CVE-2026-112020: medium-severity vulnerability in lvandeve lodepng
LodePNG through 20261006 Heap Out-of-Bounds Read via getFilterTypesInterlaced()
Published · Updated
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33Vexday Risk Score
No sign of exploitation. It has a public proof of concept.
ssvc Attendcvss 6.9epss 0.2%
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:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:L/VI:N/VA:H/SC:N/SI:N/SA:N
Affected products
lvandeve · lodepngpublic PoCs found — 1
cve_referencehackmd.io/@haindpwn/cve-2026-112020-lodepng-getfiltertypesinterlaced-short-idat-oob-readunverified⚠ Public resources, to assess the exposure of systems you control or are authorized to test. Test only with authorization.
References
https://github.com/lvandeve/lodepnghttps://github.com/lvandeve/lodepng/blob/e584a8490db1b76b81bf298c11c09d3b55d9c270/lodepng_util.cpp#L185-L203https://hackmd.io/@haindpwn/cve-2026-112020-lodepng-getfiltertypesinterlaced-short-idat-oob-readhttps://hackmd.io/@haindpwn/lodepng-getfiltertypesinterlaced-short-idat-oob-readhttps://www.vulncheck.com/advisories/lodepng-through-20261006-heap-out-of-bounds-read-via-getfiltertypesinterlaced