VDB
ALPINE-CVE-2022-29824
ALPINE-CVE-2022-29824
PUBLISHED
CVSS 6.5 MEDIUM
In libxml2 before 2.9.14, several buffer handling functions in buf.c (xmlBuf*) and tree.c (xmlBuffer*) don't check for integer overflows. This can result in out-of-bounds memory writes. Exploitation requires a victim to open a crafted, multi-gigabyte XML file. Other software using libxml2's buffer functions, for example libxslt through 1.1.35, is affected as well.
Risk Scores
CVSS v3.1
6.5
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Alpine:v3.13 | libxml2 | 2.9.9-r3, 2.9.9-r2, 2.9.9-r1 |
| Alpine:v3.18 | libxml2 | 2.9.2-r1, 2.9.2-r0, 2.9.12-r3 |
| Alpine:v3.23 | libxml2 | 2.9.10-r3, 2.9.9-r3, 2.9.12-r0 |
| Alpine:v3.23 | libxslt | 0, 0, 0 |
| Alpine:v3.18 | libxslt | 0, 0, 0 |
| Alpine:v3.16 | libxslt | 0, 0, 0 |
| Alpine:v3.20 | libxslt | 0, 0, 0 |
| Alpine:v3.21 | libxml2 | 2.9.10-r2, 2.9.9-r3, 2.9.9-r2 |
| Alpine:v3.22 | libxml2 | 2.7.6-r3, 2.7.7-r1, 2.9.10-r4 |
| Alpine:v3.15 | libxml2 | 2.9.0-r1, 0, 2.7.2-r0 |
| Alpine:v3.21 | libxslt | 0, 0, 0 |
| Alpine:v3.17 | libxml2 | 2.7.8-r6, 2.7.8-r7, 2.7.8-r8 |
| Alpine:v3.17 | libxslt | 0, 0, 0 |
| Alpine:v3.14 | libxml2 | 2.7.8-r7, 2.9.9-r3, 2.9.9-r2 |
| Alpine:v3.19 | libxslt | 0, 0, 0 |
| Alpine:v3.20 | libxml2 | 0, 2.7.2-r0, 2.7.3-r0 |
| Alpine:v3.19 | libxml2 | 2.7.8-r2, 2.9.4-r4, 2.9.5-r0 |
| Alpine:v3.12 | libxml2 | 2.9.9-r3, 2.9.9-r2, 2.9.9-r1 |
| Alpine:v3.16 | libxml2 | 2.9.4-r3, 2.9.4-r4, 2.9.5-r0 |
| Alpine:v3.22 | libxslt | 0, 0, 0 |
Timeline
- May 3, 2022 CVE Published
- Dec 3, 2025 CVE Updated
- Apr 30, 2026 Distribution Patch