Out-of-bounds Read in 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: 0.003 (22.0th 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
- Libpng
- Pnggroup Libpng — versions < 1.6.52
Weakness classification (CWE)
References
- security-advisories@github.com (x_refsource_CONFIRM, Exploit, Vendor Advisory)
- security-advisories@github.com (Exploit, Patch, x_refsource_MISC, Issue Tracking)
- security-advisories@github.com (Patch, x_refsource_MISC)
- security-advisories@github.com (Patch, x_refsource_MISC)
- af854a3a-2127-422b-91ae-364da2661108 (Mailing List)
- af854a3a-2127-422b-91ae-364da2661108 (Mailing List)
- af854a3a-2127-422b-91ae-364da2661108 (Mailing List)
Frequently asked questions
- What is CVE-2025-66293?
- CVE-2025-66293 is a high-severity vulnerability in 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.