CVE-2026-3713 PUBLISHED

pnggroup libpng pnm2png pnm2png.c do_pnm2png heap-based overflow

Assigner: VulDB
Reserved: 07.03.2026 Published: 08.03.2026 Updated: 08.03.2026

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.

Metrics

CVSS 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
CVSS Score: 4.8

Product Status

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

Credits

  • biniam (VulDB User) reporter

References

Problem Types

  • Heap-based Buffer Overflow CWE
  • Memory Corruption CWE