Source: libpng1.6 Version: 1.6.56-1 Severity: important Tags: security upstream X-Debbugs-Cc: [email protected], Debian Security Team <[email protected]>
Hi, The following vulnerability was published for libpng1.6. CVE-2026-34757[0]: | Use-after-free in `png_set_PLTE`, `png_set_tRNS` and `png_set_hIST` | leading to corrupted chunk data and potential heap information | disclosure If you fix the vulnerability please also make sure to include the CVE (Common Vulnerabilities & Exposures) id in your changelog entry. For further information see: [0] https://security-tracker.debian.org/tracker/CVE-2026-34757 https://www.cve.org/CVERecord?id=CVE-2026-34757 [1] https://github.com/pnggroup/libpng/security/advisories/GHSA-6fr7-g8h7-v645 Please adjust the affected versions in the BTS as needed. Regards, Salvatore

