ALPINE-CVE-2022-43680

Advisory lineage Upstream: 1 Downstream: 0
Upstream
CVE-2022-43680
Published: 24 Oct 2022, 14:15
Last modified:15 Jun 2026, 18:18

Vulnerability Summary

Overall Risk (default)
medium
30/100
CVSS Score
7.5 HIGH
3.1 (osv_alpine)
EPSS Score
No data
KEV
Not listed
Ransomware
No reports
Public exploits
None found
Dark Web
Not detected

Timeline

24 Oct 2022, 14:15
Published
Vulnerability first disclosed
15 Jun 2026, 18:18
Last Modified
Vulnerability information updated

Description

In libexpat through 2.4.9, there is a use-after free caused by overeager destruction of a shared DTD in XML_ExternalEntityParserCreate in out-of-memory situations.

CVSS Metrics

  • v3.1•HIGH•Score: 7.5CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Affected Systems

  • alpine•expat

    < 2.2.10-r8 | < 2.5.0-r0 | < 2.5.0-r0 | < 2.5.0-r0 | < 2.5.0-r0 | < 2.5.0-r0 | < 2.5.0-r0 | < 2.5.0-r0 | < 2.5.0-r0 | < 2.5.0-r0 | < 2.5.0-r0 | < 2.5.0-r0

References (1)