Description
libexpat before 2.8.0 uses insufficient entropy, and thus hash flooding can occur via a crafted XML document.
Scores
CVSS v3
2.9
EPSS
0.0003
EPSS Percentile
9.5%
Attack Vector
LOCAL
CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L
CISA SSVC
Vulnrichment
Exploitation
none
Automatable
no
Technical Impact
partial
Details
CWE
CWE-331
Status
published
Products (3)
libexpat project/libexpat
< 2.7.6
libexpat project/libexpat
< 2.8.0
libexpat_project/libexpat
< 2.7.6
Published
Apr 16, 2026
Tracked Since
Apr 16, 2026