ALPINE-CVE-2021-46143
Advisory lineage Upstream: 1 Downstream: 0
Upstream
Published: 06 Jan 2022, 04:15
Last modified:03 Dec 2025, 22:49
Vulnerability Summary
Overall Risk (default)
medium
31/100 CVSS Score
7.8 HIGH
3.1 (osv_alpine)
EPSS Score
No data
KEV
Not listed
Ransomware
No reports
Public exploits
None found
Dark Web
Not detected
Timeline
06 Jan 2022, 04:15
Published
Vulnerability first disclosed
03 Dec 2025, 22:49
Last Modified
Vulnerability information updated
Description
In doProlog in xmlparse.c in Expat (aka libexpat) before 2.4.3, an integer overflow exists for m_groupSize.
CVSS Metrics
- v3.1•HIGH•Score: 7.8CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Affected Systems
- alpine•expat
< 2.2.10-r0 | < 2.2.10-r2 | < 2.4.3-r0 | < 2.4.3-r0 | < 2.4.3-r0 | < 2.4.3-r0 | < 2.4.3-r0 | < 2.4.3-r0 | < 2.4.3-r0 | < 2.4.3-r0 | < 2.4.3-r0 | < 2.4.3-r0