CVE-2025-59375
21Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 7.5epss 1.3%
exploitation probability
1.3%top 33% of all CVEs
observed exploitation
nono source reports it
libexpat in Expat before 2.7.2 allows attackers to trigger large dynamic memory allocations via a small document that is submitted for parsing.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:H/RL:T/RC:C
Affected products
libexpat project · libexpatReferences
https://cert-portal.siemens.com/productcert/html/ssa-082556.htmlhttps://cert-portal.siemens.com/productcert/html/ssa-089022.htmlhttps://github.com/libexpat/libexpat/blob/676a4c531ec768732fac215da9730b5f50fbd2bf/expat/Changes#L45-L74https://github.com/libexpat/libexpat/blob/R_2_7_2/expat/Changeshttps://github.com/libexpat/libexpat/issues/1018https://github.com/libexpat/libexpat/pull/1034https://issues.oss-fuzz.com/issues/439133977http://www.openwall.com/lists/oss-security/2025/09/16/2http://www.openwall.com/lists/oss-security/2026/05/01/5