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CVE-2025-71436 Details

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.

Metrics

CVSS 3.x Severity and Vector Strings:

CNA: [email protected]CVSS-B:7.1 HIGHVector:CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:H

References to Advisories, Solutions, and Tools

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URL	Source(s)	Tag(s)
https://github.com/dajobe/raptor/issues/83	CISA-ADP
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]

see all 6 references

Weakness Enumeration

CWE-ID	CWE Name	Source
CWE-122	Heap-based Buffer Overflow	[email protected]

Affected Products

No affected product data is available for this CVE.

Change History

3 change records found show changes

Date	Action	Recorded By
Oct 28, 2026	CVE Translated	[email protected]
Oct 20, 2026	CVE Modified	CISA-ADP
Oct 20, 2026	New CVE Received	[email protected]