Red Hat Security Advisory: libpng12 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) 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.
AI Analysis
Technical Summary
The libpng library contains a use-after-free vulnerability (CVE-2026-33416) that allows arbitrary code execution. This vulnerability arises from improper memory handling within libpng functions responsible for creating and manipulating PNG image files. Red Hat has issued security advisories RHSA-2026:18028 and RHSA-2026:18064 providing updated libpng packages for Red Hat Enterprise Linux 9 and 10 respectively, which fix this issue. The vulnerability is tracked under CWE-825 (use-after-free) and CWE-124 (buffer underwrite).
Potential Impact
Successful exploitation of this vulnerability could allow an attacker to execute arbitrary code on affected systems. The impact is rated as moderate by Red Hat Product Security. There are no known exploits in the wild at the time of this advisory.
Mitigation Recommendations
Red Hat has released official security updates for libpng in Red Hat Enterprise Linux 9 and 10 to fix this vulnerability. Users should apply the updates as described in Red Hat advisory RHSA-2026:18028 for RHEL 9 and RHSA-2026:18064 for RHEL 10. Details on applying the updates are available at https://access.redhat.com/articles/11258. No additional mitigation steps are required beyond applying the official patches.
Red Hat Security Advisory: libpng12 security update
Description
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) 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
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
The libpng library contains a use-after-free vulnerability (CVE-2026-33416) that allows arbitrary code execution. This vulnerability arises from improper memory handling within libpng functions responsible for creating and manipulating PNG image files. Red Hat has issued security advisories RHSA-2026:18028 and RHSA-2026:18064 providing updated libpng packages for Red Hat Enterprise Linux 9 and 10 respectively, which fix this issue. The vulnerability is tracked under CWE-825 (use-after-free) and CWE-124 (buffer underwrite).
Potential Impact
Successful exploitation of this vulnerability could allow an attacker to execute arbitrary code on affected systems. The impact is rated as moderate by Red Hat Product Security. There are no known exploits in the wild at the time of this advisory.
Mitigation Recommendations
Red Hat has released official security updates for libpng in Red Hat Enterprise Linux 9 and 10 to fix this vulnerability. Users should apply the updates as described in Red Hat advisory RHSA-2026:18028 for RHEL 9 and RHSA-2026:18064 for RHEL 10. Details on applying the updates are available at https://access.redhat.com/articles/11258. No additional mitigation steps are required beyond applying the official patches.
Technical Details
- Gcve Source
- db.gcve.eu
- Csaf Category
- csaf_security_advisory
- Csaf Version
- 2.0
- Publisher
- Red Hat Product Security
- Advisory Id
- RHSA-2026:20549
- Cve Count
- 1
- State
- PUBLISHED
Threat ID: 6a16097be29bf47b5064769a
Added to database: 05/26/2026, 20:58:35 UTC
Last enriched: 08/05/2026, 18:13:03 UTC
Last updated: 09/13/2026, 22:01:33 UTC
Views: 163
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