VDB
ALPINE-CVE-2021-46143
ALPINE-CVE-2021-46143
PUBLISHED
CVSS 7.800000190734863 HIGH
In doProlog in xmlparse.c in Expat (aka libexpat) before 2.4.3, an integer overflow exists for m_groupSize.
Risk Scores
CVSS v3.1
7.800000190734863
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Alpine:v3.21 | expat | 2.2.3-r0, 2.2.3-r1, 2.2.4-r0 |
| Alpine:v3.15 | expat | 2.2.7-r1, 2.0.1-r6, 0 |
| Alpine:v3.23 | expat | 2.2.5-r0, 2.2.6-r0, 2.2.7-r0 |
| Alpine:v3.14 | expat | 2.2.1-r0, 2.0.1-r1, 2.0.1-r2 |
| Alpine:v3.18 | expat | 2.0.1-r2, 2.0.1-r0, 0 |
| Alpine:v3.20 | expat | 2.1.0-r1, 0, 2.0.1-r0 |
| Alpine:v3.12 | expat | 2.1.1-r0, 0, 2.0.1-r0 |
| Alpine:v3.19 | expat | 2.2.10-r0, 2.0.1-r1, 2.0.1-r2 |
| Alpine:v3.17 | expat | 2.4.1-r0, 2.0.1-r0, 2.0.1-r3 |
| Alpine:v3.22 | expat | 0, 2.4.2-r0, 2.4.1-r0 |
| Alpine:v3.13 | expat | 2.2.10-r0, 2.2.7-r0, 2.0.1-r1 |
| Alpine:v3.16 | expat | 2.2.2-r0, 2.2.10-r1, 2.2.10-r0 |
Timeline
- Jan 6, 2022 CVE Published
- Dec 3, 2025 CVE Updated
- Apr 30, 2026 Distribution Patch