HighFix available
p11-kit — security advisory
An issue was discovered in p11-kit 0.23.6 through 0.23.21. A heap-based buffer overflow has been discovered in the RPC protocol used by p11-kit server/remote commands and the client library. When the remote entity supplies a serialized byte array in a CK_ATTRIBUTE, the receiving entity may not allocate sufficient length for the buffer to store the deserialized value.
- Products
- p11-kit
- Affected versions
- Not specified
- Fixed versions
- 0.23.16.1-r1, 0.23.18.1-r1, 0.23.22-r0
- CVEs
- CVE-2020-29363
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 1 Nov 2026, 12:09 UTC · Revision 1
Source evidence
An issue was discovered in p11-kit 0.23.6 through 0.23.21. A heap-based buffer overflow has been discovered in the RPC protocol used by p11-kit server/remote commands and the client library. When the remote entity supplies a serialized byte array in a CK_ATTRIBUTE, the receiving entity may not allocate sufficient length for the buffer to store the deserialized value.
osv:ALPINE-CVE-2020-29363
p11-kit
Fixed versions: 0.23.16.1-r1
p11-kit
Fixed versions: 0.23.18.1-r1
p11-kit
Fixed versions: 0.23.22-r0
p11-kit
Fixed versions: 0.23.22-r0
p11-kit
Fixed versions: 0.23.22-r0
p11-kit
Fixed versions: 0.23.22-r0
p11-kit
Fixed versions: 0.23.22-r0
p11-kit
Fixed versions: 0.23.22-r0
p11-kit
Fixed versions: 0.23.22-r0
p11-kit
Fixed versions: 0.23.22-r0
p11-kit
Fixed versions: 0.23.22-r0
p11-kit
Fixed versions: 0.23.22-r0
p11-kit
Fixed versions: 0.23.22-r0
p11-kit
Fixed versions: 0.23.22-r0
p11-kit
Fixed versions: 0.23.22-r0
Complete source record
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"modified": "2026-10-26T11:17:55.167238921Z",
"provider": "osv",
"upstream": [
"CVE-2020-29363"
],
"references": [
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]
},
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{
"value": "CVE-2020-29363",
"evidence": "/upstream"
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],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 450601,
"published_at": "2020-12-16T14:15:12.84+00:00"
}