RLSA-2026:84753

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Source

https://errata.rockylinux.org/RLSA-2026:84753

Import Source

https://storage.googleapis.com/resf-osv-data/RLSA-2026:84753.json

JSON Data

https://api.osv.dev/v1/vulns/RLSA-2026:84753

Upstream

CVE (4)

Published

2026-10-20T12:10:14Z

Modified

2026-10-20T12:15:37Z

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 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: Non-progress DoS in SHIFT_JISX0213 -&gt (CVE-2026-77117)
glibc: Non-progress DoS in EUC_JISX0213 -> UCS-4 conversion state (CVE-2026-80489)
glibc: glibc: Heap buffer overflow via attacker-controlled fopen mode string (CVE-2026-18374)
glibc: glibc DNS stub resolver: Denial of Service via long search domain in configuration (CVE-2026-8674)

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-2026:84753"
}

References

Credits

- Rocky Enterprise Software Foundation
- Red Hat

Affected packages

Rocky Linux:10 / glibc

Package

Name: glibc
Purl: pkg:rpm/rocky-linux/glibc?distro=rocky-linux-10&epoch=0

Affected ranges

Type

ECOSYSTEM

Events

Introduced

Fixed

0:2.39-145.el10_2

Database specific

Show details

{
    "yum_repository":  "BaseOS"
}

Database specific

source

"https://storage.googleapis.com/resf-osv-data/RLSA-2026:84753.json"