UnratedFix available
rsyslog: Fix of CVE-2026-78002
Type: advisorySources: OSV
- CVE-2026-78002: rainerscript: rewind the replace() sizing pass in doFuncReplace() by the full failed partial-match length so the allocated buffer matches what the copy pass writes
- Products
- rsyslog, rsyslog-crypto, rsyslog-doc, rsyslog-elasticsearch, rsyslog-gnutls, rsyslog-gssapi, rsyslog-kafka, rsyslog-logrotate, rsyslog-mmaudit, rsyslog-mmfields, rsyslog-mmjsonparse, rsyslog-mmkubernetes, rsyslog-mmnormalize, rsyslog-mmsnmptrapd, rsyslog-mysql, rsyslog-omamqp1, rsyslog-openssl, rsyslog-pgsql, rsyslog-relp, rsyslog-snmp, rsyslog-udpspoof
- Affected versions
- Not specified
- Fixed versions
- 8.2412.0-1.el9_6.tuxcare.els2
- CVEs
- CVE-2026-78002
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 1 Nov 2026, 10:55 UTC · Revision 1
Source evidence
- CVE-2026-78002: rainerscript: rewind the replace() sizing pass in doFuncReplace() by the full failed partial-match length so the allocated buffer matches what the copy pass writes
osv:CLSA-2026-1790795134
rsyslog
Fixed versions: 8.2412.0-1.el9_6.tuxcare.els2
rsyslog-crypto
Fixed versions: 8.2412.0-1.el9_6.tuxcare.els2
rsyslog-doc
Fixed versions: 8.2412.0-1.el9_6.tuxcare.els2
rsyslog-elasticsearch
Fixed versions: 8.2412.0-1.el9_6.tuxcare.els2
rsyslog-gnutls
Fixed versions: 8.2412.0-1.el9_6.tuxcare.els2
rsyslog-gssapi
Fixed versions: 8.2412.0-1.el9_6.tuxcare.els2
rsyslog-kafka
Fixed versions: 8.2412.0-1.el9_6.tuxcare.els2
rsyslog-logrotate
Fixed versions: 8.2412.0-1.el9_6.tuxcare.els2
rsyslog-mmaudit
Fixed versions: 8.2412.0-1.el9_6.tuxcare.els2
rsyslog-mmfields
Fixed versions: 8.2412.0-1.el9_6.tuxcare.els2
rsyslog-mmjsonparse
Fixed versions: 8.2412.0-1.el9_6.tuxcare.els2
rsyslog-mmkubernetes
Fixed versions: 8.2412.0-1.el9_6.tuxcare.els2
rsyslog-mmnormalize
Fixed versions: 8.2412.0-1.el9_6.tuxcare.els2
rsyslog-mmsnmptrapd
Fixed versions: 8.2412.0-1.el9_6.tuxcare.els2
rsyslog-mysql
Fixed versions: 8.2412.0-1.el9_6.tuxcare.els2
rsyslog-omamqp1
Fixed versions: 8.2412.0-1.el9_6.tuxcare.els2
rsyslog-openssl
Fixed versions: 8.2412.0-1.el9_6.tuxcare.els2
rsyslog-pgsql
Fixed versions: 8.2412.0-1.el9_6.tuxcare.els2
rsyslog-relp
Fixed versions: 8.2412.0-1.el9_6.tuxcare.els2
rsyslog-snmp
Fixed versions: 8.2412.0-1.el9_6.tuxcare.els2
rsyslog-udpspoof
Fixed versions: 8.2412.0-1.el9_6.tuxcare.els2
Complete source record
{
"id": "6859f40a167f4af2dc5c59e83bb98609df9f7a6542420f423c4686818abd19aa",
"url": "https://osv.dev/vulnerability/CLSA-2026-1790795134",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "rsyslog: Fix of CVE-2026-78002",
"summary": "- CVE-2026-78002: rainerscript: rewind the replace() sizing pass in doFuncReplace() by the full failed partial-match length so the allocated buffer matches what the copy pass writes",
"evidence": "osv:CLSA-2026-1790795134",
"products": [
{
"name": {
"value": "rsyslog",
"evidence": "/affected/0/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "8.2412.0-1.el9_6.tuxcare.els2",
"evidence": "/affected/0/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "rsyslog-crypto",
"evidence": "/affected/1/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "8.2412.0-1.el9_6.tuxcare.els2",
"evidence": "/affected/1/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "rsyslog-doc",
"evidence": "/affected/2/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "8.2412.0-1.el9_6.tuxcare.els2",
"evidence": "/affected/2/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "rsyslog-elasticsearch",
"evidence": "/affected/3/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "8.2412.0-1.el9_6.tuxcare.els2",
"evidence": "/affected/3/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "rsyslog-gnutls",
"evidence": "/affected/4/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "8.2412.0-1.el9_6.tuxcare.els2",
"evidence": "/affected/4/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "rsyslog-gssapi",
"evidence": "/affected/5/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "8.2412.0-1.el9_6.tuxcare.els2",
"evidence": "/affected/5/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "rsyslog-kafka",
"evidence": "/affected/6/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "8.2412.0-1.el9_6.tuxcare.els2",
"evidence": "/affected/6/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "rsyslog-logrotate",
