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.
Advisories

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Fixes

Solution

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Workaround

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History

Tue, 20 Oct 2026 15:45:00 +0000

Type Values Removed Values Added
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.
Title Raptor RDF Syntax Library 2.0.15 through 2.0.16 Heap Buffer Overflow via Language Tag
First Time appeared Librdf
Librdf raptor Rdf Syntax Library
Weaknesses CWE-122
CPEs cpe:2.3:a:librdf:raptor_rdf_syntax_library:*:*:*:*:*:*:*:*
Vendors & Products Librdf
Librdf raptor Rdf Syntax Library
References
Metrics cvssV3_1

{'score': 7.1, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:H'}

cvssV4_0

{'score': 7.1, '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'}


Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: VulnCheck

Published:

Updated: 2026-10-20T16:41:49.461Z

Reserved: 2026-10-20T14:50:46.229Z

Link: CVE-2025-71436

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Received

Published: 2026-10-20T16:16:59.067

Modified: 2026-10-20T16:16:59.067

Link: CVE-2025-71436

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.

Weaknesses