HighFix available
expat — security advisory
In doProlog in xmlparse.c in Expat (aka libexpat) before 2.4.3, an integer overflow exists for m_groupSize.
- Products
- expat
- Affected versions
- Not specified
- Fixed versions
- 2.2.10-r0, 2.2.10-r2, 2.4.3-r0
- CVEs
- CVE-2021-46143
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 31 Oct 2026, 22:07 UTC · Revision 1
Source evidence
In doProlog in xmlparse.c in Expat (aka libexpat) before 2.4.3, an integer overflow exists for m_groupSize.
osv:ALPINE-CVE-2021-46143
expat
Fixed versions: 2.2.10-r0
expat
Fixed versions: 2.2.10-r2
expat
Fixed versions: 2.4.3-r0
expat
Fixed versions: 2.4.3-r0
expat
Fixed versions: 2.4.3-r0
expat
Fixed versions: 2.4.3-r0
expat
Fixed versions: 2.4.3-r0
expat
Fixed versions: 2.4.3-r0
expat
Fixed versions: 2.4.3-r0
expat
Fixed versions: 2.4.3-r0
expat
Fixed versions: 2.4.3-r0
expat
Fixed versions: 2.4.3-r0
expat
Fixed versions: 2.4.3-r0
Complete source record
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"modified": "2026-10-23T17:17:56.230389404Z",
"provider": "osv",
"upstream": [
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"references": [
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