CVE-2025-71436
HIGH
CVSS 7.1
Published: 2026-10-20
Modified: 2026-10-20
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Threat Intelligence Pending
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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.
Quick Facts
| CVE ID | CVE-2025-71436 |
| CVSS Score | 7.1 |
| Vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:H |
| Published | 2026-10-20 |
| Exploited | No |
| CISA KEV | No |
| PoC | Not public |
References
- https://github.com/dajobe/raptor/blob/raptor2_2_0_16/src/rap…
- https://github.com/dajobe/raptor/blob/raptor2_2_0_16/src/rap…
- https://github.com/dajobe/raptor/commit/361a803a72817ae771db…
- https://github.com/dajobe/raptor/issues/83
- https://www.vulncheck.com/advisories/raptor-rdf-syntax-libra…
- https://github.com/dajobe/raptor/issues/83