CVE-2026-112020CWE-125

CVE-2026-112020

Medium · published October 18, 2026

CVSS v3.1
6.1
EPSS
0%
Percentile
1.7
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
6.1 · MEDIUM
Vector
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:H
CVSS v4.0
6.9 · 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
EPSS
0.00120 · 1.7th percentile
Weakness
CWE-125 · Out-of-bounds Read
Published
2026-10-18T16:17Z
References (5)
https://github.com/lvandeve/lodepng · [email protected]https://github.com/lvandeve/lodepng/blob/e584a8490db1b76b81bf298c11c09d3b55d9c270/lodepng_util.cpp#L185-L203 · [email protected]https://hackmd.io/@haindpwn/lodepng-getfiltertypesinterlaced-short-idat-oob-read · [email protected]https://www.vulncheck.com/advisories/lodepng-through-20261006-heap-out-of-bounds-read-via-getfiltertypesinterlaced · [email protected]https://hackmd.io/@haindpwn/cve-2026-112020-lodepng-getfiltertypesinterlaced-short-idat-oob-read · 134c704f-9b21-4f2e-91b3-4a467353bcc0
EPSS history
Timeline
  • 20 OCT 03:29Z
    EPSS moved — → 0%
    epss
  • 18 OCT 11:38Z
    LodePNG through 20261006 Heap Out-of-Bounds Read via getFilterTypesInterlaced()
    cvelistv5
  • 18 OCT 11:38Z
    LodePNG through 20261006 Heap Out-of-Bounds Read via getFilterTypesInterlaced()
    cvelistv5