CVE-2022-23852
CRITICAL9.8EPSS 1.6%expat - security update
Published: 1/24/2022Modified: 4/28/2026
Description
Expat (aka libexpat) before 2.4.4 has a signed integer overflow in XML_GetBuffer, for configurations with a nonzero XML_CONTEXT_BYTES.
Affected packages (4)
- Alpine/expatfrom 0, < 2.2.10-r1
- Debian/expatfrom 0, < 2.2.10-2+deb11u1
- Debian/expatfrom 0, < 2.2.0-2+deb9u5
- Debian/libxmltokfrom 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 |