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Medium ALSA-2026:26348 1 CVE

Moderate: libpng12 security update

Published Jun 16, 2026 · Updated Oct 29, 2026

Summary

The libpng12 package provides libpng 1.2, which is the previous version of the libpng library for manipulating PNG (Portable Network Graphics) image format files. This version should be used in case that it is not possible to use the current version of libpng.

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.

Fixed packages 1

ReleasePackageFixed in
AlmaLinux · 8 libpng12 1.2.57-7.el8_10

Vulnerabilities 1

  • High 7.5

    LIBPNG has use-after-free via pointer aliasing in `png_set_tRNS` and `png_set_PLTE`

    LIBPNG is a reference library for use in applications that read, create, and manipulate PNG (Portable Network Graphics) raster image files. In versions 1.2.1 through 1.6.55, `png_set_tRNS` and `png_set_PLTE` each alias a heap-allocated buffer between `png_str…

References

  • report
    https://access.redhat.com/security/cve/CVE-2026-33416
  • report
    https://bugzilla.redhat.com/2451805
  • advisory
    https://errata.almalinux.org/8/ALSA-2026-26348.html