CVE-2025-64720: LIBPNG is vulnerable to a buffer overflow in `png_image_read_composite` via incorrect palette premultiplication

Overview

Severity

High (CVSS 7.1)

CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:H

Exploit Status

Not Exploited

Patch Tuesday

2025-Nov

Released

2025-11-27

Last Updated

2025-12-02

EPSS Score

0.10% (percentile: 27.9%)

Detection & Weaponization (1 sources)

Maturity: Exploit

• GitHub PoC: 1 repositories

Affected Products (6)

Other

• 20674-17084
• 19626-17084
• 17667-17084
• 20185-17086
• 19668-17086
• 18435-17086

Revision History

• 2025-11-27: Information published.
• 2025-12-02: Information published.