UnratedFix available
libreswan: Fix of 2 CVEs
Type: advisorySources: OSV
- CVE-2026-50721: fix incomplete RSA signature verification accepting a truncated AUTH HASH - CVE-2026-50722: fix assertion failure on a truncated HASH payload
- Products
- libreswan
- Affected versions
- Not specified
- Fixed versions
- 4.15-8.el9_6.tuxcare.els2
- CVEs
- CVE-2026-50721, CVE-2026-50722
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 1 Nov 2026, 10:51 UTC · Revision 1
Source evidence
- CVE-2026-50721: fix incomplete RSA signature verification accepting a truncated AUTH HASH - CVE-2026-50722: fix assertion failure on a truncated HASH payload
osv:CLSA-2026-1784305067
libreswan
Fixed versions: 4.15-8.el9_6.tuxcare.els2
Complete source record
{
"id": "138997ded02e323cbe66b94eed1394d58cf3c474e6c6864aba03a692429aed36",
"url": "https://osv.dev/vulnerability/CLSA-2026-1784305067",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "libreswan: Fix of 2 CVEs",
"summary": "- CVE-2026-50721: fix incomplete RSA signature verification accepting a truncated AUTH HASH - CVE-2026-50722: fix assertion failure on a truncated HASH payload",
"evidence": "osv:CLSA-2026-1784305067",
"products": [
{
"name": {
"value": "libreswan",
"evidence": "/affected/0/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "4.15-8.el9_6.tuxcare.els2",
"evidence": "/affected/0/ranges"
}
],
"affected_versions": []
}
],
"severity": "unknown",
"structured": {
"id": "CLSA-2026-1784305067",
"aliases": [
"CLSA-2026-1784305067"
],
"affected": [
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "4.15-8.el9_6.tuxcare.els2"
}
]
}
],
"package": {
"name": "libreswan",
"purl": "pkg:rpm/tuxcare/libreswan?distro=almalinux-9.6",
"ecosystem": "TuxCare:AlmaLinux:9.6"
},
"database_specific": {
"source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/almalinux9.6esu/CLSA-2026-1784305067.json"
}
}
],
"modified": "2026-10-26T09:31:18.313837631Z",
"provider": "osv",
"upstream": [
"CVE-2026-50721",
"CVE-2026-50722"
],
"references": [
"https://errata.tuxcare.com/els_os/tuxcare9.6esu/CLSA-2026-1784305067.html",
"https://nvd.nist.gov/vuln/detail/CVE-2026-50721",
"https://nvd.nist.gov/vuln/detail/CVE-2026-50722"
]
},
"related_cves": [
{
"value": "CVE-2026-50721",
"evidence": "/upstream"
},
{
"value": "CVE-2026-50722",
"evidence": "/upstream"
}
],
"security_relevant": true,
"severity_evidence": null
},
"source_id": "core-osv",
"document_id": 447579,
"published_at": "2026-07-17T16:18:11+00:00"
}