CVE-2024-57823: In Raptor RDF Syntax Library through 2.0.16, there is an integer underflow when normalizing a URI with the tur

Q: How do I fix CVE-2024-57823?

raptor rdf syntax library: upgrade to newer than 2.0.16. Exact commands for each OS are on this page.

Q: Is CVE-2024-57823 being exploited?

CVE-2024-57823 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2024-57823 affect?

CVE-2024-57823 affects raptor rdf syntax library. Severity is critical (CVSS 9.3). In Raptor RDF Syntax Library through 2.0.16, there is an integer underflow when normalizing a URI with the turtle parser in raptor_uri_normalize_path().

Q: How urgent is CVE-2024-57823?

Priority 45/100. Critical severity; Public exploit reference

This month

CRITICAL 9.3UPGRADE

CVE-2024-57823 is a critical-severity flaw (CVSS 9.3) affecting raptor rdf syntax library. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

In Raptor RDF Syntax Library through 2.0.16, there is an integer underflow when normalizing a URI with the turtle parser in raptor_uri_normalize_path().

Why this priority

Critical severity
Public exploit reference

A fixed release or distro patch exists.

Risk facts

CVSS score	9.3 (Critical)
Attack vector	Local
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	0.3% (top 72%)
CISA exploited list	No
Weakness	CWE-191
Published	2025-01-10
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: librdf

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2025-01-10 13:15 UTCPublished CVE record published
2026-06-17 08:14 UTCUpdated Record last modified

librdf raptor rdf syntax library UPGRADE

Affected: <= 2.0.16

Fixed in: newer than 2.0.16

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy raptor-rdf-syntax-library || rpm -q raptor-rdf-syntax-library || raptor-rdf-syntax-library --version

2. UPGRADE to newer than 2.0.16 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade raptor-rdf-syntax-library

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade raptor-rdf-syntax-library

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2024-57823?

raptor rdf syntax library: upgrade to newer than 2.0.16. Exact commands for each OS are on this page.

Is CVE-2024-57823 being exploited?

CVE-2024-57823 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2024-57823 affect?

CVE-2024-57823 affects raptor rdf syntax library. Severity is critical (CVSS 9.3). In Raptor RDF Syntax Library through 2.0.16, there is an integer underflow when normalizing a URI with the turtle parser in raptor_uri_normalize_path().

How urgent is CVE-2024-57823?

Priority 45/100. Critical severity; Public exploit reference

Related CVEs

CVE-2024-57822 MEDIUM 4.0 UPGRADE In Raptor RDF Syntax Library through 2.0.16, there is a heap-based buffer over-read when parsing triples with

References

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