| Name | CVE-2026-22695 |
| Description | LIBPNG is a reference library for use in applications that read, create, and manipulate PNG (Portable Network Graphics) raster image files. From 1.6.51 to 1.6.53, there is a heap buffer over-read in the libpng simplified API function png_image_finish_read when processing interlaced 16-bit PNGs with 8-bit output format and non-minimal row stride. This is a regression introduced by the fix for CVE-2025-65018. This vulnerability is fixed in 1.6.54. |
| Source | CVE (at NVD; CERT, ENISA, LWN, oss-sec, fulldisc, Debian ELTS, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
| References | DLA-4481-1 |
| Debian Bugs | 1125443 |
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|---|---|---|
| libpng1.6 (PTS) | bullseye | 1.6.37-3 | vulnerable |
| bullseye (security) | 1.6.37-3+deb11u2 | fixed | |
| bookworm | 1.6.39-2+deb12u1 | vulnerable | |
| bookworm (security) | 1.6.39-2+deb12u3 | fixed | |
| trixie | 1.6.48-1+deb13u1 | vulnerable | |
| trixie (security) | 1.6.48-1+deb13u3 | fixed | |
| forky, sid | 1.6.55-1 | fixed |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|---|---|---|---|---|---|
| libpng1.6 | source | bullseye | 1.6.37-3+deb11u2 | DLA-4481-1 | ||
| libpng1.6 | source | bookworm | 1.6.39-2+deb12u2 | |||
| libpng1.6 | source | trixie | 1.6.48-1+deb13u2 | |||
| libpng1.6 | source | (unstable) | 1.6.54-1 | 1125443 |
https://github.com/pnggroup/libpng/security/advisories/GHSA-mmq5-27w3-rxpp
Introduced by: https://github.com/pnggroup/libpng/commit/218612ddd6b17944e21eda56caf8b4bf7779d1ea (v1.6.51)
Fixed by: https://github.com/pnggroup/libpng/commit/e4f7ad4ea2a471776c81dda4846b7691925d9786
Introducing fix for CVE-2025-65018 got backported into older suites
https://github.com/pnggroup/libpng/issues/778