High
lrzip — security advisory
An issue was discovered in lrzip version 0.641. There is a use-after-free in ucompthread() in stream.c:1538.
- Products
- lrzip
- Affected versions
- 0.651-2, 0.651-3, 0.660-1
- Fixed versions
- Not specified
- CVEs
- CVE-2021-33453
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 1 Nov 2026, 00:23 UTC · Revision 1
Source evidence
An issue was discovered in lrzip version 0.641. There is a use-after-free in ucompthread() in stream.c:1538.
osv:DEBIAN-CVE-2021-33453
lrzip
Fixed versions: Not specified
lrzip
Fixed versions: Not specified
lrzip
Fixed versions: Not specified
Complete source record
{
"id": "5de17dbf1ba241de967cd81162560b085edaaa54890bac3a62faea53796ac8aa",
"url": "https://osv.dev/vulnerability/DEBIAN-CVE-2021-33453",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "DEBIAN-CVE-2021-33453",
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"evidence": "osv:DEBIAN-CVE-2021-33453",
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"modified": "2026-10-23T18:03:14.760792388Z",
"provider": "osv",
"upstream": [
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"references": [
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},
"related_cves": [
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"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 420935,
"published_at": "2022-07-26T13:15:09.253+00:00"
}