Back to Database
Status published
Low
CVE-2025-66382
In libexpat through 2.7.3, a crafted file with an approximate...
Vulnerability Description
In libexpat through 2.7.3, a crafted file with an approximate size of 2 MiB can lead to dozens of seconds of processing time.
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
THREAT MONITOR
Am I Vulnerable?
Launch our assessment wizard to check if your infrastructure is exposed to • CVE-2025-66382
Credits & Attribution
No credits recorded in the NVD database.
More from libexpat project
View All →CVE-2025-59375
libexpat in Expat before 2.7.2 allows attackers to trigger large...
High
7.5
CVE-2022-43680
In libexpat through 2.4.9, there is a use-after free caused...
Unknown
0
CVE-2022-40674
libexpat before 2.4.9 has a use-after-free in the doContent function...
Unknown
0
CVE-2022-25315
In Expat (aka libexpat) before 2.4.5, there is an integer...
Unknown
0
CVE-2022-25314
In Expat (aka libexpat) before 2.4.5, there is an integer...
Unknown
0
Affected Vendor
libexpat project
View all reports →Affected Software
libexpat
Vulnerable Versions:
0
Timeline
Official Publish:
November 28th, 2025
Last Modified:
July 14th, 2026
Added to House:
July 22nd, 2026
CVSS Vectors
V3:
CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L
Weaknesses (CWE)
MITRE ATT&CK TTPs
No associated TTPs found for this vulnerability.