MediumFix available
gnutls — security advisory
A vulnerability was found that the response times to malformed ciphertexts in RSA-PSK ClientKeyExchange differ from response times of ciphertexts with correct PKCS#1 v1.5 padding.
- Products
- gnutls
- Affected versions
- Not specified
- Fixed versions
- 3.8.3-r0
- CVEs
- CVE-2023-5981
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 1 Nov 2026, 15:07 UTC · Revision 1
Source evidence
A vulnerability was found that the response times to malformed ciphertexts in RSA-PSK ClientKeyExchange differ from response times of ciphertexts with correct PKCS#1 v1.5 padding.
osv:ALPINE-CVE-2023-5981
gnutls
Fixed versions: 3.8.3-r0
gnutls
Fixed versions: 3.8.3-r0
gnutls
Fixed versions: 3.8.3-r0
gnutls
Fixed versions: 3.8.3-r0
gnutls
Fixed versions: 3.8.3-r0
gnutls
Fixed versions: 3.8.3-r0
gnutls
Fixed versions: 3.8.3-r0
Complete source record
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"id": "9bcd321c642fcf15900e2d571ee349df1efe1d1201c96e5bd7c873f4f6b4d768",
"url": "https://osv.dev/vulnerability/ALPINE-CVE-2023-5981",
"method": "structured",
"payload": {
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"title": "ALPINE-CVE-2023-5981",
"summary": "A vulnerability was found that the response times to malformed ciphertexts in RSA-PSK ClientKeyExchange differ from response times of ciphertexts with correct PKCS#1 v1.5 padding.",
"evidence": "osv:ALPINE-CVE-2023-5981",
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"package": {
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"package": {
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"package": {
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"ecosystem": "Alpine:v3.24"
},
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],
"modified": "2026-10-26T17:17:58.668279101Z",
"provider": "osv",
"upstream": [
"CVE-2023-5981"
],
"references": [
"https://security.alpinelinux.org/vuln/CVE-2023-5981"
]
},
"related_cves": [
{
"value": "CVE-2023-5981",
"evidence": "/upstream"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 454590,
"published_at": "2023-11-28T12:15:07.04+00:00"
}