CVE-2025-71436CWE-122

CVE-2025-71436

High · published October 20, 2026

CVSS v3.1
7.1
EPSS
1%
Percentile
42.1
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
7.1 · HIGH
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:H
CVSS v4.0
7.1 · 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
EPSS
0.00503 · 42.1th percentile
Weakness
CWE-122 · Heap-based Buffer Overflow
Published
2026-10-20T20:16Z
References (6)
https://github.com/dajobe/raptor/blob/raptor2_2_0_16/src/raptor_term.c#L200-L218 · [email protected]https://github.com/dajobe/raptor/blob/raptor2_2_0_16/src/raptor_term.c#L270-L287 · [email protected]https://github.com/dajobe/raptor/commit/361a803a72817ae771db2438277229e6541e1575 · [email protected]https://github.com/dajobe/raptor/issues/83 · [email protected]https://www.vulncheck.com/advisories/raptor-rdf-syntax-library-2.0.15-through-2.0.16-heap-buffer-overflow-via-language-tag · [email protected]https://github.com/dajobe/raptor/issues/83 · 134c704f-9b21-4f2e-91b3-4a467353bcc0
EPSS history
Timeline
  • 22 OCT 03:28Z
    EPSS moved — → 1%
    epss
  • 20 OCT 15:40Z
    Raptor RDF Syntax Library 2.0.15 through 2.0.16 Heap Buffer Overflow via Language Tag
    cvelistv5
  • 20 OCT 15:40Z
    Raptor RDF Syntax Library 2.0.15 through 2.0.16 Heap Buffer Overflow via Language Tag
    cvelistv5