CVE-2025-28162

libpng: libpng: Denial of Service via buffer overflow in pngimage utility

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Severity

Moderate

Red Hat Product Security

6.2

CVSS 3.1

Review impact separately from score.

Published · January 27, 2026

Updated · August 31, 2026

Description

A flaw was found in libpng. A local attacker can exploit a buffer overflow vulnerability in the pngimage utility when processed with AddressSanitizer (ASan). This flaw causes memory leaks, leading to high memory usage and ultimately rendering the program unresponsive, resulting in a denial of service.

CVSS score applicability

The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.

Mitigation

No mitigation is specified in collected source.

CVSS / CWE

CVSS 3.1 · 6.2
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

CWE-120 · Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')