What is RHSA-2026:42694?

RHSA-2026:42694 is a security advisory published by Red Hat Product Security with Medium severity. Red Hat Security Advisory: glibc security update

Which CVE IDs does RHSA-2026:42694 cover?

RHSA-2026:42694 covers the following CVE IDs: CVE-2026-5435, CVE-2026-5928, CVE-2026-6238. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of RHSA-2026:42694?

RHSA-2026:42694 has a CVSS v3 base score of 6.5, published by Red Hat Product Security.

RHSA-2026:42694MediumCVSS 6.5

Red Hat Security Advisory: glibc security update

Vendor

Red Hat Product Security

Published

July 21, 2026

Last Modified

July 26, 2026

🔗 CVE IDs covered (3)

CVE-2026-5435 →CVE-2026-5928 →CVE-2026-6238 →

📋 Description

CVE-2026-5435 — glibc: glibc: Out-of-bounds write via TSIG record processing CVE-2026-5928 — glibc: glibc: Information disclosure or denial of service via ungetwc function with specific wide character encodings CVE-2026-6238 — glibc: glibc: Application crash or uninitialized memory read via crafted DNS response

🔗 References (6)

selfhttps://access.redhat.com/errata/RHSA-2026:42694
externalhttps://access.redhat.com/security/updates/classification/#moderate
externalhttps://bugzilla.redhat.com/show_bug.cgi?id=2459854
externalhttps://bugzilla.redhat.com/show_bug.cgi?id=2463465
externalhttps://bugzilla.redhat.com/show_bug.cgi?id=2463539
selfhttps://security.access.redhat.com/data/csaf/v2/advisories/2026/rhsa-2026_42694.json