DEBIAN-CVE-2021-46143

Advisory lineage Upstream: 1 Downstream: 2
Upstream
CVE-2021-46143
Published: 06 Jan 2022, 04:15
Last modified:28 Apr 2026, 20:23

Vulnerability Summary

Overall Risk (default)
medium
31/100
CVSS Score
7.8 HIGH
3.1 (osv_debian)
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
28 Apr 2026, 20:23
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

  • debian•expat

    < 2.2.10-2+deb11u1 | < 2.4.3-1 | < 2.4.3-1 | < 2.4.3-1

  • debian•libxmltok

    all | all

References (1)