Out-of-Bounds Affecting libpng1.6 package, versions <1.6.56-1+e1


Severity

Recommended
0.0
medium
0
10

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Threat Intelligence

EPSS
0.18% (7th percentile)

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  • Snyk IDSNYK-ECHOLATEST-LIBPNG16-20335105
  • published30 Sept 2026
  • disclosed8 Mar 2026

Introduced: 8 Mar 2026

CVE-2026-3713  (opens in a new tab)
CWE-119  (opens in a new tab)
CWE-122  (opens in a new tab)

How to fix?

Upgrade Echo:latest libpng1.6 to version 1.6.56-1+e1 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream libpng1.6 package and not the libpng1.6 package as distributed by Echo. See How to fix? for Echo:latest relevant fixed versions and status.

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.

CVSS Base Scores

version 3.1