Buffer overflow in 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: 0.002 (13.7th 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
- Libpng
- Pnggroup Libpng — versions >= 1.6.0, < 1.6.51
Weakness classification (CWE)
Public proof-of-concept exploits
References
- security-advisories@github.com (x_refsource_CONFIRM, Exploit, Vendor Advisory)
- security-advisories@github.com (Exploit, x_refsource_MISC, Issue Tracking)
- security-advisories@github.com (x_refsource_MISC, Issue Tracking)
- security-advisories@github.com (Patch, x_refsource_MISC)
- security-advisories@github.com (Patch, x_refsource_MISC)
Frequently asked questions
- What is CVE-2025-65018?
- CVE-2025-65018 is a high-severity vulnerability in Libpng, classified under Heap-based Buffer Overflow. CVSS score: 7.1/10. Published 2025-11-25.
- 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.