March 2026 - Announce - AlmaLinux List Archives

[Security Advisory] ALSA-2026:5931: firefox security update (Important)
by AlmaLinux Errata Notifications 30 Mar '26

30 Mar '26

Hi, You are receiving an AlmaLinux Security update email because you subscribed to receive errata notifications from AlmaLinux. AlmaLinux: 10 Type: Security Severity: Important Release date: 2026-03-30 Summary: Mozilla Firefox is an open-source web browser, designed for standards compliance, performance, and portability. Security Fix(es): * firefox: thunderbird: Use-after-free in the JavaScript Engine component (CVE-2026-4701) * firefox: thunderbird: Memory safety bugs fixed in Firefox ESR 115.34, Firefox ESR 140.9, Thunderbird ESR 140.9, Firefox 149 and Thunderbird 149 (CVE-2026-4721) * firefox: thunderbird: Privilege escalation in the Netmonitor component (CVE-2026-4717) * firefox: thunderbird: Sandbox escape due to use-after-free in the Disability Access APIs component (CVE-2026-4688) * firefox: thunderbird: Incorrect boundary conditions in the Graphics: Canvas2D component (CVE-2026-4706) * firefox: thunderbird: Incorrect boundary conditions in the Audio/Video: Web Codecs component (CVE-2026-4695) * firefox: thunderbird: Sandbox escape due to incorrect boundary conditions, integer overflow in the XPCOM component (CVE-2026-4689) * firefox: thunderbird: JIT miscompilation in the JavaScript Engine: JIT component (CVE-2026-4698) * firefox: thunderbird: Incorrect boundary conditions, uninitialized memory in the JavaScript Engine component (CVE-2026-4716) * firefox: thunderbird: Race condition, use-after-free in the Graphics: WebRender component (CVE-2026-4684) * firefox: thunderbird: Undefined behavior in the WebRTC: Signaling component (CVE-2026-4705) * firefox: thunderbird: Uninitialized memory in the Graphics: Canvas2D component (CVE-2026-4715) * firefox: thunderbird: Incorrect boundary conditions in the Graphics: Canvas2D component (CVE-2026-4685) * firefox: thunderbird: Incorrect boundary conditions in the Audio/Video component (CVE-2026-4714) * firefox: thunderbird: Incorrect boundary conditions in the Audio/Video: GMP component (CVE-2026-4709) * firefox: thunderbird: Incorrect boundary conditions in the Audio/Video component (CVE-2026-4710) * firefox: thunderbird: Information disclosure in the Widget: Cocoa component (CVE-2026-4712) * firefox: thunderbird: Incorrect boundary conditions in the Audio/Video: Web Codecs component (CVE-2026-4697) * firefox: thunderbird: Incorrect boundary conditions in the Graphics component (CVE-2026-4713) * firefox: thunderbird: Sandbox escape due to incorrect boundary conditions, integer overflow in the XPCOM component (CVE-2026-4690) * firefox: thunderbird: Use-after-free in the Widget: Cocoa component (CVE-2026-4711) * firefox: thunderbird: Incorrect boundary conditions in the Graphics: Canvas2D component (CVE-2026-4686) * firefox: thunderbird: Incorrect boundary conditions in the Graphics component (CVE-2026-4708) * firefox: thunderbird: Use-after-free in the CSS Parsing and Computation component (CVE-2026-4691) * firefox: thunderbird: Incorrect boundary conditions in the Layout: Text and Fonts component (CVE-2026-4699) * firefox: thunderbird: Use-after-free in the Layout: Text and Fonts component (CVE-2026-4696) * firefox: thunderbird: Incorrect boundary conditions in the Audio/Video: Playback component (CVE-2026-4693) * firefox: thunderbird: Undefined behavior in the WebRTC: Signaling component (CVE-2026-4718) * firefox: thunderbird: JIT miscompilation in the JavaScript Engine component (CVE-2026-4702) * firefox: thunderbird: Incorrect boundary conditions in the Graphics: Text component (CVE-2026-4719) * firefox: thunderbird: Incorrect boundary conditions, integer overflow in the Graphics component (CVE-2026-4694) * firefox: thunderbird: Sandbox escape in the Responsive Design Mode component (CVE-2026-4692) * firefox: thunderbird: Memory safety bugs fixed in Firefox ESR 140.9, Thunderbird ESR 140.9, Firefox 149 and Thunderbird 149 (CVE-2026-4720) * firefox: thunderbird: Mitigation bypass in the Networking: HTTP component (CVE-2026-4700) * firefox: thunderbird: Incorrect boundary conditions in the Graphics: Canvas2D component (CVE-2026-4707) * firefox: thunderbird: Denial-of-service in the WebRTC: Signaling component (CVE-2026-4704) * firefox: thunderbird: Sandbox escape due to incorrect boundary conditions in the Telemetry component (CVE-2026-4687) For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section. Full details, updated packages, references, and other related information: https://errata.almalinux.org/10/ALSA-2026-5931.html This message is automatically generated, please don’t reply. For further questions, please, contact us via the AlmaLinux community chat: https://chat.almalinux.org/. Want to change your notification settings? Sign in and manage mailing lists on https://lists.almalinux.org. Kind regards, AlmaLinux Team

