CVE-2026-112020

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.

CVSS v3 6.1 MEDIUM

6.1^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 1.8 / Impact : 4.2

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required NONE

User Interaction REQUIRED

Confidentiality Impact LOW

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
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

Configurations

No configuration.

History

22 Oct 2026, 03:16

Type	Values Removed	Values Added
References		() https://hackmd.io/@haindpwn/cve-2026-112020-lodepng-getfiltertypesinterlaced-short-idat-oob-read -

18 Oct 2026, 12:17

Type	Values Removed	Values Added
New CVE

Information

Published : 2026-10-18 12:17

Updated : 2026-10-22 03:16

NVD link : CVE-2026-112020

Mitre link : CVE-2026-112020

CVE.ORG link : CVE-2026-112020

JSON object : View

Products Affected

No product.

CWE

CWE-125

Out-of-bounds Read

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