CVE-2022-23990
7.5
HIGH
CVSS 3.1
EPSS 3.7%
Description
Expat (aka libexpat) before 2.4.4 has an integer overflow in the doProlog function.
How to fix CVE-2022-23990
To remediate CVE-2022-23990, upgrade the affected package to a fixed version below.
- Alpine/expat—upgrade to 2.2.10-r1 or later
- Debian/expat—upgrade to 2.2.10-2+deb11u1 or later
- Debian/libxmltok—no fix listed
Is CVE-2022-23990 being exploited?
Low — EPSS is 3.7%, meaning exploitation activity has not been observed at scale.
Affected packages (3)
- from 0, < 2.2.10-r1
- from 0, < 2.2.10-2+deb11u1
- from 0
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | HIGH7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |