UnratedFix available
libreswan: Fix of CVE-2026-77207
Type: advisorySources: OSV
- CVE-2026-77207: fix a pre-auth NULL pointer dereference in decode_cert_payloads() when a PKCS#7 wrapped CERT payload carries no certificate list (CRL-only or non-SignedData content)
- Products
- libreswan
- Affected versions
- Not specified
- Fixed versions
- 4.12-2.el9_2.tuxcare.els6
- CVEs
- CVE-2026-77207
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 1 Nov 2026, 10:47 UTC · Revision 1
Source evidence
- CVE-2026-77207: fix a pre-auth NULL pointer dereference in decode_cert_payloads() when a PKCS#7 wrapped CERT payload carries no certificate list (CRL-only or non-SignedData content)
osv:CLSA-2026-1792158739
libreswan
Fixed versions: 4.12-2.el9_2.tuxcare.els6
Complete source record
{
"id": "91fea2fca920f8052c57242962cbf74424617f82b1869f7d5ca155349dc00887",
"url": "https://osv.dev/vulnerability/CLSA-2026-1792158739",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "libreswan: Fix of CVE-2026-77207",
"summary": "- CVE-2026-77207: fix a pre-auth NULL pointer dereference in decode_cert_payloads() when a PKCS#7 wrapped CERT payload carries no certificate list (CRL-only or non-SignedData content)",
"evidence": "osv:CLSA-2026-1792158739",
"products": [
{
"name": {
"value": "libreswan",
"evidence": "/affected/0/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "4.12-2.el9_2.tuxcare.els6",
"evidence": "/affected/0/ranges"
}
],
"affected_versions": []
}
],
"severity": "unknown",
"structured": {
"id": "CLSA-2026-1792158739",
"aliases": [
"CLSA-2026-1792158739"
],
"affected": [
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "4.12-2.el9_2.tuxcare.els6"
}
]
}
],
"package": {
"name": "libreswan",
"purl": "pkg:rpm/tuxcare/libreswan?distro=almalinux-9.2",
"ecosystem": "TuxCare:AlmaLinux:9.2"
},
"database_specific": {
"source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/almalinux9.2esu/CLSA-2026-1792158739.json"
}
}
],
"modified": "2026-10-26T09:30:58.314215203Z",
"provider": "osv",
"upstream": [
"CVE-2026-77207"
],
"references": [
"https://errata.tuxcare.com/els_os/almalinux9.2esu/CLSA-2026-1792158739.html",
"https://nvd.nist.gov/vuln/detail/CVE-2026-77207"
]
},
"related_cves": [
{
"value": "CVE-2026-77207",
"evidence": "/upstream"
}
],
"security_relevant": true,
"severity_evidence": null
},
"source_id": "core-osv",
"document_id": 447359,
"published_at": "2026-10-16T13:52:31+00:00"
}