UnratedFix available
openssl11: Fix of CVE-2026-45447
Type: advisorySources: OSV
- CVE-2026-45447: fix use-after-free of a caller-owned BIO in PKCS7_verify() when the SignedData digestAlgorithms field is an empty ASN.1 SET
- Products
- openssl11, openssl11-devel, openssl11-libs, openssl11-static
- Affected versions
- Not specified
- Fixed versions
- 1:1.1.1k-7.el7.tuxcare.els3
- CVEs
- CVE-2026-45447
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 1 Nov 2026, 11:02 UTC · Revision 1
Source evidence
- CVE-2026-45447: fix use-after-free of a caller-owned BIO in PKCS7_verify() when the SignedData digestAlgorithms field is an empty ASN.1 SET
osv:CLSA-2026-1786005006
openssl11
Fixed versions: 1:1.1.1k-7.el7.tuxcare.els3
openssl11-devel
Fixed versions: 1:1.1.1k-7.el7.tuxcare.els3
openssl11-libs
Fixed versions: 1:1.1.1k-7.el7.tuxcare.els3
openssl11-static
Fixed versions: 1:1.1.1k-7.el7.tuxcare.els3
Complete source record
{
"id": "60da0d24841cfcdbffc1874715737823d40a4907071adac72da9d729e0f078b4",
"url": "https://osv.dev/vulnerability/CLSA-2026-1786005006",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "openssl11: Fix of CVE-2026-45447",
"summary": "- CVE-2026-45447: fix use-after-free of a caller-owned BIO in PKCS7_verify() when the SignedData digestAlgorithms field is an empty ASN.1 SET",
"evidence": "osv:CLSA-2026-1786005006",
"products": [
{
"name": {
"value": "openssl11",
"evidence": "/affected/0/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "1:1.1.1k-7.el7.tuxcare.els3",
"evidence": "/affected/0/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "openssl11-devel",
"evidence": "/affected/1/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "1:1.1.1k-7.el7.tuxcare.els3",
"evidence": "/affected/1/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "openssl11-libs",
"evidence": "/affected/2/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "1:1.1.1k-7.el7.tuxcare.els3",
"evidence": "/affected/2/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "openssl11-static",
"evidence": "/affected/3/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "1:1.1.1k-7.el7.tuxcare.els3",
"evidence": "/affected/3/ranges"
}
],
"affected_versions": []
}
],
"severity": "unknown",
"structured": {
"id": "CLSA-2026-1786005006",
"aliases": [
"CLSA-2026-1786005006"
],
"affected": [
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "1:1.1.1k-7.el7.tuxcare.els3"
}
]
}
],
"package": {
"name": "openssl11",
"purl": "pkg:rpm/tuxcare/openssl11?distro=centos-7",
"ecosystem": "TuxCare:CentOS:7"
},
"database_specific": {
"source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/centos7els/CLSA-2026-1786005006.json"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "1:1.1.1k-7.el7.tuxcare.els3"
}
]
}
],
"package": {
"name": "openssl11-devel",
"purl": "pkg:rpm/tuxcare/openssl11-devel?distro=centos-7",
"ecosystem": "TuxCare:CentOS:7"
},
"database_specific": {
"source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/centos7els/CLSA-2026-1786005006.json"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "1:1.1.1k-7.el7.tuxcare.els3"
}
]
}
],
"package": {
"name": "openssl11-libs",
"purl": "pkg:rpm/tuxcare/openssl11-libs?distro=centos-7",
"ecosystem": "TuxCare:CentOS:7"
},
"database_specific": {
"source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/centos7els/CLSA-2026-1786005006.json"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "1:1.1.1k-7.el7.tuxcare.els3"
}
]
}
],
"package": {
"name": "openssl11-static",
"purl": "pkg:rpm/tuxcare/openssl11-static?distro=centos-7",
"ecosystem": "TuxCare:CentOS:7"
},
"database_specific": {
"source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/centos7els/CLSA-2026-1786005006.json"
}
}
],
"modified": "2026-10-26T09:31:42.852438383Z",
"provider": "osv",
"upstream": [
"CVE-2026-45447"
],
"references": [
"https://errata.tuxcare.com/els_os/centos7els/CLSA-2026-1786005006.html",
"https://nvd.nist.gov/vuln/detail/CVE-2026-45447"
]
},
"related_cves": [
{
"value": "CVE-2026-45447",
"evidence": "/upstream"
}
],
"security_relevant": true,
"severity_evidence": null
},
"source_id": "core-osv",
"document_id": 448210,
"published_at": "2026-08-06T14:50:40+00:00"
}