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[Security Advisory] ALSA-2026:5930: firefox security update (Important)
by AlmaLinux Errata Notifications 30 Mar '26

30 Mar '26

Hi, You are receiving an AlmaLinux Security update email because you subscribed to receive errata notifications from AlmaLinux. AlmaLinux: 9 Type: Security Severity: Important Release date: 2026-03-30 Summary: Mozilla Firefox is an open-source web browser, designed for standards compliance, performance, and portability. Security Fix(es): * firefox: thunderbird: Use-after-free in the JavaScript Engine component (CVE-2026-4701) * firefox: thunderbird: Memory safety bugs fixed in Firefox ESR 115.34, Firefox ESR 140.9, Thunderbird ESR 140.9, Firefox 149 and Thunderbird 149 (CVE-2026-4721) * firefox: thunderbird: Privilege escalation in the Netmonitor component (CVE-2026-4717) * firefox: thunderbird: Sandbox escape due to use-after-free in the Disability Access APIs component (CVE-2026-4688) * firefox: thunderbird: Incorrect boundary conditions in the Graphics: Canvas2D component (CVE-2026-4706) * firefox: thunderbird: Incorrect boundary conditions in the Audio/Video: Web Codecs component (CVE-2026-4695) * firefox: thunderbird: Sandbox escape due to incorrect boundary conditions, integer overflow in the XPCOM component (CVE-2026-4689) * firefox: thunderbird: JIT miscompilation in the JavaScript Engine: JIT component (CVE-2026-4698) * firefox: thunderbird: Incorrect boundary conditions, uninitialized memory in the JavaScript Engine component (CVE-2026-4716) * firefox: thunderbird: Race condition, use-after-free in the Graphics: WebRender component (CVE-2026-4684) * firefox: thunderbird: Undefined behavior in the WebRTC: Signaling component (CVE-2026-4705) * firefox: thunderbird: Uninitialized memory in the Graphics: Canvas2D component (CVE-2026-4715) * firefox: thunderbird: Incorrect boundary conditions in the Graphics: Canvas2D component (CVE-2026-4685) * firefox: thunderbird: Incorrect boundary conditions in the Audio/Video component (CVE-2026-4714) * firefox: thunderbird: Incorrect boundary conditions in the Audio/Video: GMP component (CVE-2026-4709) * firefox: thunderbird: Incorrect boundary conditions in the Audio/Video component (CVE-2026-4710) * firefox: thunderbird: Information disclosure in the Widget: Cocoa component (CVE-2026-4712) * firefox: thunderbird: Incorrect boundary conditions in the Audio/Video: Web Codecs component (CVE-2026-4697) * firefox: thunderbird: Incorrect boundary conditions in the Graphics component (CVE-2026-4713) * firefox: thunderbird: Sandbox escape due to incorrect boundary conditions, integer overflow in the XPCOM component (CVE-2026-4690) * firefox: thunderbird: Use-after-free in the Widget: Cocoa component (CVE-2026-4711) * firefox: thunderbird: Incorrect boundary conditions in the Graphics: Canvas2D component (CVE-2026-4686) * firefox: thunderbird: Incorrect boundary conditions in the Graphics component (CVE-2026-4708) * firefox: thunderbird: Use-after-free in the CSS Parsing and Computation component (CVE-2026-4691) * firefox: thunderbird: Incorrect boundary conditions in the Layout: Text