June 2026 - Announce - AlmaLinux List Archives

[Security Advisory] ALSA-2026:29874: nginx security update (Important)
by AlmaLinux Errata Notifications 26 Jun '26

26 Jun '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: 2026-06-26 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: ngx_http_rewrite_module: code execution and denial of service (CVE-2026-9256) 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-2026-29874.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-2026:28256: opencryptoki security update (Moderate)
by AlmaLinux Errata Notifications 26 Jun '26

26 Jun '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: 2026-06-26 Summary: The opencryptoki packages contain version 2.11 of the PKCS#11 API, implemented for IBM Cryptocards, such as IBM 4764 and 4765 crypto cards. These packages includes support for the IBM 4758 Cryptographic CoProcessor (with the PKCS#11 firmware loaded), the IBM eServer Cryptographic Accelerator (FC 4960 on IBM eServer System p), the IBM Crypto Express2 (FC 0863 or FC 0870 on IBM System z), and the IBM CP Assist for Cryptographic Function (FC 3863 on IBM System z). The opencryptoki packages also bring a software token implementation that can be used without any cryptographic hardware. These packages contain the Slot Daemon (pkcsslotd) and general utilities. Security Fix(es): * openCryptoki: openCryptoki: Information disclosure and Denial of Service via malformed BER-encoded cryptographic objects (CVE-2026-40253) 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-2026-28256.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-2026:28244: libpng15 security update (Moderate)
by AlmaLinux Errata Notifications 26 Jun '26

26 Jun '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: 2026-06-26 Summary: The libpng15 package provides libpng 1.5, an older version of the libpng. library for manipulating PNG (Portable Network Graphics) image format files. This version should be used only if you are unable to use the current version of libpng. Security Fix(es): * libpng: libpng: Arbitrary code execution due to use-after-free vulnerability (CVE-2026-33416) 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-2026-28244.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-2026:29940: thunderbird security update (Important)
by AlmaLinux Errata Notifications 26 Jun '26

26 Jun '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: 2026-06-26 Summary: Mozilla Thunderbird is a standalone mail and newsgroup client. Security Fix(es): * firefox: thunderbird: Sandbox escape in the DOM: Workers component (CVE-2026-12294) * firefox: thunderbird: Information disclosure, sandbox escape in the Security: Process Sandboxing component (CVE-2026-12313) * firefox: thunderbird: Information disclosure, sandbox escape in the Security: Process Sandboxing component (CVE-2026-12311) * firefox: thunderbird: Memory safety bug fixed in Thunderbird ESR 140.12 (CVE-2026-12290) * firefox: thunderbird: Memory safety bugs fixed in Firefox ESR 140.12, Thunderbird ESR 140.12, Firefox 152 and Thunderbird 152 (CVE-2026-12327) * firefox: thunderbird: JIT miscompilation in the DOM: Core & HTML component (CVE-2026-12299) * firefox: thunderbird: Memory safety bug fixed in Thunderbird ESR 140.12 (CVE-2026-12329) * firefox: thunderbird: Memory safety bug fixed in Thunderbird ESR 140.12 (CVE-2026-12312) * firefox: thunderbird: Mitigation bypass in the DOM: Security component (CVE-2026-12302) * firefox: thunderbird: Memory safety bugs fixed in Firefox ESR 115.37, Firefox ESR 140.12, Thunderbird ESR 140.12, Firefox 152 and Thunderbird 152 (CVE-2026-12328) * firefox: thunderbird: Incorrect boundary conditions in the Internationalization component (CVE-2026-12330) * firefox: thunderbird: Memory safety bug fixed in Thunderbird ESR 140.12 (CVE-2026-12314) * firefox: thunderbird: Memory safety bug fixed in Thunderbird ESR 140.12 (CVE-2026-12309) * firefox: thunderbird: Memory safety bug fixed in Thunderbird ESR 140.12 (CVE-2026-12310) * firefox: thunderbird: Denial-of-service in the Graphics: ImageLib component (CVE-2026-12325) * firefox: thunderbird: Sandbox escape in the DOM: Navigation component (CVE-2026-12295) * firefox: thunderbird: Privilege escalation in the Graphics: WebRender component (CVE-2026-12289) * firefox: thunderbird: Mitigation bypass in the DOM: Security component (CVE-2026-12315) * firefox: thunderbird: Sandbox escape in the Security: Process Sandboxing component (CVE-2026-12296) * firefox: thunderbird: Memory safety bug fixed in Thunderbird ESR 140.12 (CVE-2026-12306) * firefox: thunderbird: Memory safety bug fixed in Thunderbird ESR 140.12 (CVE-2026-12307) * firefox: thunderbird: Sandbox escape due to incorrect boundary conditions in the Networking component (CVE-2026-12297) * firefox: thunderbird: Memory safety bug fixed in Thunderbird ESR 140.12 (CVE-2026-12305) * firefox: thunderbird: Incorrect boundary conditions in the Web Audio component (CVE-2026-12292) * firefox: thunderbird: Memory safety bug fixed in Thunderbird ESR 140.12 (CVE-2026-12308) * firefox: thunderbird: Incorrect boundary conditions in the Graphics: CanvasWebGL component (CVE-2026-12324) * firefox: thunderbird: Same-origin policy bypass in the Networking: Cookies component (CVE-2026-12304) * firefox: thunderbird: Use-after-free in the Networking: HTTP component (CVE-2026-12291) * firefox: thunderbird: Memory safety bug fixed in Firefox ESR 140.12 (CVE-2026-12298) 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-2026-29940.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-2026:29898: libpng security update (Moderate)
by AlmaLinux Errata Notifications 26 Jun '26

