{"id":"CVE-2025-71436","revision":"d62b761e360d4d9aa63816b4393963c6","records":[{"revision":"d62b761e360d4d9aa63816b4393963c6","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2025-71436","aliases":[],"title":"Raptor RDF Syntax Library 2.0.15 through 2.0.16 Heap Buffer Overflow via Language Tag","description":"Raptor RDF Syntax Library from 2.0.15 through 2.0.16 contains a heap-based buffer overflow vulnerability in raptor_new_term_from_counted_literal() caused by truncating language tag length to an unsigned char. Attackers can supply Turtle, TriG, N-Triples or N-Quads documents with language tags of 256 bytes or longer to corrupt heap memory, crash applications, and possibly execute code.","state":0,"publishedAt":"2026-10-20T15:40:22.461+00:00","modifiedAt":"2026-10-20T16:41:49.461+00:00","affected":[{"ecosystem":"Vendor product","name":"Raptor RDF Syntax Library","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"vendor\": \"librdf\",\n                    \"product\": \"Raptor RDF Syntax Library\",\n                    \"packageURL\": \"pkg:github/dajobe/raptor\",\n                    \"defaultStatus\": \"unaffected\",\n                    \"versions\": [\n                        {\n                            \"version\": \"2.0.15\",\n                            \"lessThanOrEqual\": \"2.0.16\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"semver\"\n                        }\n                    ],\n                    \"repo\": \"https://github.com/dajobe/raptor\"\n                }"}],"metrics":[{"system":"CVSS 4.0","vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:L/VA:H/SC:N/SI:N/SA:N","score":7.1,"severity":"HIGH"},{"system":"CVSS 3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:H","score":7.1,"severity":"HIGH"}],"references":["https://github.com/dajobe/raptor/issues/83","https://github.com/dajobe/raptor/commit/361a803a72817ae771db2438277229e6541e1575","https://github.com/dajobe/raptor/blob/raptor2_2_0_16/src/raptor_term.c#L200-L218","https://github.com/dajobe/raptor/blob/raptor2_2_0_16/src/raptor_term.c#L270-L287","https://www.vulncheck.com/advisories/raptor-rdf-syntax-library-2.0.15-through-2.0.16-heap-buffer-overflow-via-language-tag"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2025-71436","license":"CVE Program Terms of Use","key":"cve-program:CVE-2025-71436","identifiers":["CVE-2025-71436"]},"retained":false,"historicalAffected":[]}],"coverage":[]}