What is RHSA-2026:28255?

RHSA-2026:28255 is a security advisory published by Red Hat Product Security with Medium severity. Red Hat Security Advisory: libpng security update

Which CVE IDs does RHSA-2026:28255 cover?

RHSA-2026:28255 covers the following CVE IDs: CVE-2026-33416, CVE-2026-33636. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of RHSA-2026:28255?

RHSA-2026:28255 has a CVSS v3 base score of 7.6, published by Red Hat Product Security.

RHSA-2026:28255MediumCVSS 7.6

Red Hat Security Advisory: libpng security update

Vendor

Red Hat Product Security

Published

June 23, 2026

Last Modified

June 25, 2026

🔗 CVE IDs covered (2)

CVE-2026-33416 →CVE-2026-33636 →

📋 Description

CVE-2026-33416 — libpng: libpng: Arbitrary code execution due to use-after-free vulnerability CVE-2026-33636 — libpng: libpng: Information disclosure and denial of service via out-of-bounds read/write in Neon palette expansion

🔗 References (5)

selfhttps://access.redhat.com/errata/RHSA-2026:28255
externalhttps://access.redhat.com/security/updates/classification/#moderate
externalhttps://bugzilla.redhat.com/show_bug.cgi?id=2451805
externalhttps://bugzilla.redhat.com/show_bug.cgi?id=2451819
selfhttps://security.access.redhat.com/data/csaf/v2/advisories/2026/rhsa-2026_28255.json