UnratedFix available
tigervnc: Fix of 27 CVEs
Type: advisorySources: OSV
- CVE-2026-50264: fix out-of-bounds heap write in DRI2 DRIGetBuffers; carried by xorg-x11-server-source >= 1.20.4-99.el7_9.tuxcare.els14, no local patch
- Products
- tigervnc, tigervnc-icons, tigervnc-license, tigervnc-server, tigervnc-server-applet, tigervnc-server-minimal, tigervnc-server-module
- Affected versions
- Not specified
- Fixed versions
- 1.8.0-33.0.11.el7_9.tuxcare.els3
- CVEs
- CVE-2026-50264
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 1 Nov 2026, 11:37 UTC · Revision 1
Source evidence
- CVE-2026-50264: fix out-of-bounds heap write in DRI2 DRIGetBuffers; carried by xorg-x11-server-source >= 1.20.4-99.el7_9.tuxcare.els14, no local patch
osv:CLSA-2026-1792177938
tigervnc
Fixed versions: 1.8.0-33.0.11.el7_9.tuxcare.els3
tigervnc-icons
Fixed versions: 1.8.0-33.0.11.el7_9.tuxcare.els3
tigervnc-license
Fixed versions: 1.8.0-33.0.11.el7_9.tuxcare.els3
tigervnc-server
Fixed versions: 1.8.0-33.0.11.el7_9.tuxcare.els3
tigervnc-server-applet
Fixed versions: 1.8.0-33.0.11.el7_9.tuxcare.els3
tigervnc-server-minimal
Fixed versions: 1.8.0-33.0.11.el7_9.tuxcare.els3
tigervnc-server-module
Fixed versions: 1.8.0-33.0.11.el7_9.tuxcare.els3
Complete source record
{
"id": "08594dffc144d617f83f7678a124755867b8232c7dbaedddfeff452373a75ecc",
"url": "https://osv.dev/vulnerability/CLSA-2026-1792177938",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "tigervnc: Fix of 27 CVEs",
"summary": "- CVE-2026-50264: fix out-of-bounds heap write in DRI2 DRIGetBuffers; carried by xorg-x11-server-source >= 1.20.4-99.el7_9.tuxcare.els14, no local patch",
"evidence": "osv:CLSA-2026-1792177938",
"products": [
{
"name": {
"value": "tigervnc",
"evidence": "/affected/0/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "1.8.0-33.0.11.el7_9.tuxcare.els3",
"evidence": "/affected/0/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "tigervnc-icons",
"evidence": "/affected/1/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "1.8.0-33.0.11.el7_9.tuxcare.els3",
"evidence": "/affected/1/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "tigervnc-license",
"evidence": "/affected/2/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "1.8.0-33.0.11.el7_9.tuxcare.els3",
"evidence": "/affected/2/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "tigervnc-server",
"evidence": "/affected/3/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "1.8.0-33.0.11.el7_9.tuxcare.els3",
"evidence": "/affected/3/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "tigervnc-server-applet",
"evidence": "/affected/4/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "1.8.0-33.0.11.el7_9.tuxcare.els3",
"evidence": "/affected/4/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "tigervnc-server-minimal",
"evidence": "/affected/5/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "1.8.0-33.0.11.el7_9.tuxcare.els3",
"evidence": "/affected/5/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "tigervnc-server-module",
"evidence": "/affected/6/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "1.8.0-33.0.11.el7_9.tuxcare.els3",
"evidence": "/affected/6/ranges"
}
],
"affected_versions": []
}
],
"severity": "unknown",
"structured": {
"id": "CLSA-2026-1792177938",
"aliases": [
"CLSA-2026-1792177938"
],
"affected": [
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "1.8.0-33.0.11.el7_9.tuxcare.els3"
}
]
}
],
"package": {
"name": "tigervnc",
"purl": "pkg:rpm/tuxcare/tigervnc?distro=rhel-7",
"ecosystem": "TuxCare:RHEL:7"
},
"database_specific": {
