CVE-2025-59375
HIGHlibexpat < 2.7.2 - Denial of Service via Large Dynamic Memory Allocation
Title source: llmDescription
libexpat in Expat before 2.7.2 allows attackers to trigger large dynamic memory allocations via a small document that is submitted for parsing.
References (9)
Core 9
Core References
Exploit, Issue Tracking
https://github.com/libexpat/libexpat/issues/1018
Issue Tracking
https://github.com/libexpat/libexpat/pull/1034
Exploit, Issue Tracking
https://issues.oss-fuzz.com/issues/439133977
Vendor Advisory
https://cert-portal.siemens.com/productcert/html/ssa-082556.html
Vendor Advisory
https://cert-portal.siemens.com/productcert/html/ssa-089022.html
Scores
CVSS v3
7.5
EPSS
0.0124
EPSS Percentile
65.2%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CISA SSVC
Vulnrichment
Exploitation
none
Automatable
no
Technical Impact
partial
Details
CWE
CWE-770
Status
published
Products (2)
libexpat project/libexpat
< 2.7.2
libexpat_project/libexpat
< 2.7.2
Published
Sep 15, 2025
Tracked Since
Feb 18, 2026