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 v3.1
5.900000095367432
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H

Affected Products

VendorProductVersions
Alpine:v3.17libxml22.7.2-r0, 2.7.6-r0, 2.7.6-r1
Alpine:v3.19libxml22.7.7-r2, 2.7.2-r0, 2.7.6-r0
Alpine:v3.13libxml22.9.9-r3, 2.9.9-r2, 2.9.9-r1
Alpine:v3.23libxml22.7.6-r1, 2.7.3-r0, 2.7.6-r0
Alpine:v3.20libxml22.9.9-r3, 2.9.9-r2, 2.9.9-r1
Alpine:v3.14libxml22.9.9-r3, 2.9.9-r2, 2.9.9-r1
Alpine:v3.21libxml22.9.8-r1, 2.7.2-r0, 2.7.3-r0
Alpine:v3.11libxml22.9.9-r3, 2.9.9-r2, 2.9.9-r1
Alpine:v3.18libxml22.9.4-r4, 2.9.4-r3, 2.7.6-r2
Alpine:v3.22libxml22.7.6-r0, 2.7.6-r1, 2.7.6-r2
Alpine:v3.16libxml22.9.0-r3, 2.9.10-r0, 2.9.10-r2
Alpine:v3.12libxml22.7.7-r2, 2.7.7-r4, 2.7.8-r0
Alpine:v3.15libxml22.9.10-r3, 2.7.8-r6, 2.7.8-r7
Alpine:v3.10libxml22.9.9-r4, 2.9.9-r3, 2.9.9-r2

Timeline

  • May 14, 2021 CVE Published
  • Dec 3, 2025 CVE Updated
  • Apr 30, 2026 Distribution Patch
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