CVE-2026-112020

6.1 Moyenne

Publiée le 18/10/2026 à 14:17 · Modifiée le 22/10/2026 à 05:16 · Analyse NVD reportée · Source : disclosure@vulncheck.com

Description

LodePNG through 20261006 contains a heap out-of-bounds read vulnerability in lodepng::getFilterTypesInterlaced() in lodepng_util.cpp that lacks bounds checks on decompressed IDAT data. Attackers can supply a crafted interlaced PNG declaring a raster larger than its IDAT stream to disclose adjacent heap memory or crash applications.

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Produits concernés

lvandeve lodepng

Scores CVSS

Version	Score	Source	Vecteur
4.0	6.9 Moyenne	disclosure@vulncheck.com	`CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:L/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/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:X`
3.1	6.1 Moyenne	disclosure@vulncheck.com	`CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:H`

Faiblesses (CWE)

CWE-125

Références

https://github.com/lvandeve/lodepng
https://github.com/lvandeve/lodepng/blob/e584a8490db1b76b81bf298c11c09d3b55d9c270/lodepng_util.cpp#L185-L203
https://hackmd.io/@haindpwn/lodepng-getfiltertypesinterlaced-short-idat-oob-read
https://www.vulncheck.com/advisories/lodepng-through-20261006-heap-out-of-bounds-read-via-getfiltertypesinterlaced
https://hackmd.io/@haindpwn/cve-2026-112020-lodepng-getfiltertypesinterlaced-short-idat-oob-read

Ailleurs

NVD
CVE.org
CIRCL Vulnerability-Lookup
CERT-FR
GitHub Advisories