and Fonts component (CVE-2026-4699) * firefox: thunderbird: Use-after-free in the Layout: Text and Fonts component (CVE-2026-4696) * firefox: thunderbird: Incorrect boundary conditions in the Audio/Video: Playback component (CVE-2026-4693) * firefox: thunderbird: Undefined behavior in the WebRTC: Signaling component (CVE-2026-4718) * firefox: thunderbird: JIT miscompilation in the JavaScript Engine component (CVE-2026-4702) * firefox: thunderbird: Incorrect boundary conditions in the Graphics: Text component (CVE-2026-4719) * firefox: thunderbird: Incorrect boundary conditions, integer overflow in the Graphics component (CVE-2026-4694) * firefox: thunderbird: Sandbox escape in the Responsive Design Mode component (CVE-2026-4692) * firefox: thunderbird: Memory safety bugs fixed in Firefox ESR 140.9, Thunderbird ESR 140.9, Firefox 149 and Thunderbird 149 (CVE-2026-4720) * firefox: thunderbird: Mitigation bypass in the Networking: HTTP component (CVE-2026-4700) * firefox: thunderbird: Incorrect boundary conditions in the Graphics: Canvas2D component (CVE-2026-4707) * firefox: thunderbird: Denial-of-service in the WebRTC: Signaling component (CVE-2026-4704) * firefox: thunderbird: Sandbox escape due to incorrect boundary conditions in the Telemetry component (CVE-2026-4687) For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section. Full details, updated packages, references, and other related information: https://errata.almalinux.org/9/ALSA-2026-5930.html This message is automatically generated, please don’t reply. For further questions, please, contact us via the AlmaLinux community chat: https://chat.almalinux.org/. Want to change your notification settings? Sign in and manage mailing lists on https://lists.almalinux.org. Kind regards, AlmaLinux Team

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[Security Advisory] ALSA-2026:6037: kernel security update (Moderate)
by AlmaLinux Errata Notifications 30 Mar '26

30 Mar '26

Hi, You are receiving an AlmaLinux Security update email because you subscribed to receive errata notifications from AlmaLinux. AlmaLinux: 8 Type: Security Severity: Moderate Release date: 2026-03-30 Summary: The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fix(es): * kernel: Linux kernel: Use-After-Free vulnerability in ATM subsystem (CVE-2025-38180) * kernel: macvlan: fix error recovery in macvlan_common_newlink() (CVE-2026-23209) * kernel: net/sched: cls_u32: use skb_header_pointer_careful() (CVE-2026-23204) For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section. Full details, updated packages, references, and other related information: https://errata.almalinux.org/8/ALSA-2026-6037.html This message is automatically generated, please don’t reply. For further questions, please, contact us via the AlmaLinux community chat: https://chat.almalinux.org/. Want to change your notification settings? Sign in and manage mailing lists on https://lists.almalinux.org. Kind regards, AlmaLinux Team

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[Security Advisory] ALSA-2026:6036: kernel-rt security update (Moderate)
by AlmaLinux Errata Notifications 30 Mar '26

