DEBIAN-CVE-2022-25235

Advisory lineage Upstream: 1 Downstream: 2
Upstream
CVE-2022-25235
Published: 16 Feb 2022, 01:15
Last modified:28 Apr 2026, 20:24

Vulnerability Summary

Overall Risk (default)
high
70/100
CVSS Score
9.8 CRITICAL
3.1 (osv_debian)
EPSS Score
No data
KEV
Not listed
Ransomware
No reports
Public exploits
None found
Dark Web
Not detected

Timeline

16 Feb 2022, 01:15
Published
Vulnerability first disclosed
28 Apr 2026, 20:24
Last Modified
Vulnerability information updated

Description

xmltok_impl.c in Expat (aka libexpat) before 2.4.5 lacks certain validation of encoding, such as checks for whether a UTF-8 character is valid in a certain context.

CVSS Metrics

  • v3.1•CRITICAL•Score: 9.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected Systems

  • debian•expat

    < 2.2.10-2+deb11u2 | < 2.4.5-1 | < 2.4.5-1 | < 2.4.5-1

  • debian•libxmltok

    all | all

References (1)