Buffer Overflow vulnerability in libpng 1.6.43-1.6.46 allows a local attacker to cause a denial of service via the pngimage with AddressSanitizer (ASan), the program leaks memory in various locations, eventually leading to high memory usage and causing the program to become unresponsive

Metrics

No CVSS v4.0

Attack Vector Local

Attack Complexity Low

Privileges Required Low

Scope Unchanged

Confidentiality Impact None

Integrity Impact None

Availability Impact High

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

Exploitation poc

Automatable no

Technical Impact partial

Affected Vendors & Products

Vendors Products
Libpng
  • Libpng

No data.

No data.

References
Link Providers
https://gist.github.com/kittener/fbfdb9b5610c6b3db0d5dea045a07c60 cve-icon cve-icon cve-icon
https://github.com/pnggroup/libpng/issues/656 cve-icon cve-icon cve-icon
https://nvd.nist.gov/vuln/detail/CVE-2025-28162 cve-icon
https://www.cve.org/CVERecord?id=CVE-2025-28162 cve-icon
History

Thu, 29 Jan 2026 15:15:00 +0000

Type Values Removed Values Added
Metrics cvssV3_1

{'score': 6.2, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H'}

 ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'poc', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

cvssV3_1

{'score': 5.5, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H'}

Thu, 29 Jan 2026 00:15:00 +0000

Type Values Removed Values Added
Title libpng: libpng: Denial of Service via buffer overflow in pngimage utility
Weaknesses CWE-120
References
Metrics threat_severity

None

 cvssV3_1

{'score': 6.2, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H'}

threat_severity

Moderate

Wed, 28 Jan 2026 12:30:00 +0000

Type Values Removed Values Added
First Time appeared Libpng
Libpng libpng
Vendors & Products Libpng
Libpng libpng

Tue, 27 Jan 2026 16:00:00 +0000

Type Values Removed Values Added
Description Buffer Overflow vulnerability in libpng 1.6.43-1.6.46 allows a local attacker to cause a denial of service via the pngimage with AddressSanitizer (ASan), the program leaks memory in various locations, eventually leading to high memory usage and causing the program to become unresponsive
References
cve-icon MITRE

Status: PUBLISHED

Assigner: mitre

Published: 2026-01-27T00:00:00.000Z

Updated: 2026-01-29T14:45:03.126Z

Reserved: 2025-03-11T00:00:00.000Z

Link: CVE-2025-28162

cve-icon Vulnrichment

Updated: 2026-01-29T14:44:56.309Z

cve-icon NVD

Status : Awaiting Analysis

Published: 2026-01-27T16:16:14.630

Modified: 2026-01-29T16:31:35.700

Link: CVE-2025-28162

cve-icon Redhat

Severity : Moderate

Publid Date: 2026-01-27T00:00:00Z

Links: CVE-2025-28162 - Bugzilla