{"id":"CVE-2026-110597","revision":"ac452e7b8e7e45c0a6abb90772d67b2c","records":[{"revision":"ac452e7b8e7e45c0a6abb90772d67b2c","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2026-110597","aliases":[],"title":"Tinyexr through 3.2.0 Heap Out-of-Bounds Read via ParseEXRMultipartHeaderFromMemory","description":"Tinyexr through 3.2.0 contains a heap out-of-bounds read vulnerability in ParseEXRMultipartHeaderFromMemory() that allows attackers to read beyond buffers due to a stale remaining-size value. Attackers can supply a crafted multi-part EXR file whose later part headers bypass ReadAttribute() bounds checks, crashing applications or leaking adjacent heap memory into attribute values.","state":0,"publishedAt":"2026-10-14T14:16:40.331+00:00","modifiedAt":"2026-10-14T17:57:39.792+00:00","affected":[{"ecosystem":"Vendor product","name":"tinyexr","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"vendor\": \"syoyo\",\n                    \"product\": \"tinyexr\",\n                    \"defaultStatus\": \"unaffected\",\n                    \"versions\": [\n                        {\n                            \"version\": \"0\",\n                            \"lessThanOrEqual\": \"3.2.0\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"semver\"\n                        }\n                    ],\n                    \"packageURL\": \"pkg:github/syoyo/tinyexr\",\n                    \"repo\": \"https://github.com/syoyo/tinyexr\"\n                }"}],"metrics":[{"system":"CVSS 4.0","vector":"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","score":6.9,"severity":"MEDIUM"},{"system":"CVSS 3.1","vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:H","score":6.1,"severity":"MEDIUM"}],"references":["https://hackmd.io/@haind-pwn/tinyexr-multipart-header-stale-size-oob-read","https://github.com/syoyo/tinyexr/blob/6f470c9ab24bf3992bc512ce07e8ecb00d9bf105/tinyexr.h#L10551-L10621","https://github.com/syoyo/tinyexr/blob/6f470c9ab24bf3992bc512ce07e8ecb00d9bf105/tinyexr.h#L1207-L1266","https://www.vulncheck.com/advisories/tinyexr-through-3.2.0-heap-out-of-bounds-read-via-parseexrmultipartheaderfrommemory"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-110597","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-110597","identifiers":["CVE-2026-110597"]},"retained":false,"historicalAffected":[]}],"coverage":[]}