Vulnerability 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.
CVSS Score
HIGH
Related Weaknesses (CWE)
References
- 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://github.com/dajobe/raptor/commit/361a803a72817ae771db2438277229e6541e1575
- https://github.com/dajobe/raptor/issues/83
- https://www.vulncheck.com/advisories/raptor-rdf-syntax-library-2.0.15-through-2.
- https://github.com/dajobe/raptor/issues/83
FAQ
What is CVE-2025-71436?
CVE-2025-71436 is a vulnerability with a CVSS score of 7.1 (HIGH). 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 unsign...
How severe is CVE-2025-71436?
CVE-2025-71436 has been rated HIGH with a CVSS base score of 7.1/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2025-71436?
Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.