"evidence": "/affected/7/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "8.2412.0-1.el9_6.tuxcare.els2",
"evidence": "/affected/7/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "rsyslog-mmaudit",
"evidence": "/affected/8/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "8.2412.0-1.el9_6.tuxcare.els2",
"evidence": "/affected/8/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "rsyslog-mmfields",
"evidence": "/affected/9/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "8.2412.0-1.el9_6.tuxcare.els2",
"evidence": "/affected/9/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "rsyslog-mmjsonparse",
"evidence": "/affected/10/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "8.2412.0-1.el9_6.tuxcare.els2",
"evidence": "/affected/10/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "rsyslog-mmkubernetes",
"evidence": "/affected/11/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "8.2412.0-1.el9_6.tuxcare.els2",
"evidence": "/affected/11/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "rsyslog-mmnormalize",
"evidence": "/affected/12/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "8.2412.0-1.el9_6.tuxcare.els2",
"evidence": "/affected/12/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "rsyslog-mmsnmptrapd",
"evidence": "/affected/13/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "8.2412.0-1.el9_6.tuxcare.els2",
"evidence": "/affected/13/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "rsyslog-mysql",
"evidence": "/affected/14/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "8.2412.0-1.el9_6.tuxcare.els2",
"evidence": "/affected/14/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "rsyslog-omamqp1",
"evidence": "/affected/15/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "8.2412.0-1.el9_6.tuxcare.els2",
"evidence": "/affected/15/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "rsyslog-openssl",
"evidence": "/affected/16/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "8.2412.0-1.el9_6.tuxcare.els2",
"evidence": "/affected/16/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "rsyslog-pgsql",
"evidence": "/affected/17/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "8.2412.0-1.el9_6.tuxcare.els2",
"evidence": "/affected/17/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "rsyslog-relp",
"evidence": "/affected/18/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "8.2412.0-1.el9_6.tuxcare.els2",
"evidence": "/affected/18/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "rsyslog-snmp",
"evidence": "/affected/19/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "8.2412.0-1.el9_6.tuxcare.els2",
"evidence": "/affected/19/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "rsyslog-udpspoof",
"evidence": "/affected/20/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "8.2412.0-1.el9_6.tuxcare.els2",
"evidence": "/affected/20/ranges"
}
],
"affected_versions": []
}
],
"severity": "unknown",
"structured": {
"id": "CLSA-2026-1790795134",
"aliases": [
"CLSA-2026-1790795134"
],
"affected": [
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "8.2412.0-1.el9_6.tuxcare.els2"
}
]
}
],
"package": {
"name": "rsyslog",
"purl": "pkg:rpm/tuxcare/rsyslog?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-2026-1790795134.json"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "8.2412.0-1.el9_6.tuxcare.els2"
}
]
}
],
"package": {
"name": "rsyslog-crypto",
"purl": "pkg:rpm/tuxcare/rsyslog-crypto?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-2026-1790795134.json"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "8.2412.0-1.el9_6.tuxcare.els2"
}
]
}
],
"package": {
"name": "rsyslog-doc",
"purl": "pkg:rpm/tuxcare/rsyslog-doc?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-2026-1790795134.json"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "8.2412.0-1.el9_6.tuxcare.els2"
}
]
}
],
"package": {
"name": "rsyslog-elasticsearch",
"purl": "pkg:rpm/tuxcare/rsyslog-elasticsearch?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-2026-1790795134.json"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "8.2412.0-1.el9_6.tuxcare.els2"
}
]
}
],
"package": {
"name": "rsyslog-gnutls",
"purl": "pkg:rpm/tuxcare/rsyslog-gnutls?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-2026-1790795134.json"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "8.2412.0-1.el9_6.tuxcare.els2"
}
]
}
],
"package": {
"name": "rsyslog-gssapi",
