| Name | CVE-2026-46675 |
| Description | Use-after-free of zlib input in `png_read_end` after incomplete zTXt, iTXt or iCCP decompression |
| 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 | DSA-6537-1 |
Vulnerable and fixed packages
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|
| libpng1.6 (PTS) | bookworm, bookworm (security) | 1.6.39-2+deb12u5 | vulnerable |
| trixie | 1.6.48-1+deb13u5 | vulnerable |
| trixie (security) | 1.6.48-1+deb13u6 | fixed |
| forky | 1.6.58-1 | vulnerable |
| sid | 1.6.59-1 | fixed |
The information below is based on the following data on fixed versions.
Notes
https://github.com/pnggroup/libpng/security/advisories/GHSA-qvg3-h654-xq3j
https://github.com/pnggroup/libpng/issues/855
Fixed by: https://github.com/pnggroup/libpng/commit/aa77ef38c17ab2fc1b41bec09fb973c6a386641d (v1.6.59)