HighFix available
curl — security advisory
libcurl provides the `CURLOPT_CERTINFO` option to allow applications torequest details to be returned about a server's certificate chain.Due to an erroneous function, a malicious server could make libcurl built withNSS get stuck in a never-ending busy-loop when trying to retrieve thatinformation.
- Products
- curl
- Affected versions
- Not specified
- Fixed versions
- 7.79.1-r2, 7.80.0-r2, 7.83.1-r0
- CVEs
- CVE-2022-27781
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 30 Oct 2026, 14:11 UTC · Revision 1
Source evidence
libcurl provides the `CURLOPT_CERTINFO` option to allow applications torequest details to be returned about a server's certificate chain.Due to an erroneous function, a malicious server could make libcurl built withNSS get stuck in a never-ending busy-loop when trying to retrieve thatinformation.
osv:ALPINE-CVE-2022-27781
curl
Fixed versions: 7.79.1-r2
curl
Fixed versions: 7.79.1-r2
curl
Fixed versions: 7.80.0-r2
curl
Fixed versions: 7.83.1-r0
curl
Fixed versions: 7.83.1-r0
curl
Fixed versions: 7.83.1-r0
curl
Fixed versions: 7.83.1-r0
curl
Fixed versions: 7.83.1-r0
curl
Fixed versions: 7.83.1-r0
curl
Fixed versions: 7.83.1-r0
curl
Fixed versions: 7.83.1-r0
curl
Fixed versions: 7.83.1-r0
Complete source record
{
"id": "17d7cd3b88bbb01bc9936e4ead37eeb95d3edd2ccb5002929ebacbfbbf499ba0",
"url": "https://osv.dev/vulnerability/ALPINE-CVE-2022-27781",
"method": "structured",
"payload": {
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"title": "ALPINE-CVE-2022-27781",
"summary": "libcurl provides the `CURLOPT_CERTINFO` option to allow applications torequest details to be returned about a server's certificate chain.Due to an erroneous function, a malicious server could make libcurl built withNSS get stuck in a never-ending busy-loop when trying to retrieve thatinformation.",
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"severity": "high",
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"aliases": [
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"metrics": [
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"type": "CVSS_V3",
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"
}
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"affected": [
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],
"modified": "2026-10-15T07:17:54.194454329Z",
"provider": "osv",
"upstream": [
"CVE-2022-27781"
],
"references": [
"https://security.alpinelinux.org/vuln/CVE-2022-27781"
]
},
"related_cves": [
{
"value": "CVE-2022-27781",
"evidence": "/upstream"
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],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 321806,
"published_at": "2022-06-02T14:15:44.467+00:00"
}