Critical
Security advisory
openssl_x509_check_email in lua-openssl 0.7.7-1 mishandles X.509 certificate validation because it uses lua_pushboolean for certain non-boolean return values.
- Products
- Not specified
- Affected versions
- Not specified
- Fixed versions
- Not specified
- CVEs
- CVE-2020-9433
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 31 Oct 2026, 12:42 UTC · Revision 1
Source evidence
openssl_x509_check_email in lua-openssl 0.7.7-1 mishandles X.509 certificate validation because it uses lua_pushboolean for certain non-boolean return values.
osv:CVE-2020-9433
Complete source record
{
"id": "8d7278e9d71a8db24e5bdd17333b1bbdfd901d4a9e38aa789effb9aafed2b34f",
"url": "https://osv.dev/vulnerability/CVE-2020-9433",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "CVE-2020-9433",
"summary": "openssl_x509_check_email in lua-openssl 0.7.7-1 mishandles X.509 certificate validation because it uses lua_pushboolean for certain non-boolean return values.",
"evidence": "osv:CVE-2020-9433",
"products": [],
"severity": "critical",
"structured": {
"id": "CVE-2020-9433",
"aliases": [
"CVE-2020-9433"
],
"metrics": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N"
}
],
"affected": [
{
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"type": "GIT",
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{
"fixed": "a6dc186dd4b6b9e329a93cca3e7e3cfccfdf3cca"
}
],
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"cpe": "cpe:2.3:a:lua-openssl_project:lua-openssl:0.7.7-1:*:*:*:*:*:*:*",
"range": [
{
"introduced": "0.7.7-1"
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{
"range": [
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"source": "REFERENCES_COMMIT"
}
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}
}
],
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"modified": "2026-10-20T14:15:09.566888286Z",
"provider": "osv",
"references": [
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"related_cves": [
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"evidence": "/id"
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},
"source_id": "core-osv",
"document_id": 388769,
"published_at": "2020-02-27T23:15:13.187+00:00"
}