30 Mar '26

Hi, You are receiving an AlmaLinux Security update email because you subscribed to receive errata notifications from AlmaLinux. AlmaLinux: 8 Type: Security Severity: Moderate Release date: 2026-03-30 Summary: The kernel-rt packages provide the Real Time Linux Kernel, which enables fine-tuning for systems with extremely high determinism requirements. Security Fix(es): * kernel: Linux kernel: Use-After-Free vulnerability in ATM subsystem (CVE-2025-38180) * kernel: macvlan: fix error recovery in macvlan_common_newlink() (CVE-2026-23209) * kernel: net/sched: cls_u32: use skb_header_pointer_careful() (CVE-2026-23204) For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section. Full details, updated packages, references, and other related information: https://errata.almalinux.org/8/ALSA-2026-6036.html This message is automatically generated, please don’t reply. For further questions, please, contact us via the AlmaLinux community chat: https://chat.almalinux.org/. Want to change your notification settings? Sign in and manage mailing lists on https://lists.almalinux.org. Kind regards, AlmaLinux Team

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[Security Advisory] ALSA-2026:5932: firefox security update (Important)
by AlmaLinux Errata Notifications 30 Mar '26

30 Mar '26

Hi, You are receiving an AlmaLinux Security update email because you subscribed to receive errata notifications from AlmaLinux. AlmaLinux: 8 Type: Security Severity: Important Release date: 2026-03-30 Summary: Mozilla Firefox is an open-source web browser, designed for standards compliance, performance, and portability. Security Fix(es): * firefox: thunderbird: Use-after-free in the JavaScript Engine component (CVE-2026-4701) * firefox: thunderbird: Memory safety bugs fixed in Firefox ESR 115.34, Firefox ESR 140.9, Thunderbird ESR 140.9, Firefox 149 and Thunderbird 149 (CVE-2026-4721) * firefox: thunderbird: Privilege escalation in the Netmonitor component (CVE-2026-4717) * firefox: thunderbird: Sandbox escape due to use-after-free in the Disability Access APIs component (CVE-2026-4688) * firefox: thunderbird: Incorrect boundary conditions in the Graphics: Canvas2D component (CVE-2026-4706) * firefox: thunderbird: Incorrect boundary conditions in the Audio/Video: Web Codecs component (CVE-2026-4695) * firefox: thunderbird: Sandbox escape due to incorrect boundary conditions, integer overflow in the XPCOM component (CVE-2026-4689) * firefox: thunderbird: JIT miscompilation in the JavaScript Engine: JIT component (CVE-2026-4698) * firefox: thunderbird: Incorrect boundary conditions, uninitialized memory in the JavaScript Engine component (CVE-2026-4716) * firefox: thunderbird: Race condition, use-after-free in the Graphics: WebRender component (CVE-2026-4684) * firefox: thunderbird: Undefined behavior in the WebRTC: Signaling component (CVE-2026-4705) * firefox: thunderbird: Uninitialized memory in the Graphics: Canvas2D component (CVE-2026-4715) * firefox: thunderbird: Incorrect boundary conditions