CVE-2026-3713

MEDIUM
2026-03-08 [email protected]
5.3
CVSS 3.1
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CVSS Vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
Attack Vector
Local
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
Low
Integrity
Low
Availability
Low

Lifecycle Timeline

3
Analysis Generated
Mar 12, 2026 - 21:55 vuln.today
PoC Detected
Mar 09, 2026 - 13:35 vuln.today
Public exploit code
CVE Published
Mar 08, 2026 - 06:16 nvd
MEDIUM 5.3

Tags

Buffer Overflow Heap Overflow

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.

Analysis

Heap buffer overflow in libpng's pnm2png utility (versions up to 1.6.55) allows local attackers to corrupt memory and potentially execute code by supplying malicious width or height parameters. The vulnerability requires local access and public exploit code is available. …

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Remediation

Within 30 days: Identify affected systems running pnggroup libpng and apply vendor patches as part of regular patch cycle. Monitor vendor channels for patch availability.

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Priority Score

47
Low Medium High Critical
KEV: 0
EPSS: +0.0
CVSS: +26
POC: +20

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CVE-2026-3713 vulnerability details – vuln.today
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