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CVE-2025-66293

nvd nist
Published: Dec 3, 2025Modified: Jun 17, 2026

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7.1
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:H
Exploitability: 2.8 / Impact: 4.2
Source: security-advisories@github.com (Secondary)

Description

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 to 1012 bytes beyond the png_sRGB_base[512] array when processing valid palette PNG images with partial transparency and gamma correction. The PNG files that trigger this vulnerability are valid per the PNG specification; the bug is in libpng's internal state management. Upgrade to libpng 1.6.52 or later.

Affected (1)

Products: Libpng: Libpng
Libpng
1 product
Libpng
Configuration A
1 vulnerable
Vulnerable SoftwareAffected Versions
Libpng
Before 1.6.52

Related CWEs

CWE-125
Out-of-bounds Read
The product reads data past the end, or before the beginning, of the intended buffer.

References (8)

Source: security-advisories@github.com
Patch
Source: security-advisories@github.com
Patch
Source: security-advisories@github.com
ExploitIssue TrackingPatch
Source: security-advisories@github.com
ExploitVendor Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
Mailing List
Source: af854a3a-2127-422b-91ae-364da2661108
Mailing List
Source: af854a3a-2127-422b-91ae-364da2661108
Mailing List
Source: 134c704f-9b21-4f2e-91b3-4a467353bcc0
ExploitIssue TrackingPatch

Timeline

No history available yet.