"purl": "pkg:rpm/tuxcare/rsyslog-gssapi?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-2026-1790795134.json"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "8.2412.0-1.el9_6.tuxcare.els2"
}
]
}
],
"package": {
"name": "rsyslog-kafka",
"purl": "pkg:rpm/tuxcare/rsyslog-kafka?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-2026-1790795134.json"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "8.2412.0-1.el9_6.tuxcare.els2"
}
]
}
],
"package": {
"name": "rsyslog-logrotate",
"purl": "pkg:rpm/tuxcare/rsyslog-logrotate?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-2026-1790795134.json"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "8.2412.0-1.el9_6.tuxcare.els2"
}
]
}
],
"package": {
"name": "rsyslog-mmaudit",
"purl": "pkg:rpm/tuxcare/rsyslog-mmaudit?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-2026-1790795134.json"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "8.2412.0-1.el9_6.tuxcare.els2"
}
]
}
],
"package": {
"name": "rsyslog-mmfields",
"purl": "pkg:rpm/tuxcare/rsyslog-mmfields?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-2026-1790795134.json"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "8.2412.0-1.el9_6.tuxcare.els2"
}
]
}
],
"package": {
"name": "rsyslog-mmjsonparse",
"purl": "pkg:rpm/tuxcare/rsyslog-mmjsonparse?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-2026-1790795134.json"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "8.2412.0-1.el9_6.tuxcare.els2"
}
]
}
],
"package": {
"name": "rsyslog-mmkubernetes",
"purl": "pkg:rpm/tuxcare/rsyslog-mmkubernetes?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-2026-1790795134.json"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "8.2412.0-1.el9_6.tuxcare.els2"
}
]
}
],
"package": {
"name": "rsyslog-mmnormalize",
"purl": "pkg:rpm/tuxcare/rsyslog-mmnormalize?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-2026-1790795134.json"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "8.2412.0-1.el9_6.tuxcare.els2"
}
]
}
],
"package": {
"name": "rsyslog-mmsnmptrapd",
"purl": "pkg:rpm/tuxcare/rsyslog-mmsnmptrapd?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-2026-1790795134.json"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "8.2412.0-1.el9_6.tuxcare.els2"
}
]
}
],
"package": {
"name": "rsyslog-mysql",
"purl": "pkg:rpm/tuxcare/rsyslog-mysql?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-2026-1790795134.json"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "8.2412.0-1.el9_6.tuxcare.els2"
}
]
}
],
"package": {
"name": "rsyslog-omamqp1",
"purl": "pkg:rpm/tuxcare/rsyslog-omamqp1?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-2026-1790795134.json"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "8.2412.0-1.el9_6.tuxcare.els2"
}
]
}
],
"package": {
"name": "rsyslog-openssl",
"purl": "pkg:rpm/tuxcare/rsyslog-openssl?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-2026-1790795134.json"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "8.2412.0-1.el9_6.tuxcare.els2"
}
]
}
],
"package": {
"name": "rsyslog-pgsql",
"purl": "pkg:rpm/tuxcare/rsyslog-pgsql?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-2026-1790795134.json"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "8.2412.0-1.el9_6.tuxcare.els2"
}
]
}
],
"package": {
"name": "rsyslog-relp",
"purl": "pkg:rpm/tuxcare/rsyslog-relp?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-2026-1790795134.json"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "8.2412.0-1.el9_6.tuxcare.els2"
}
]
}
],
"package": {
"name": "rsyslog-snmp",
"purl": "pkg:rpm/tuxcare/rsyslog-snmp?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-2026-1790795134.json"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "8.2412.0-1.el9_6.tuxcare.els2"
}
]
}
],
"package": {
"name": "rsyslog-udpspoof",
"purl": "pkg:rpm/tuxcare/rsyslog-udpspoof?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-2026-1790795134.json"
}
}
],
"modified": "2026-10-26T09:31:36.562357551Z",
"provider": "osv",
"upstream": [
"CVE-2026-78002"
],
"references": [
"https://errata.tuxcare.com/els_os/tuxcare9.6esu/CLSA-2026-1790795134.html",
"https://nvd.nist.gov/vuln/detail/CVE-2026-78002"
]
},
"related_cves": [
{
"value": "CVE-2026-78002",
"evidence": "/upstream"
}
],
"security_relevant": true,
"severity_evidence": null
},
"source_id": "core-osv",
"document_id": 447815,
"published_at": "2026-09-30T19:05:46+00:00"
}