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.

Attack Vector Local

Attack Complexity Low

Privileges Required Low

Attack Requirements None

User Interaction None

Vulnerable System Confidentiality Impact Low

Vulnerable System Integrity Impact Low

Vulnerable System Availability Impact Low

Subsequent System Confidentiality Impact None

Subsequent System Integrity Impact None

Subsequent System Availability Impact None

Attack Vector Local

Attack Complexity Low

Privileges Required Low

Scope Unchanged

Confidentiality Impact Low

Integrity Impact Low

Availability Impact Low

User Interaction None

Attack Vector Local

Attack Complexity Low

Privileges Required Low

Scope Unchanged

Confidentiality Impact Low

Integrity Impact Low

Availability Impact Low

User Interaction None

Access Vector Local

Access Complexity Low

Authentication Single

Confidentiality Impact Partial

Integrity Impact Partial

Availability Impact Partial

This CVE is not in the KEV list.

The EPSS score is 0.00013.

Exploitation poc

Automatable no

Technical Impact partial

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions
pnggroup libpng affected
Version Status Constraints
1.6.0 affected —
1.6.1 affected —
1.6.2 affected —
1.6.3 affected —
1.6.4 affected —
1.6.5 affected —
1.6.6 affected —
1.6.7 affected —
1.6.8 affected —
1.6.9 affected —
1.6.10 affected —
1.6.11 affected —
1.6.12 affected —
1.6.13 affected —
1.6.14 affected —
1.6.15 affected —
1.6.16 affected —
1.6.17 affected —
1.6.18 affected —
1.6.19 affected —
1.6.20 affected —
1.6.21 affected —
1.6.22 affected —
1.6.23 affected —
1.6.24 affected —
1.6.25 affected —
1.6.26 affected —
1.6.27 affected —
1.6.28 affected —
1.6.29 affected —
1.6.30 affected —
1.6.31 affected —
1.6.32 affected —
1.6.33 affected —
1.6.34 affected —
1.6.35 affected —
1.6.36 affected —
1.6.37 affected —
1.6.38 affected —
1.6.39 affected —
1.6.40 affected —
1.6.41 affected —
1.6.42 affected —
1.6.43 affected —
1.6.44 affected —
1.6.45 affected —
1.6.46 affected —
1.6.47 affected —
1.6.48 affected —
1.6.49 affected —
1.6.50 affected —
1.6.51 affected —
1.6.52 affected —
1.6.53 affected —
1.6.54 affected —
1.6.55 affected —

No data.

No data.

OpenCVE Enrichment is a feature of OpenCVE that uses AI to automatically link vendors and products to CVEs. Learn more on GitHub.

Vendors Products
Libpng Subscribe
Libpng Subscribe

Project Subscriptions

Vendors Products
Libpng Subscribe
Libpng Subscribe
Advisories

No advisories yet.

Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References
Link Providers
https://github.com/biniamf/pocs/tree/main/pnm2png cve-icon cve-icon cve-icon
https://github.com/pnggroup/libpng/ cve-icon cve-icon cve-icon
https://github.com/pnggroup/libpng/issues/794 cve-icon cve-icon cve-icon
https://nvd.nist.gov/vuln/detail/CVE-2026-3713 cve-icon
https://vuldb.com/?ctiid.349658 cve-icon cve-icon cve-icon
https://vuldb.com/?id.349658 cve-icon cve-icon cve-icon
https://vuldb.com/?submit.761996 cve-icon cve-icon cve-icon
https://www.cve.org/CVERecord?id=CVE-2026-3713 cve-icon
History

Wed, 11 Mar 2026 15:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

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

Tue, 10 Mar 2026 00:15:00 +0000

Type Values Removed Values Added
Weaknesses CWE-131
References
Metrics threat_severity

None

 threat_severity

Moderate

Sun, 08 Mar 2026 06:15:00 +0000

Type Values Removed Values Added
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.
Title pnggroup libpng pnm2png pnm2png.c do_pnm2png heap-based overflow
First Time appeared Libpng
Libpng libpng
Weaknesses CWE-119
CWE-122
CPEs cpe:2.3:a:libpng:libpng:*:*:*:*:*:*:*:*
Vendors & Products Libpng
Libpng libpng
References
Metrics cvssV2_0

{'score': 4.3, 'vector': 'AV:L/AC:L/Au:S/C:P/I:P/A:P/E:POC/RL:ND/RC:C'}

cvssV3_0

{'score': 5.3, 'vector': 'CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:C'}

cvssV3_1

{'score': 5.3, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:C'}

cvssV4_0

{'score': 4.8, 'vector': 'CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P'}

Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: VulDB

Published:

Updated: 2026-03-11T13:43:22.092Z

Reserved: 2026-03-07T10:52:23.533Z

Link: CVE-2026-3713

cve-icon Vulnrichment

Updated: 2026-03-11T13:43:06.161Z

cve-icon NVD

Status : Awaiting Analysis

Published: 2026-03-08T06:16:11.460

Modified: 2026-03-09T13:35:07.393

Link: CVE-2026-3713

cve-icon Redhat

Severity : Moderate

Publid Date: 2026-03-08T06:02:11Z

Links: CVE-2026-3713 - Bugzilla

cve-icon OpenCVE Enrichment

Updated: 2026-03-09T10:03:29Z

Weaknesses