26 Jun '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: 2026-06-26 Summary: The libpng packages contain a library of functions for creating and manipulating Portable Network Graphics (PNG) image format files. Security Fix(es): * libpng: libpng: Arbitrary code execution due to use-after-free vulnerability (CVE-2026-33416) 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-2026-29898.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-2026:29035: skopeo security update (Important)
by AlmaLinux Errata Notifications 25 Jun '26

25 Jun '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: 2026-06-25 Summary: The skopeo command lets you inspect images from container image registries, get images and image layers, and use signatures to create and verify files. Security Fix(es): * net/url: Incorrect parsing of IPv6 host literals in net/url (CVE-2026-25679) * crypto/x509: golang: Go crypto/x509: Denial of Service via inefficient certificate chain validation (CVE-2026-32281) * crypto/tls: golang: Go crypto/tls: Denial of Service via multiple TLS 1.3 key update messages (CVE-2026-32283) * crypto/x509: crypto/tls: golang: Go: Denial of Service vulnerability in certificate chain building (CVE-2026-32280) 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-2026-29035.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-2026:29195: buildah security update (Important)
by AlmaLinux Errata Notifications 25 Jun '26

25 Jun '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: 2026-06-25 Summary: The buildah package provides a tool for facilitating building OCI container images. Among other things, buildah enables you to: Create a working container, either from scratch or using an image as a starting point; Create an image, either from a working container or using the instructions in a Dockerfile; Build both Docker and OCI images. Security Fix(es): * net/url: Incorrect parsing of IPv6 host literals in net/url (CVE-2026-25679) * crypto/x509: golang: Go crypto/x509: Denial of Service via inefficient certificate chain validation (CVE-2026-32281) * crypto/tls: golang: Go crypto/tls: Denial of Service via multiple TLS 1.3 key update messages (CVE-2026-32283) * crypto/x509: crypto/tls: golang: Go: Denial of Service vulnerability in certificate chain building (CVE-2026-32280) 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-2026-29195.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-2026:29151: nginx:1.26 security update (Important)
by AlmaLinux Errata Notifications 25 Jun '26

25 Jun '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: 2026-06-25 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: ngx_http_rewrite_module: code execution and denial of service (CVE-2026-9256) 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-2026-29151.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-2026:26323: tomcat security update (Important)
by AlmaLinux Errata Notifications 25 Jun '26

25 Jun '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: 2026-06-25 Summary: Apache Tomcat is a servlet container for the Java Servlet and JavaServer Pages (JSP) technologies. Security Fix(es): * tomcat: Apache Tomcat: Certificate revocation bypass due to improper OCSP response validation (CVE-2026-24734) 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-2026-26323.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-2026:28255: libpng security update (Moderate)
by AlmaLinux Errata Notifications 25 Jun '26

25 Jun '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: 2026-06-25 Summary: The libpng packages contain a library of functions for creating and manipulating Portable Network Graphics (PNG) image format files. Security Fix(es): * libpng: libpng: Arbitrary code execution due to use-after-free vulnerability (CVE-2026-33416) * libpng: libpng: Information disclosure and denial of service via out-of-bounds read/write in Neon palette expansion (CVE-2026-33636) 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-2026-28255.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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