{"id":"CVE-2025-71436","url":"https://www.cyber-defence.io/tools/cve/CVE-2025-71436","generatedAt":"2026-10-28T05:27:45.836Z","title":"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.","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.","published":"2026-10-20T16:16:59.000Z","lastModified":"2026-10-20T20:06:37.000Z","status":"Awaiting Analysis","sourceIdentifier":"disclosure@vulncheck.com","cvss":{"version":"4.0","score":7.1,"severity":"HIGH","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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/M"},"cwe":["CWE-122"],"affected":[],"epss":{"score":0.00496,"percentile":0.42333,"date":"2026-10-27","history":[{"date":"2026-10-21","score":0.00503,"percentile":0.42025}]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"high","text":"High impact if exploited, but EPSS currently rates exploitation as unlikely (0.50%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit."},"changes":[{"kind":"new","label":"New CVE","at":"2026-10-20T16:16:59.000Z","detail":{"score":"7.1","severity":"HIGH","publishedAt":"2026-10-20T16:16:59.067Z"},"summary":"New CVE, high severity (CVSS 7.1)."}],"references":[{"url":"https://github.com/dajobe/raptor/blob/raptor2_2_0_16/src/raptor_term.c#L200-L218","source":"disclosure@vulncheck.com"},{"url":"https://github.com/dajobe/raptor/blob/raptor2_2_0_16/src/raptor_term.c#L270-L287","source":"disclosure@vulncheck.com"},{"url":"https://github.com/dajobe/raptor/commit/361a803a72817ae771db2438277229e6541e1575","source":"disclosure@vulncheck.com"},{"url":"https://github.com/dajobe/raptor/issues/83","source":"disclosure@vulncheck.com"},{"url":"https://www.vulncheck.com/advisories/raptor-rdf-syntax-library-2.0.15-through-2.0.16-heap-buffer-overflow-via-language-tag","source":"disclosure@vulncheck.com"},{"url":"https://github.com/dajobe/raptor/issues/83","source":"134c704f-9b21-4f2e-91b3-4a467353bcc0"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2025-71436","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}