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Medium ELSA-2026-18028 1 CVE

Moderate: libpng security update (Oracle Linux 9)

Published May 18, 2026 · Updated May 18, 2026

Ecosystem: Oracle Linux

Summary

[2:1.6.37-12.4]
- fix CVE-2026-33416: use-after-free via pointer aliasing in png_set_tRNS and png_set_PLTE (RHEL-161436)

Fixed packages 2

ReleasePackageFixed in
Oracle Linux · 9 libpng 2:1.6.37-12.el9_7.4
Oracle Linux · 9 libpng-devel 2:1.6.37-12.el9_7.4

Vulnerabilities 1

  • High 7.5
    CVE-2026-33416

    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…

    pnggroup libpng openjpeg2 fltk Debian Ubuntu Azure Linux Alpine Wolfi