{"id":"CVE-2026-112020","title":"LodePNG through 20261006 Heap Out-of-Bounds Read via getFilterTypesInterlaced()","summary":"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 declar…","severity":"medium","cvss":6.1,"cvssVector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:H","cvssSource":"cna","cwe":["CWE-125"],"vendor":"lvandeve","product":"lodepng","affected":["lodepng <= 20261006"],"published":"2026-10-18","updated":"2026-10-18","sourceUpdated":"2026-10-18T11:38:39.921Z","source":"CVEORG","sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-112020","references":[{"url":"https://hackmd.io/@haindpwn/lodepng-getfiltertypesinterlaced-short-idat-oob-read"},{"url":"https://github.com/lvandeve/lodepng/blob/e584a8490db1b76b81bf298c11c09d3b55d9c270/lodepng_util.cpp#L185-L203"},{"url":"https://github.com/lvandeve/lodepng"},{"url":"https://www.vulncheck.com/advisories/lodepng-through-20261006-heap-out-of-bounds-read-via-getfiltertypesinterlaced","label":"VulnCheck Advisory: LodePNG through 20261006 Heap Out-of-Bounds Read via getFilterTypesInterlaced()"}],"tags":["cve.org"],"ingestedAt":"2026-10-18T11:40:26.619Z","slug":"CVE-2026-112020","body":"## Overview\n\nLodePNG 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.\n\n## Affected\n\n- `lodepng <= 20261006`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"sunlit","depthScore":34,"depthScoreParts":{"impact":33.6,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}