RLSA-2026:95618

Source
https://errata.rockylinux.org/RLSA-2026:95618
Import Source
https://storage.googleapis.com/resf-osv-data/RLSA-2026:95618.json
JSON Data
https://api.osv.dev/v1/vulns/RLSA-2026:95618
Upstream
CVE (4)
Published
2026-11-06T12:04:35Z
Modified
2026-11-06T12:30:03Z
Severity
  • 7.0 (High) CVSS_V3 - CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H CVSS Calculator
Summary
Moderate: glibc security update
Details

The glibc packages provide the standard C libraries (libc), POSIX thread libraries (libpthread), standard math libraries (libm), and the name service cache daemon (nscd) used by multiple programs on the system. Without these libraries, the Linux system cannot function correctly.

Security Fix(es):

  • glibc: nscd stack overflow leads to degraded DNS resolution (CVE-2026-89092)

  • glibc: glibc DNS stub resolver: Denial of Service via long search domain in configuration (CVE-2026-8674)

  • glibc: glibc: Privilege escalation and arbitrary code execution via TOCTOU race condition in dynamic loader (CVE-2026-86805)

  • glibc: glibc: Local attacker can cause denial of service and information disclosure via stack-based buffer overflow. (CVE-2026-95818)

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.

Database specific
{
    "license": "CC-BY-4.0",
    "license_url": "https://creativecommons.org/licenses/by/4.0/",
    "source_advisory": "RHSA-2026:95618"
}
References
Credits
    • Rocky Enterprise Software Foundation
    • Red Hat

Affected packages

Rocky Linux:9 / glibc

Package

Name
glibc
Purl
pkg:rpm/rocky-linux/glibc?distro=rocky-linux-9&epoch=0

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
0:2.34-284.el9_8.4
Database specific
Show details
{
    "yum_repository": "BaseOS"
}

Database specific

source
"https://storage.googleapis.com/resf-osv-data/RLSA-2026:95618.json"