HighFix available
openssl, openssl3 — security advisory
If an X.509 certificate contains a malformed policy constraint and policy processing is enabled, then a write lock will be taken twice recursively. On some operating systems (most widely: Windows) this results in a denial of service when the affected process hangs. Policy processing being enabled on a publicly facing server is not considered to be a common setup. Policy processing is enabled by passing the `-policy' argument to the command line utilities or by calling the `X509_VERIFY_PARAM_set1_policies()' function. Update (31 March 2023): The description of the policy processing enablement was corrected based on CVE-2023-0466.
- Products
- openssl, openssl3
- Affected versions
- Not specified
- Fixed versions
- 3.0.7-r2, 3.0.8-r0
- CVEs
- CVE-2022-3996
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 30 Oct 2026, 14:17 UTC · Revision 1
Source evidence
If an X.509 certificate contains a malformed policy constraint and policy processing is enabled, then a write lock will be taken twice recursively. On some operating systems (most widely: Windows) this results in a denial of service when the affected process hangs. Policy processing being enabled on a publicly facing server is not considered to be a common setup. Policy processing is enabled by passing the `-policy' argument to the command line utilities or by calling the `X509_VERIFY_PARAM_set1_policies()' function. Update (31 March 2023): The description of the policy processing enablement was corrected based on CVE-2023-0466.
osv:ALPINE-CVE-2022-3996
openssl
Fixed versions: 3.0.7-r2
openssl
Fixed versions: 3.0.7-r2
openssl
Fixed versions: 3.0.7-r2
openssl
Fixed versions: 3.0.7-r2
openssl
Fixed versions: 3.0.7-r2
openssl
Fixed versions: 3.0.7-r2
openssl
Fixed versions: 3.0.7-r2
openssl
Fixed versions: 3.0.7-r2
openssl3
Fixed versions: 3.0.8-r0
openssl3
Fixed versions: 3.0.8-r0
Complete source record
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"method": "structured",
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"summary": "If an X.509 certificate contains a malformed policy constraint and policy processing is enabled, then a write lock will be taken twice recursively. On some operating systems (most widely: Windows) this results in a denial of service when the affected process hangs. Policy processing being enabled on a publicly facing server is not considered to be a common setup. Policy processing is enabled by passing the `-policy' argument to the command line utilities or by calling the `X509_VERIFY_PARAM_set1_policies()' function. Update (31 March 2023): The description of the policy processing enablement was corrected based on CVE-2023-0466.",
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"severity": "high",
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"aliases": [
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"metrics": [
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],
"modified": "2026-10-15T07:17:54.246930942Z",
"provider": "osv",
"upstream": [
"CVE-2022-3996"
],
"references": [
"https://security.alpinelinux.org/vuln/CVE-2022-3996"
]
},
"related_cves": [
{
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"evidence": "/upstream"
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],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 321952,
"published_at": "2022-12-13T16:15:22.007+00:00"
}