CVE-2026-3713

pnggroup libpng pnm2png pnm2png.c do_pnm2png heap-based overflow

MEDIUM 4.8

En bref

Source
NVD
EPSS
EPSS 0.13 % · centile 3 ()
État
PUBLISHED
Publiée
Mise à jour
Attribuée par
VulDB
Statut NVD
Deferred

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.

Faiblesses (CWE)

  • CWE-122 — Débordement de tampon sur le tas
  • CWE-119 — Opération hors des limites d'un tampon mémoire

Références

Scores

VersionScoreVecteurÉvalué par
CVSS 4.0MEDIUM 4.8CVSS: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:PVulDB
CVSS 3.1MEDIUM 5.3CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:CVulDB
CVSS 3.0MEDIUM 5.3CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:CVulDB
CVSS 2.0MEDIUM 4.3AV:L/AC:L/Au:S/C:P/I:P/A:P/E:POC/RL:ND/RC:CVulDB
CVSS 4.0LOW 1.9CVSS: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/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:XNVD · cna@vuldb.com (Secondary)
CVSS 3.1MEDIUM 5.3CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:LNVD · cna@vuldb.com (Secondary)
CVSS 2.0MEDIUM 4.3AV:L/AC:L/Au:S/C:P/I:P/A:PNVD · cna@vuldb.com (Secondary)

Références européennes

Avis du CERT-FR

Produits affectés

ProduitVersions
pnggroup · libpngaffected 1.6.0 ; affected 1.6.1 ; affected 1.6.2 ; affected 1.6.3 ; affected 1.6.4 ; affected 1.6.5

Sources

SourceLicence
CVE List (CVEProject cvelistV5)CVE Program Terms of Use
EPSS (FIRST.org)FIRST — attribution requested
ENISA EUVDENISA — reproduction authorised, source acknowledged
CERT-FR (ANSSI)Licence Ouverte / Etalab 2.0
NVD (NIST) via fkie-cad/nvd-json-data-feedsPublic domain — this product uses data from the NVD API but is not endorsed or certified by the NVD