UnratedFix available
exim: Fix of CVE-2026-94056
Type: advisorySources: OSV
- CVE-2026-94056: read the full Proxy Protocol v2 header before using its length field, avoiding use of uninitialised stack data
- Products
- exim, exim-greylist, exim-mon, exim-mysql, exim-pgsql
- Affected versions
- Not specified
- Fixed versions
- 4.99.5-1.el9_2.tuxcare.els3
- CVEs
- CVE-2026-94056
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 1 Nov 2026, 10:39 UTC · Revision 1
Source evidence
- CVE-2026-94056: read the full Proxy Protocol v2 header before using its length field, avoiding use of uninitialised stack data
osv:CLSA-2026-1791831177
exim
Fixed versions: 4.99.5-1.el9_2.tuxcare.els3
exim-greylist
Fixed versions: 4.99.5-1.el9_2.tuxcare.els3
exim-mon
Fixed versions: 4.99.5-1.el9_2.tuxcare.els3
exim-mysql
Fixed versions: 4.99.5-1.el9_2.tuxcare.els3
exim-pgsql
Fixed versions: 4.99.5-1.el9_2.tuxcare.els3
Complete source record
{
"id": "b098eaf14a73c9e025ed641b70f63ab4238749da726fdb7cfcdeb4bada7210cb",
"url": "https://osv.dev/vulnerability/CLSA-2026-1791831177",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "exim: Fix of CVE-2026-94056",
"summary": "- CVE-2026-94056: read the full Proxy Protocol v2 header before using its length field, avoiding use of uninitialised stack data",
"evidence": "osv:CLSA-2026-1791831177",
"products": [
{
"name": {
"value": "exim",
"evidence": "/affected/0/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "4.99.5-1.el9_2.tuxcare.els3",
"evidence": "/affected/0/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "exim-greylist",
"evidence": "/affected/1/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "4.99.5-1.el9_2.tuxcare.els3",
"evidence": "/affected/1/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "exim-mon",
"evidence": "/affected/2/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "4.99.5-1.el9_2.tuxcare.els3",
"evidence": "/affected/2/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "exim-mysql",
"evidence": "/affected/3/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "4.99.5-1.el9_2.tuxcare.els3",
"evidence": "/affected/3/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "exim-pgsql",
"evidence": "/affected/4/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "4.99.5-1.el9_2.tuxcare.els3",
"evidence": "/affected/4/ranges"
}
],
"affected_versions": []
}
],
"severity": "unknown",
"structured": {
"id": "CLSA-2026-1791831177",
"aliases": [
"CLSA-2026-1791831177"
],
"affected": [
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "4.99.5-1.el9_2.tuxcare.els3"
}
]
}
],
"package": {
"name": "exim",
"purl": "pkg:rpm/tuxcare/exim?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-2026-1791831177.json"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "4.99.5-1.el9_2.tuxcare.els3"
}
]
}
],
"package": {
"name": "exim-greylist",
"purl": "pkg:rpm/tuxcare/exim-greylist?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-2026-1791831177.json"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "4.99.5-1.el9_2.tuxcare.els3"
}
]
}
],
"package": {
"name": "exim-mon",
"purl": "pkg:rpm/tuxcare/exim-mon?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-2026-1791831177.json"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "4.99.5-1.el9_2.tuxcare.els3"
}
]
}
],
"package": {
"name": "exim-mysql",
"purl": "pkg:rpm/tuxcare/exim-mysql?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-2026-1791831177.json"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "4.99.5-1.el9_2.tuxcare.els3"
}
]
}
],
"package": {
"name": "exim-pgsql",
"purl": "pkg:rpm/tuxcare/exim-pgsql?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-2026-1791831177.json"
}
}
],
"modified": "2026-10-26T09:30:15.692937115Z",
"provider": "osv",
"upstream": [
"CVE-2026-94056"
],
"references": [
"https://errata.tuxcare.com/els_os/almalinux9.2esu/CLSA-2026-1791831177.html",
"https://nvd.nist.gov/vuln/detail/CVE-2026-94056"
]
},
"related_cves": [
{
"value": "CVE-2026-94056",
"evidence": "/upstream"
}
],
"security_relevant": true,
"severity_evidence": null
},
"source_id": "core-osv",
"document_id": 446933,
"published_at": "2026-10-12T18:53:07+00:00"
}