What is CVE-2024-50602?

CVE-2024-50602 is a medium-severity vulnerability in Libexpat Project, classified under Improper Check for Unusual or Exceptional Conditions. CVSS score: 5.9/10. Published 2024-10-27.

How severe is CVE-2024-50602?

Medium severity. CVSS v3 base score is 5.9 out of 10.

Is CVE-2024-50602 known to be exploited?

6 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Vulnerability in Libexpat Project

CVE-2024-50602

An issue was discovered in libexpat before 2.6.4. There is a crash within the XML_ResumeParser function because XML_StopParser can stop/suspend an unstarted parser.

Published 2024-10-27 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 5.9 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H.

EPSS exploit prediction

EPSS: 0.010 (62.4th percentile), scored 2026-09-29.

Low probability of exploitation in the next 30 days, but still tracked. 62nd percentile — 62.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.010 · newest: 0.010 · change: 0.000

Affected products

Weakness classification (CWE)

CWE-754 — Improper Check for Unusual or Exceptional Conditions

Public proof-of-concept exploits

References

github.com/libexpat/libexpat/pull/915 (Issue Tracking)
af854a3a-2127-422b-91ae-364da2661108 (Mailing List, Third Party Advisory)
af854a3a-2127-422b-91ae-364da2661108 (Third Party Advisory)

Frequently asked questions

What is CVE-2024-50602?: CVE-2024-50602 is a medium-severity vulnerability in Libexpat Project, classified under Improper Check for Unusual or Exceptional Conditions. CVSS score: 5.9/10. Published 2024-10-27.
How severe is CVE-2024-50602?: Medium severity. CVSS v3 base score is 5.9 out of 10.
Is CVE-2024-50602 known to be exploited?: 6 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.