CVE-2025-71436 Raptor RDF Syntax Library - Buffer Overflow

Raptor RDF Syntax Library 2.0.15 through 2.0.16 contains a heap-based buffer overflow caused by truncating language tag length to an unsigned char in raptor_new_term_from_counted_literal(), letting attackers supply long language tags to corrupt memory and possibly execute code.

CVSS base score 7.1 /10
High
CISA KEV
Not listed
Public exploit
None known
Authentication
Not required
View the NVD record ↗

Details

Type
Buffer Overflow
Impact
Remote Code Execution, Denial Of Service
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:H
Published
20 October 2026
Updated
21 October 2026
Weakness
CWE-122

Vendor fix

Update to a version later than 2.0.16 or the latest available version.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

References

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