Buffer overflow in Pnggroup Libpng
CVE-2025-65018
LIBPNG is a reference library for use in applications that read, create, and manipulate PNG (Portable Network Graphics) raster image files. From version 1.6.0 to before 1.6.51, there is a heap buffer overflow vulnerability in the libpng si…
Vulnerability class: Buffer Overflow
EPSS: 0.001 (20.5th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.1 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:H.
Affected products
- Pnggroup Libpng — versions >= 1.6.0, < 1.6.51
Weakness classification (CWE)
Public proof-of-concept exploits
References
- https://github.com/pnggroup/libpng/security/advisories/GHSA-7wv6-48j4-hj3g (x_refsource_CONFIRM)
- https://github.com/pnggroup/libpng/issues/755 (x_refsource_MISC)
- https://github.com/pnggroup/libpng/pull/757 (x_refsource_MISC)
- https://github.com/pnggroup/libpng/commit/16b5e3823918840aae65c0a6da57c78a5a496a4d (x_refsource_MISC)
- https://github.com/pnggroup/libpng/commit/218612ddd6b17944e21eda56caf8b4bf7779d1ea (x_refsource_MISC)
Frequently asked questions
- What is CVE-2025-65018?
- CVE-2025-65018 is a high-severity vulnerability in Pnggroup Libpng, classified under Out-of-bounds Write. CVSS score: 7.1/10. Published 2025-11-24.
- How severe is CVE-2025-65018?
- High severity. CVSS v3 base score is 7.1 out of 10.
- Is CVE-2025-65018 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.