Alerts This Week
Warning Icon 1 905
Alerts This Week
Warning Icon 1 905

Mageia 9 libpng Important Heap Disclosure CVE-2026-40930

mageia
Calendar Grey June 12, 2026
Dist Mageia Esm H88
Security update for libpng addressing use-after-free and heap disclosure risks in Mageia 9 with CVE-2026-40930.
Security update

Summary

Description: LIBPNG has a use-after-free in png_set_PLTE, png_set_tRNS and png_set_hIST leading to corrupted chunk data and potential heap information disclosure. (CVE-2026-34757) Chunk smuggling in push-mode APNG parser via unconsumed chunk body. (CVE-2026-40930)

References

- https://bugs.mageia.org/show_bug.cgi?id=35542

- https://www.openwall.com/lists/oss-security/2026/04/09/2

- https://lists.debian.org/debian-security-announce/2026/msg00174.html

- https://www.openwall.com/lists/oss-security/2026/05/15/21

- https://github.com/pnggroup/libpng/security/advisories/GHSA-c4v6-gxrq-6g2x

- https://www.cve.org/CVERecord?id=CVE-2026-40930

Topics%20covered

Topics Covered

security advisory important libpng heap disclosure Mageia APNG parser

Resolution

SRPMS

- 9/core/libpng-1.6.38-1.6.mga9

Severity
important
Lowest
Low
Medium
High
Critical

Publication date: 13 Jun 2026
URL: https://advisories.mageia.org/MGASA-2026-0205.html
Type: security
CVE: CVE-2026-40930

Topics%20covered

Topics Covered

security advisory important libpng heap disclosure Mageia APNG parser

Get the latest News and Insights

Get the latest Linux and open source security news straight to your inbox.

Your message here