in the Graphics: Canvas2D component (CVE-2026-4685) * firefox: thunderbird: Incorrect boundary conditions in the Audio/Video component (CVE-2026-4714) * firefox: thunderbird: Incorrect boundary conditions in the Audio/Video: GMP component (CVE-2026-4709) * firefox: thunderbird: Incorrect boundary conditions in the Audio/Video component (CVE-2026-4710) * firefox: thunderbird: Information disclosure in the Widget: Cocoa component (CVE-2026-4712) * firefox: thunderbird: Incorrect boundary conditions in the Audio/Video: Web Codecs component (CVE-2026-4697) * firefox: thunderbird: Incorrect boundary conditions in the Graphics component (CVE-2026-4713) * firefox: thunderbird: Sandbox escape due to incorrect boundary conditions, integer overflow in the XPCOM component (CVE-2026-4690) * firefox: thunderbird: Use-after-free in the Widget: Cocoa component (CVE-2026-4711) * firefox: thunderbird: Incorrect boundary conditions in the Graphics: Canvas2D component (CVE-2026-4686) * firefox: thunderbird: Incorrect boundary conditions in the Graphics component (CVE-2026-4708) * firefox: thunderbird: Use-after-free in the CSS Parsing and Computation component (CVE-2026-4691) * firefox: thunderbird: Incorrect boundary conditions in the Layout: Text and Fonts component (CVE-2026-4699) * firefox: thunderbird: Use-after-free in the Layout: Text and Fonts component (CVE-2026-4696) * firefox: thunderbird: Incorrect boundary conditions in the Audio/Video: Playback component (CVE-2026-4693) * firefox: thunderbird: Undefined behavior in the WebRTC: Signaling component (CVE-2026-4718) * firefox: thunderbird: JIT miscompilation in the JavaScript Engine component (CVE-2026-4702) * firefox: thunderbird: Incorrect boundary conditions in the Graphics: Text component (CVE-2026-4719) * firefox: thunderbird: Incorrect boundary conditions, integer overflow in the Graphics component (CVE-2026-4694) * firefox: thunderbird: Sandbox escape in the Responsive Design Mode component (CVE-2026-4692) * firefox: thunderbird: Memory safety bugs fixed in Firefox ESR 140.9, Thunderbird ESR 140.9, Firefox 149 and Thunderbird 149 (CVE-2026-4720) * firefox: thunderbird: Mitigation bypass in the Networking: HTTP component (CVE-2026-4700) * firefox: thunderbird: Incorrect boundary conditions in the Graphics: Canvas2D component (CVE-2026-4707) * firefox: thunderbird: Denial-of-service in the WebRTC: Signaling component (CVE-2026-4704) * firefox: thunderbird: Sandbox escape due to incorrect boundary conditions in the Telemetry component (CVE-2026-4687) For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section. Full details, updated packages, references, and other related information: https://errata.almalinux.org/8/ALSA-2026-5932.html This message is automatically generated, please don’t reply. For further questions, please, contact us via the AlmaLinux community chat: https://chat.almalinux.org/. Want to change your notification settings? Sign in and manage mailing lists on https://lists.almalinux.org. Kind regards, AlmaLinux Team

