Is CVE-2026-3713 actively exploited?

No active exploitation of CVE-2026-3713 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2026-3713 be exploited remotely?

No. CVE-2026-3713 requires local access to exploit.

What is the CVSS score of CVE-2026-3713?

CVE-2026-3713 has a CVSS score of 5.3 (MEDIUM).

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MEDIUM

CVE-2026-3713

CWE-119Published: March 8, 2026· Updated: Mar 9, 2026

5.3

CVSS v3.1

EPSS:0.01%probability of exploitation in 30 daysPercentile:2.1th

Official Description

A flaw has been found in pnggroup libpng up to 1.6.55. Affected by this vulnerability is the function do_pnm2png of the file contrib/pngminus/pnm2png.c of the component pnm2png. This manipulation of the argument width/height causes heap-based buffer overflow. The attack is restricted to local execution. The exploit has been published and may be used. The project was informed of the problem early through an issue report but has not responded yet.

NVD Source

Technical Analysis

CVE-2026-3713 requires local access, meaning attackers must already have a foothold on the target system.

Exploitation requires low privileges, which limits the exposure to scenarios where an attacker has already gained initial access.

From a weakness classification perspective (CWE-119): Buffer overflow vulnerabilities can lead to arbitrary code execution or denial of service by corrupting adjacent memory.