Out-of-bounds Read in Pnggroup Libpng
CVE-2025-66293
LIBPNG is a reference library for use in applications that read, create, and manipulate PNG (Portable Network Graphics) raster image files. Prior to 1.6.52, an out-of-bounds read vulnerability in libpng's simplified API allows reading up t…
Vulnerability class: Buffer Overflow
EPSS: 0.001 (33.4th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.1 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:H.
Affected products
- Pnggroup Libpng — versions < 1.6.52
Weakness classification (CWE)
References
- https://github.com/pnggroup/libpng/security/advisories/GHSA-9mpm-9pxh-mg4f (x_refsource_CONFIRM)
- https://github.com/pnggroup/libpng/issues/764 (x_refsource_MISC)
- https://github.com/pnggroup/libpng/commit/788a624d7387a758ffd5c7ab010f1870dea753a1 (x_refsource_MISC)
- https://github.com/pnggroup/libpng/commit/a05a48b756de63e3234ea6b3b938b8f5f862484a (x_refsource_MISC)
Frequently asked questions
- What is CVE-2025-66293?
- CVE-2025-66293 is a high-severity vulnerability in Pnggroup Libpng, classified under Out-of-bounds Read. CVSS score: 7.1/10. Published 2025-12-03.
- How severe is CVE-2025-66293?
- High severity. CVSS v3 base score is 7.1 out of 10.