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[Security Advisory] ALSA-2026:5942: golang security update (Important)
by AlmaLinux Errata Notifications 27 Mar '26

27 Mar '26

Hi, You are receiving an AlmaLinux Security update email because you subscribed to receive errata notifications from AlmaLinux. AlmaLinux: 9 Type: Security Severity: Important Release date: 2026-03-27 Summary: The golang packages provide the Go programming language compiler. Security Fix(es): * cmd/go: cmd/go: Arbitrary file write via malicious pkg-config directive (CVE-2025-61731) * net/url: Incorrect parsing of IPv6 host literals in net/url (CVE-2026-25679) For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section. Full details, updated packages, references, and other related information: https://errata.almalinux.org/9/ALSA-2026-5942.html This message is automatically generated, please don’t reply. For further questions, please, contact us via the AlmaLinux community chat: https://chat.almalinux.org/. Want to change your notification settings? Sign in and manage mailing lists on https://lists.almalinux.org. Kind regards, AlmaLinux Team

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[Security Advisory] ALSA-2026:5913: ncurses security update (Moderate)
by AlmaLinux Errata Notifications 27 Mar '26

27 Mar '26

Hi, You are receiving an AlmaLinux Security update email because you subscribed to receive errata notifications from AlmaLinux. AlmaLinux: 10 Type: Security Severity: Moderate Release date: 2026-03-27 Summary: The ncurses (new curses) library routines are a terminal-independent method of updating character screens with reasonable optimization. The ncurses packages contain support utilities including a terminfo compiler tic, a decompiler infocmp, clear, tput, tset, and a termcap conversion tool captoinfo. Security Fix(es): * ncurses: ncurses: Buffer overflow vulnerability may lead to arbitrary code execution. (CVE-2025-69720) For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section. Full details, updated packages, references, and other related information: https://errata.almalinux.org/10/ALSA-2026-5913.html This message is automatically generated, please don’t reply. For further questions, please, contact us via the AlmaLinux community chat: https://chat.almalinux.org/. Want to change your notification settings? Sign in and manage mailing lists on https://lists.almalinux.org. Kind regards, AlmaLinux Team

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[Security Advisory] ALSA-2026:5939: freerdp security update (Important)
by AlmaLinux Errata Notifications 27 Mar '26

27 Mar '26

Hi, You are receiving an AlmaLinux Security update email because you subscribed to receive errata notifications from AlmaLinux. AlmaLinux: 10 Type: Security Severity: Important Release date: 2026-03-27 Summary: FreeRDP is a free implementation of the Remote Desktop Protocol (RDP), released under the Apache license. The xfreerdp client can connect to RDP servers such as Microsoft Windows machines, xrdp, and VirtualBox. Security Fix(es): * freerdp: FreeRDP: Arbitrary code execution via heap out-of-bounds write in RLE planar decode path (CVE-2026-26965) * freerdp: FreeRDP: Arbitrary code execution via heap buffer overflow in GDI surface pipeline (CVE-2026-26955) For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section. Full details, updated packages, references, and other related information: https://errata.almalinux.org/10/ALSA-2026-5939.html This message is automatically generated, please don’t reply. For further questions, please, contact us via the AlmaLinux community chat: https://chat.almalinux.org/. Want to change your notification settings? Sign in and manage mailing lists on https://lists.almalinux.org. Kind regards, AlmaLinux Team

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[Security Advisory] ALSA-2026:5941: golang security update (Important)
by AlmaLinux Errata Notifications 27 Mar '26

27 Mar '26

Hi, You are receiving an AlmaLinux Security update email because you subscribed to receive errata notifications from AlmaLinux. AlmaLinux: 10 Type: Security Severity: Important Release date: 2026-03-27 Summary: The golang packages provide the Go programming language compiler. Security Fix(es): * cmd/go: cmd/go: Arbitrary file write via malicious pkg-config directive (CVE-2025-61731) * net/url: Incorrect parsing of IPv6 host literals in net/url (CVE-2026-25679) For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section. Full details, updated packages, references, and other related information: https://errata.almalinux.org/10/ALSA-2026-5941.html This message is automatically generated, please don’t reply. For further questions, please, contact us via the AlmaLinux community chat: https://chat.almalinux.org/. Want to change your notification settings? Sign in and manage mailing lists on https://lists.almalinux.org. Kind regards, AlmaLinux Team

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[Security Advisory] ALSA-2026:5599: nginx security update (Moderate)
by AlmaLinux Errata Notifications 26 Mar '26

26 Mar '26

Hi, You are receiving an AlmaLinux Security update email because you subscribed to receive errata notifications from AlmaLinux. AlmaLinux: 9 Type: Security Severity: Moderate Release date: 2026-03-26 Summary: nginx is a web and proxy server supporting HTTP and other protocols, with a focus on high concurrency, performance, and low memory usage. Security Fix(es): * nginx: NGINX: Data injection via man-in-the-middle attack on TLS proxied connections (CVE-2026-1642) For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section. Full details, updated packages, references, and other related information: https://errata.almalinux.org/9/ALSA-2026-5599.html This message is automatically generated, please don’t reply. For further questions, please, contact us via the AlmaLinux community chat: https://chat.almalinux.org/. Want to change your notification settings? Sign in and manage mailing lists on https://lists.almalinux.org. Kind regards, AlmaLinux Team

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