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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

VendorProductVersions
Alpine:v3.21expat2.2.3-r0, 2.2.3-r1, 2.2.4-r0
Alpine:v3.15expat2.2.7-r1, 2.0.1-r6, 0
Alpine:v3.23expat2.2.5-r0, 2.2.6-r0, 2.2.7-r0
Alpine:v3.14expat2.2.1-r0, 2.0.1-r1, 2.0.1-r2
Alpine:v3.18expat2.0.1-r2, 2.0.1-r0, 0
Alpine:v3.20expat2.1.0-r1, 0, 2.0.1-r0
Alpine:v3.12expat2.1.1-r0, 0, 2.0.1-r0
Alpine:v3.19expat2.2.10-r0, 2.0.1-r1, 2.0.1-r2
Alpine:v3.17expat2.4.1-r0, 2.0.1-r0, 2.0.1-r3
Alpine:v3.22expat0, 2.4.2-r0, 2.4.1-r0
Alpine:v3.13expat2.2.10-r0, 2.2.7-r0, 2.0.1-r1
Alpine:v3.16expat2.2.2-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
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