CVE-2024-34402

HIGHNVD 8.68.6—

8.6

An issue was discovered in uriparser through 0.9.7. ComposeQueryEngine in UriQuery.c has an integer overflow via long keys or values, with a resultant buffer overflow.

CVSS v3: 8.6
EG Score: 8.6(medium)
EPSS: 66.6%
KEV: Not listed

Published

May 3, 2024

Last Modified

November 4, 2025

References (16)

cve@mitrehttp://www.openwall.com/lists/oss-security/2024/05/06/1
cve@mitrehttp://www.openwall.com/lists/oss-security/2024/05/06/3
cve@mitrehttps://github.com/uriparser/uriparser/issues/183
cve@mitrehttps://github.com/uriparser/uriparser/pull/185
cve@mitrehttps://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/5R36L762D3KX3GA66OOPWW7M7KKDRXDP/
cve@mitrehttps://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/CZ6KEUQXWCTYXGTBMZDD7CHJCYI52XY3/
cve@mitrehttps://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/UG4J7PD475LSCGCSHFU4GMU4TWLDSNW2/
af854a3a-2127-422b-91ae-364da2661108http://www.openwall.com/lists/oss-security/2024/05/06/1
af854a3a-2127-422b-91ae-364da2661108http://www.openwall.com/lists/oss-security/2024/05/06/3
af854a3a-2127-422b-91ae-364da2661108https://github.com/uriparser/uriparser/issues/183
af854a3a-2127-422b-91ae-364da2661108https://github.com/uriparser/uriparser/pull/185
af854a3a-2127-422b-91ae-364da2661108https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/5R36L762D3KX3GA66OOPWW7M7KKDRXDP/
af854a3a-2127-422b-91ae-364da2661108https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/CZ6KEUQXWCTYXGTBMZDD7CHJCYI52XY3/
af854a3a-2127-422b-91ae-364da2661108https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/UG4J7PD475LSCGCSHFU4GMU4TWLDSNW2/
af854a3a-2127-422b-91ae-364da2661108https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/5R36L762D3KX3GA66OOPWW7M7KKDRXDP/

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

CWE-190Integer Overflow or Wraparound

Frequently asked(5)

What is CVE-2024-34402?

CVE-2024-34402 is a high vulnerability published on May 3, 2024. An issue was discovered in uriparser through 0.9.7. ComposeQueryEngine in UriQuery.c has an integer overflow via long keys or values, with a resultant buffer overflow.

When was CVE-2024-34402 disclosed?

CVE-2024-34402 was first published in the National Vulnerability Database on May 3, 2024, with the most recent update on November 4, 2025. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2024-34402 actively exploited?

CVE-2024-34402 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 66.6% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2024-34402?

CVE-2024-34402 has a CVSS v3 base score of 8.6 (NVD).

How do I remediate CVE-2024-34402?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2024-34402, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

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CVE-2024-34402

📅 Published

🔄 Last Modified

🔗 References (16)

Weakness Classification(1)

❓ Frequently asked(5)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2024-34402?

CVE-2024-34402

📅 Published

🔄 Last Modified

🔗 References (16)

Weakness Classification(1)

❓ Frequently asked(5)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2024-34402?

Published

Last Modified

References (16)

Frequently asked(5)

Published

Last Modified

References (16)

Frequently asked(5)