Resource exhaustion in Libexpat Project
CVE-2025-59375
libexpat in Expat before 2.7.2 allows attackers to trigger large dynamic memory allocations via a small document that is submitted for parsing.
EPSS: 0.001 (27.5th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
Affected products
- Libexpat Project — versions 0
- Libexpat_project Libexpat
Weakness classification (CWE)
Public proof-of-concept exploits
References
- cve@mitre.org (Exploit, Issue Tracking)
- cve@mitre.org (Issue Tracking)
- cve@mitre.org (Product)
- cve@mitre.org (Exploit, Issue Tracking)
- cve@mitre.org (Product)
- af854a3a-2127-422b-91ae-364da2661108
- af854a3a-2127-422b-91ae-364da2661108
- 0b142b55-0307-4c5a-b3c9-f314f3fb7c5e
- 0b142b55-0307-4c5a-b3c9-f314f3fb7c5e
Frequently asked questions
- What is CVE-2025-59375?
- CVE-2025-59375 is a high-severity vulnerability in Libexpat Project, classified under Allocation of Resources Without Limits or Throttling. CVSS score: 7.5/10. Published 2025-09-15.
- How severe is CVE-2025-59375?
- High severity. CVSS v3 base score is 7.5 out of 10.
- Is CVE-2025-59375 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.