🛡️ ALSA-2026:28233 — libpng
Description
Moderate: libpng security update
The libpng packages contain a library of functions for creating and manipulating Portable Network Graphics (PNG) image format files.
Security Fix(es):
- libpng: libpng: Arbitrary code execution due to use-after-free vulnerability (CVE-2026-33416)
- libpng: libpng: Information disclosure and denial of service via out-of-bounds read/write in Neon palette expansion (CVE-2026-33636)
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.
Affected software
ALSA-2026:28233 is recorded against 2 packages.
- libpng (fixed in 2:1.6.40-11.el10_2.1)
- libpng-devel (fixed in 2:1.6.40-11.el10_2.1)
Timeline and source
Published on 23 June 2026 and last revised on 24 June 2026. No public exploit is currently recorded for this entry. Record sourced from OSV.
References
access.redhat.com (Advisory)
access.redhat.com (Report)
access.redhat.com (Report)
bugzilla.redhat.com (Report)
bugzilla.redhat.com (Report)
errata.almalinux.org (Advisory)
Details
Affected Packages
| Software | From version | Fixed in |
|---|---|---|
| libpng | — | 2:1.6.40-11.el10_2.1 |
| libpng-devel | — | 2:1.6.40-11.el10_2.1 |
References
Similar Threats
- Unknown ALPINE-CVE-2026-40930
- Unknown ALSA-2026:18028
- Unknown ALSA-2026:18064
- Unknown ALSA-2026:14790
- Unknown ALSA-2026:14791
More ALSA 2026 advisories
Browse all of ALSA 2026 in the advisory index.
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