VDB
ALPINE-CVE-2021-3537
ALPINE-CVE-2021-3537
PUBLISHED
CVSS 5.900000095367432 MEDIUM
A vulnerability found in libxml2 in versions before 2.9.11 shows that it did not propagate errors while parsing XML mixed content, causing a NULL dereference. If an untrusted XML document was parsed in recovery mode and post-validated, the flaw could be used to crash the application. The highest threat from this vulnerability is to system availability.
Risk Scores
CVSS 3.1
5.900000095367432
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Alpine:v3.24 | libxml2 | 0 |
| Alpine:v3.17 | libxml2 | 2.7.6-r1, 2.7.6-r2, 2.7.6-r3 |
| Alpine:v3.19 | libxml2 | 2.7.8-r4, 2.7.6-r1, 2.7.6-r2 |
| Alpine:v3.13 | libxml2 | 2.9.9-r3, 2.9.9-r2, 2.9.9-r1 |
| Alpine:v3.23 | libxml2 | 2.7.7-r0, 2.7.6-r0, 2.7.6-r2 |
| Alpine:v3.20 | libxml2 | 2.9.9-r1, 2.9.9-r0, 2.9.8-r2 |
| Alpine:v3.14 | libxml2 | 2.9.4-r1, 0, 2.9.9-r3 |
| Alpine:v3.21 | libxml2 | 2.9.8-r1, 2.7.2-r0, 2.7.3-r0 |
| Alpine:v3.11 | libxml2 | 0, 2.9.9-r3, 2.9.9-r2 |
| Alpine:v3.18 | libxml2 | 2.9.4-r4, 2.9.4-r3, 2.7.6-r2 |
| Alpine:v3.22 | libxml2 | 2.7.6-r1, 2.7.6-r2, 2.7.7-r0 |
| Alpine:v3.16 | libxml2 | 2.9.1-r2, 2.9.10-r0, 2.9.10-r2 |
| Alpine:v3.12 | libxml2 | 2.7.7-r4, 2.7.8-r0, 2.7.8-r1 |
| Alpine:v3.15 | libxml2 | 2.7.8-r6, 2.7.8-r8, 2.8.0-r0 |
| Alpine:v3.10 | libxml2 | 0, 2.9.9-r4, 2.9.9-r3 |
Timeline
- May 14, 2021 CVE Published
- Apr 30, 2026 Distribution Patch
- Jun 15, 2026 CVE Updated