What is CVE-2026-22695?

CVE-2026-22695 is a medium-severity vulnerability in Pnggroup Libpng, classified under Out-of-bounds Read. CVSS score: 6.1/10. Published 2026-01-12.

How severe is CVE-2026-22695?

Medium severity. CVSS v3 base score is 6.1 out of 10.

Out-of-bounds Read in Pnggroup Libpng

CVE-2026-22695

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_i…

Vulnerability class: Buffer Overflow

EPSS: 0.000 (13.5th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:H.

Affected products

Pnggroup Libpng — versions < 1.6.54

Weakness classification (CWE)

CWE-125 — Out-of-bounds Read

References

https://github.com/pnggroup/libpng/security/advisories/GHSA-mmq5-27w3-rxpp (x_refsource_CONFIRM)
https://github.com/pnggroup/libpng/issues/778 (x_refsource_MISC)
https://github.com/pnggroup/libpng/commit/218612ddd6b17944e21eda56caf8b4bf7779d1ea (x_refsource_MISC)
https://github.com/pnggroup/libpng/commit/e4f7ad4ea2 (x_refsource_MISC)

Frequently asked questions

What is CVE-2026-22695?: CVE-2026-22695 is a medium-severity vulnerability in Pnggroup Libpng, classified under Out-of-bounds Read. CVSS score: 6.1/10. Published 2026-01-12.
How severe is CVE-2026-22695?: Medium severity. CVSS v3 base score is 6.1 out of 10.