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: 2026-09-17 Summary: The libevent packages provide an abstract asynchronous event notification library. Security Fix(es): * libevent: Libevent: Denial of Service via malformed RPC data (CVE-2026-63383) * libevent: Libevent: Off-by-one stack buffer overflow leading to denial of service or data corruption (CVE-2026-63387) * libevent: Libevent: Memory corruption due to use-after-free (CVE-2026-63381) * libevent: Libevent: Denial of Service via integer conversion error in `evtag_unmarshal_header` (CVE-2026-63384) * libevent ev[http:](http:) Multiple HTTP Parser Bugs Enable Request Smuggling (CVE-2026-63382) * libevent: Libevent: Arbitrary code execution via heap out-of-bounds write in AF_UNIX handling (CVE-2026-63388) * libevent: Libevent: HTTP header handling bugs create risk of access control bypass. (CVE-2026-63385) * libevent: Libevent: HTTP header smuggling allows authorization bypass or cache poisoning (CVE-2026-63379) 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-2026-67910.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