VDB
ALPINE-CVE-2022-25235
ALPINE-CVE-2022-25235
PUBLISHED
CVSS 9.800000190734863 CRITICAL
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.
Risk Scores
CVSS v3.1
9.800000190734863
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Alpine:v3.22 | expat | 2.4.4-r0, 2.1.0-r2, 2.1.1-r0 |
| Alpine:v3.12 | expat | 2.0.1-r2, 2.0.1-r3, 2.0.1-r4 |
| Alpine:v3.20 | expat | 2.4.4-r0, 0, 2.0.1-r0 |
| Alpine:v3.17 | expat | 2.2.4-r0, 2.4.4-r0, 2.4.3-r0 |
| Alpine:v3.15 | expat | 2.0.1-r1, 0, 2.0.1-r0 |
| Alpine:v3.23 | expat | 2.2.7-r1, 2.2.7-r0, 2.2.6-r0 |
| Alpine:v3.14 | expat | 2.2.10-r0, 0, 2.0.1-r0 |
| Alpine:v3.16 | expat | 2.2.0-r1, 2.4.4-r0, 2.4.3-r0 |
| Alpine:v3.19 | expat | 0, 2.0.1-r2, 2.0.1-r3 |
| Alpine:v3.21 | expat | 2.2.10-r0, 0, 2.0.1-r1 |
| Alpine:v3.13 | expat | 2.2.10-r0, 2.0.1-r6, 2.2.9-r1 |
| Alpine:v3.18 | expat | 2.4.4-r0, 2.2.7-r1, 2.2.7-r0 |
Timeline
- Feb 16, 2022 CVE Published
- Dec 3, 2025 CVE Updated
- Apr 30, 2026 Distribution Patch