Cyber Resilience

CVE-2024-34402

High

Published: 03 May 2024

Published
03 May 2024
Modified
04 November 2025
KEV Added
Patch
CVSS Score v3.1 8.6 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:H
EPSS Score 0.0051 66.7th percentile
Risk Priority 18 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2024-34402 is a high-severity Integer Overflow or Wraparound (CWE-190) vulnerability in Fedoraproject Fedora. Its CVSS base score is 8.6 (High).

Operationally, exploitation aligns with the MITRE ATT&CK technique Exploitation for Privilege Escalation (T1068); ranked in the top 33.3% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog.

EU & UK References

Vulnerability details

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.

CWE(s)

Related Threats

MITRE ATT&CK Enterprise TechniquesAI

T1068 Exploitation for Privilege Escalation Privilege Escalation
Adversaries may exploit software vulnerabilities in an attempt to elevate privileges.
Why these techniques?

The integer overflow leading to buffer overflow in URI query composition enables exploitation for arbitrary code execution and privilege escalation.

Affected Assets

uriparser project
uriparser
≤ 0.9.7
fedoraproject
fedora
38, 39, 40

Mitigating Controls

No mitigating controls mapped yet. The per-CVE control annotator has not reached this CVE.

References