Is CVE-2024-34403 in the CISA KEV catalog?

No. CVE-2024-34403 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2024-34403?

CVE-2024-34403 has a CVSS v3 base score of 5.9 (MEDIUM).

What is the EPSS score for CVE-2024-34403?

CVE-2024-34403 has an EPSS score of 1.32% (67th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2024-34403?

Upgrade uriparser on debian 13 to 0.9.8+dfsg-1 or later. Fixes are available for 3 affected products.

CVE & CISA-KEV Catalog

CVE-2024-34403

MEDIUM

5.9

CVSS v3

NVD

Description

An issue was discovered in uriparser through 0.9.7. ComposeQueryMallocExMm in UriQuery.c has an integer overflow via a long string.

CWE-190Integer Overflow

How to fix

Remediation Available

uriparserDebian

Fixed in:0.9.8+dfsg-1CVE-2024-34403

liburiparser1Ubuntu

Fixed in:0.7.5-1ubuntu2+esm4USN-7356-1

Fixed in:0.8.4-1ubuntu0.16.04.1~esm4USN-7356-1

Fixed in:0.8.4-1+deb9u2ubuntu0.1+esm1USN-7356-1

Fixed in:0.9.3-2ubuntu0.1~esm3USN-7356-1

Fixed in:0.9.6+dfsg-1ubuntu0.1~esm1USN-7356-1

Fixed in:0.9.7+dfsg-2ubuntu0.1~esm1USN-7356-1

uriparserUbuntu

Fixed in:0.7.5-1ubuntu2+esm4USN-7356-1

Fixed in:0.8.4-1ubuntu0.16.04.1~esm4USN-7356-1

Fixed in:0.8.4-1+deb9u2ubuntu0.1+esm1USN-7356-1

Fixed in:0.9.3-2ubuntu0.1~esm3USN-7356-1

Fixed in:0.9.6+dfsg-1ubuntu0.1~esm1USN-7356-1

Fixed in:0.9.7+dfsg-2ubuntu0.1~esm1USN-7356-1

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityHigh

Privileges RequiredNone

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityNone

IntegrityNone

AvailabilityHigh

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H

Exploit Intelligence

1.32%probability of exploitation in 30 days

67thpercentile

Moderate risk: more likely to be exploited than 67% of all known CVEs.

References

Patch1

github.com

Vendor Advisory1

github.com

Third-Party Advisory5

Other references2

Related Vulnerabilities

Other CWE-190 (Integer Overflow) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2020-16040	Medium	6.5	100%	-	Fix
CVE-2019-11477	High	7.5	99%	-	Fix
CVE-2023-44443	High	7.8	94%	-	Fix
CVE-2014-0569	High	9.3	90%	-	-
CVE-2017-3599	High	7.5	90%	-	Fix
CVE-2023-21716	Critical	9.8	82%	-	Fix

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2025-11-04.