Out-of-bounds Read in Pnggroup Libpng

CVE-2025-64720

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, an out-of-bounds read vulnerability exists in png_image_read_c…

Vulnerability class: Buffer Overflow

EPSS: 0.001 (23.5th 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

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2025-64720?
CVE-2025-64720 is a high-severity vulnerability in Pnggroup Libpng, classified under Out-of-bounds Read. CVSS score: 7.1/10. Published 2025-11-24.
How severe is CVE-2025-64720?
High severity. CVSS v3 base score is 7.1 out of 10.
Is CVE-2025-64720 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.