tigervnc: Fix of 3 CVEs
- CVE-2023-6816: xorg-x11-server: fix use-after-free issue by adding check to allocate sufficient space for logical button maps to prevent heap overflow in DeviceFocusEvent and XIQueryPointer replies - CVE-2023-5367: xorg-x11-server: correct buffer offset handling in XIChangeDeviceProperty and RRChangeOutputProperty to prevent out-of-bound writes during append/prepend operations - CVE-2023-6478: xorg-x11-server: fix integer overflow in RRChangeProviderProperty and RRChangeOutputProperty to prevent disclosure of sensitive information
- Products
- tigervnc, tigervnc-icons, tigervnc-license, tigervnc-selinux, tigervnc-server, tigervnc-server-minimal, tigervnc-server-module
- Affected versions
- Not specified
- Fixed versions
- 1.12.0-13.el9_2.tuxcare.els9
- CVEs
- CVE-2023-5367, CVE-2023-6478, CVE-2023-6816
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 31 Oct 2026, 13:48 UTC · Revision 1
Source evidence
- CVE-2023-6816: xorg-x11-server: fix use-after-free issue by adding check to allocate sufficient space for logical button maps to prevent heap overflow in DeviceFocusEvent and XIQueryPointer replies - CVE-2023-5367: xorg-x11-server: correct buffer offset handling in XIChangeDeviceProperty and RRChangeOutputProperty to prevent out-of-bound writes during append/prepend operations - CVE-2023-6478: xorg-x11-server: fix integer overflow in RRChangeProviderProperty and RRChangeOutputProperty to prevent disclosure of sensitive information
osv:CLSA-2025-1744213437
tigervnc
Fixed versions: 1.12.0-13.el9_2.tuxcare.els9
tigervnc-icons
Fixed versions: 1.12.0-13.el9_2.tuxcare.els9
tigervnc-license
Fixed versions: 1.12.0-13.el9_2.tuxcare.els9
tigervnc-selinux
Fixed versions: 1.12.0-13.el9_2.tuxcare.els9
tigervnc-server
Fixed versions: 1.12.0-13.el9_2.tuxcare.els9
tigervnc-server-minimal
Fixed versions: 1.12.0-13.el9_2.tuxcare.els9
tigervnc-server-module
Fixed versions: 1.12.0-13.el9_2.tuxcare.els9
Complete source record
{
"id": "4f1c80aaf1bf7d7e36218599ba1834d242e26a142d9119c14d3fac73b24b2596",
"url": "https://osv.dev/vulnerability/CLSA-2025-1744213437",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "tigervnc: Fix of 3 CVEs",
"summary": "- CVE-2023-6816: xorg-x11-server: fix use-after-free issue by adding check to allocate sufficient space for logical button maps to prevent heap overflow in DeviceFocusEvent and XIQueryPointer replies - CVE-2023-5367: xorg-x11-server: correct buffer offset handling in XIChangeDeviceProperty and RRChangeOutputProperty to prevent out-of-bound writes during append/prepend operations - CVE-2023-6478: xorg-x11-server: fix integer overflow in RRChangeProviderProperty and RRChangeOutputProperty to prevent disclosure of sensitive information",
"evidence": "osv:CLSA-2025-1744213437",
"products": [
{
"name": {
"value": "tigervnc",
"evidence": "/affected/0/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "1.12.0-13.el9_2.tuxcare.els9",
"evidence": "/affected/0/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "tigervnc-icons",
"evidence": "/affected/1/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "1.12.0-13.el9_2.tuxcare.els9",
"evidence": "/affected/1/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "tigervnc-license",
"evidence": "/affected/2/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "1.12.0-13.el9_2.tuxcare.els9",
"evidence": "/affected/2/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "tigervnc-selinux",
"evidence": "/affected/3/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "1.12.0-13.el9_2.tuxcare.els9",
"evidence": "/affected/3/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "tigervnc-server",
"evidence": "/affected/4/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "1.12.0-13.el9_2.tuxcare.els9",
"evidence": "/affected/4/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "tigervnc-server-minimal",
"evidence": "/affected/5/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "1.12.0-13.el9_2.tuxcare.els9",
"evidence": "/affected/5/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "tigervnc-server-module",
"evidence": "/affected/6/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "1.12.0-13.el9_2.tuxcare.els9",
"evidence": "/affected/6/ranges"
}
],
"affected_versions": []
}
],
"severity": "unknown",
"structured": {
"id": "CLSA-2025-1744213437",
"aliases": [
"CLSA-2025-1744213437"
],
"affected": [
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "1.12.0-13.el9_2.tuxcare.els9"
}
]
}
],
"package": {
"name": "tigervnc",
"purl": "pkg:rpm/tuxcare/tigervnc?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-2025-1744213437.json"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "1.12.0-13.el9_2.tuxcare.els9"
}
]
}
],
"package": {
"name": "tigervnc-icons",
"purl": "pkg:rpm/tuxcare/tigervnc-icons?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-2025-1744213437.json"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "1.12.0-13.el9_2.tuxcare.els9"
}
]
}
],
"package": {
"name": "tigervnc-license",
"purl": "pkg:rpm/tuxcare/tigervnc-license?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-2025-1744213437.json"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "1.12.0-13.el9_2.tuxcare.els9"
}
]
}
],
"package": {
"name": "tigervnc-selinux",
"purl": "pkg:rpm/tuxcare/tigervnc-selinux?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-2025-1744213437.json"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "1.12.0-13.el9_2.tuxcare.els9"
}
]
}
],
"package": {
"name": "tigervnc-server",
"purl": "pkg:rpm/tuxcare/tigervnc-server?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-2025-1744213437.json"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "1.12.0-13.el9_2.tuxcare.els9"
}
]
}
],
"package": {
"name": "tigervnc-server-minimal",
"purl": "pkg:rpm/tuxcare/tigervnc-server-minimal?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-2025-1744213437.json"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "1.12.0-13.el9_2.tuxcare.els9"
}
]
}
],
"package": {
"name": "tigervnc-server-module",
"purl": "pkg:rpm/tuxcare/tigervnc-server-module?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-2025-1744213437.json"
}
}
],
"modified": "2026-10-21T10:45:08.537603121Z",
"provider": "osv",
"upstream": [
"CVE-2023-5367",
"CVE-2023-6478",
"CVE-2023-6816"
],
"references": [
"https://errata.tuxcare.com/almalinux9.2-esu/CLSA-2025-1744213437.html"
]
},
"related_cves": [
{
"value": "CVE-2023-5367",
"evidence": "/upstream"
},
{
"value": "CVE-2023-6478",
"evidence": "/upstream"
},
{
"value": "CVE-2023-6816",
"evidence": "/upstream"
}
],
"security_relevant": true,
"severity_evidence": null
},
"source_id": "core-osv",
"document_id": 392117,
"published_at": "2025-04-09T15:44:02+00:00"
}