RLSA-2026:79281

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Source
https://errata.rockylinux.org/RLSA-2026:79281
Import Source
https://storage.googleapis.com/resf-osv-data/RLSA-2026:79281.json
JSON Data
https://api.osv.dev/v1/vulns/RLSA-2026:79281
Upstream
CVE (6)
Published
2026-10-10T12:04:26Z
Modified
2026-10-10T12:30:02Z
Severity
  • 5.9 (Medium) CVSS_V3 - CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H CVSS Calculator
Summary
Moderate: glibc security, bug fix, and enhancement 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: Glibc: Denial of Service via stack exhaustion during tilde expansion (CVE-2026-6791)

  • glibc: glibc: Process abort due to invalid memory in wordexp (CVE-2026-6368)

  • glibc: Fix out-of-bounds array write in tdelete (CVE-2026-19542)

  • glibc: Non-progress DoS in SHIFT_JISX0213 -&gt (CVE-2026-77117)

  • glibc: Non-progress DoS in SHIFT_JISX0213 -> UCS-4 conversion state (CVE-2026-80489)

  • glibc: glibc: Heap buffer overflow via attacker-controlled fopen mode string (CVE-2026-18374)

Bug Fix(es) and Enhancement(s):

  • glibc: Stop shipping glibc32-debuginfo package (in debug channels) [rhel-9] (JIRA:Rocky Linux-219516)

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-2026:79281"
}
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
0:2.34-283.el9_8
Database specific
Show details 
{
    "yum_repository": "BaseOS"
}

Database specific

source 
"https://storage.googleapis.com/resf-osv-data/RLSA-2026:79281.json"