CVE-2022-25235
expat - security update
9.8
CRITICAL
CVSS 3.1
EPSS 11.0%
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.
How to fix CVE-2022-25235
To remediate CVE-2022-25235, upgrade the affected package to a fixed version below.
- Alpine/expat—upgrade to 2.2.10-r2 or later
- Debian/expat—upgrade to 2.2.10-2+deb11u2 or later
- —upgrade to 2.2.6-2+deb10u3 or later
- —no fix listed
Is CVE-2022-25235 being exploited?
Moderate — EPSS is 11.0%. Track this CVE but it's not at the top of the prioritisation list.
Affected packages (4)
- from 0, < 2.2.10-r2
- from 0, < 2.2.10-2+deb11u2
- from 0, < 2.2.6-2+deb10u3
- from 0
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | CRITICAL9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |