How severe is CVE-2024-34402?

CVE-2024-34402 has a CVSS 3.x base score of 8.6, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability high.

Is CVE-2024-34402 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (65th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2024-34402?

CVE-2024-34402 primarily affects Uriparser Project Uriparser. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2024-34402?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

Does CVE-2024-34402 have an EU (EUVD) identifier?

Yes. CVE-2024-34402 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-34767.

When was CVE-2024-34402 published?

CVE-2024-34402 was published on 2024-05-03 and last updated on 2026-06-17.

CVE-2024-34402

CVE-2024-34402 is a high-severity vulnerability in Uriparser Project Uriparser with a CVSS 3.x base score of 8.6. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-190.

Key facts

Severity: High (CVSS 3.x base score 8.6)
EPSS exploit prediction: 1% (65th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2024-34767
Weakness: CWE-190
Affected product: Uriparser Project Uriparser
Published: 2024-05-03
Last modified: 2026-06-17

Description

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.

Frequently asked questions

What is CVE-2024-34402?: 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.
How severe is CVE-2024-34402?: CVE-2024-34402 has a CVSS 3.x base score of 8.6, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability high.
Is CVE-2024-34402 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (65th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2024-34402?: CVE-2024-34402 primarily affects Uriparser Project Uriparser. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2024-34402?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
Does CVE-2024-34402 have an EU (EUVD) identifier?: Yes. CVE-2024-34402 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-34767.
When was CVE-2024-34402 published?: CVE-2024-34402 was published on 2024-05-03 and last updated on 2026-06-17.

References

Affected products (4)

cpe:2.3:a:uriparser_project:uriparser:*:*:*:*:*:*:*:*
cpe:2.3:o:fedoraproject:fedora:38:*:*:*:*:*:*:*
cpe:2.3:o:fedoraproject:fedora:39:*:*:*:*:*:*:*
cpe:2.3:o:fedoraproject:fedora:40:*:*:*:*:*:*:*

More vulnerabilities in Uriparser Project Uriparser

CVE-2018-20721 — Critical (CVSS 9.8): URI_FUNC() in UriParse.c in uriparser before 0.9.1 has an out-of-bounds read (in uriParse*Ex* functions) for an…
CVE-2018-19199 — Critical (CVSS 9.8): An issue was discovered in uriparser before 0.9.0. UriQuery.c allows an integer overflow via a uriComposeQuery* or…
CVE-2018-19198 — Critical (CVSS 9.8): An issue was discovered in uriparser before 0.9.0. UriQuery.c allows an out-of-bounds write via a uriComposeQuery* or…
CVE-2018-19200 — High (CVSS 7.5): An issue was discovered in uriparser before 0.9.0. UriCommon.c allows attempted operations on NULL input via a…
CVE-2024-34403 — Medium (CVSS 5.9): An issue was discovered in uriparser through 0.9.7. ComposeQueryMallocExMm in UriQuery.c has an integer overflow via a…
CVE-2021-46142 — Medium (CVSS 5.5): An issue was discovered in uriparser before 0.9.6. It performs invalid free operations in uriNormalizeSyntax.

All CVEs affecting Uriparser Project Uriparser →

Other CWE-190 (Integer Overflow or Wraparound) vulnerabilities

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CVE-2025-64721 — Critical (CVSS 10.0): Sandboxie is a sandbox-based isolation software for 32-bit and 64-bit Windows NT-based operating systems. In versions…
CVE-2015-5108 — Critical (CVSS 10.0): Integer overflow in Adobe Reader and Acrobat 10.x before 10.1.15 and 11.x before 11.0.12, Acrobat and Acrobat Reader DC…
CVE-2015-5097 — Critical (CVSS 10.0): Integer overflow in Adobe Reader and Acrobat 10.x before 10.1.15 and 11.x before 11.0.12, Acrobat and Acrobat Reader DC…
CVE-2013-2555 — Critical (CVSS 10.0): Integer overflow in Adobe Flash Player before 10.3.183.75 and 11.x before 11.7.700.169 on Windows and Mac OS X, before…

Browse all CWE-190 (Integer Overflow or Wraparound) vulnerabilities →