"source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/rhel7els/CLSA-2026-1792177938.json"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "1.8.0-33.0.11.el7_9.tuxcare.els3"
}
]
}
],
"package": {
"name": "tigervnc-icons",
"purl": "pkg:rpm/tuxcare/tigervnc-icons?distro=rhel-7",
"ecosystem": "TuxCare:RHEL:7"
},
"database_specific": {
"source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/rhel7els/CLSA-2026-1792177938.json"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "1.8.0-33.0.11.el7_9.tuxcare.els3"
}
]
}
],
"package": {
"name": "tigervnc-license",
"purl": "pkg:rpm/tuxcare/tigervnc-license?distro=rhel-7",
"ecosystem": "TuxCare:RHEL:7"
},
"database_specific": {
"source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/rhel7els/CLSA-2026-1792177938.json"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "1.8.0-33.0.11.el7_9.tuxcare.els3"
}
]
}
],
"package": {
"name": "tigervnc-server",
"purl": "pkg:rpm/tuxcare/tigervnc-server?distro=rhel-7",
"ecosystem": "TuxCare:RHEL:7"
},
"database_specific": {
"source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/rhel7els/CLSA-2026-1792177938.json"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "1.8.0-33.0.11.el7_9.tuxcare.els3"
}
]
}
],
"package": {
"name": "tigervnc-server-applet",
"purl": "pkg:rpm/tuxcare/tigervnc-server-applet?distro=rhel-7",
"ecosystem": "TuxCare:RHEL:7"
},
"database_specific": {
"source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/rhel7els/CLSA-2026-1792177938.json"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "1.8.0-33.0.11.el7_9.tuxcare.els3"
}
]
}
],
"package": {
"name": "tigervnc-server-minimal",
"purl": "pkg:rpm/tuxcare/tigervnc-server-minimal?distro=rhel-7",
"ecosystem": "TuxCare:RHEL:7"
},
"database_specific": {
"source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/rhel7els/CLSA-2026-1792177938.json"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "1.8.0-33.0.11.el7_9.tuxcare.els3"
}
]
}
],
"package": {
"name": "tigervnc-server-module",
"purl": "pkg:rpm/tuxcare/tigervnc-server-module?distro=rhel-7",
"ecosystem": "TuxCare:RHEL:7"
},
"database_specific": {
"source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/rhel7els/CLSA-2026-1792177938.json"
}
}
],
"modified": "2026-10-26T09:32:00.768587462Z",
"provider": "osv",
"upstream": [
"CVE-2026-50264"
],
"references": [
"https://errata.tuxcare.com/els_os/rhel7els/CLSA-2026-1792177938.html",
"https://nvd.nist.gov/vuln/detail/CVE-2025-26594",
"https://nvd.nist.gov/vuln/detail/CVE-2025-26595",
"https://nvd.nist.gov/vuln/detail/CVE-2025-26596",
"https://nvd.nist.gov/vuln/detail/CVE-2025-26597",
"https://nvd.nist.gov/vuln/detail/CVE-2025-26598",
"https://nvd.nist.gov/vuln/detail/CVE-2025-26599",
"https://nvd.nist.gov/vuln/detail/CVE-2025-26600",
"https://nvd.nist.gov/vuln/detail/CVE-2025-26601",
"https://nvd.nist.gov/vuln/detail/CVE-2025-49176",
"https://nvd.nist.gov/vuln/detail/CVE-2025-49179",
"https://nvd.nist.gov/vuln/detail/CVE-2025-49180",
"https://nvd.nist.gov/vuln/detail/CVE-2025-62229",
"https://nvd.nist.gov/vuln/detail/CVE-2025-62230",
"https://nvd.nist.gov/vuln/detail/CVE-2025-62231",
"https://nvd.nist.gov/vuln/detail/CVE-2026-33999",
"https://nvd.nist.gov/vuln/detail/CVE-2026-34000",
"https://nvd.nist.gov/vuln/detail/CVE-2026-34001",
"https://nvd.nist.gov/vuln/detail/CVE-2026-34002",
"https://nvd.nist.gov/vuln/detail/CVE-2026-34003",
"https://nvd.nist.gov/vuln/detail/CVE-2026-34352",
"https://nvd.nist.gov/vuln/detail/CVE-2026-50256",
"https://nvd.nist.gov/vuln/detail/CVE-2026-50257",
"https://nvd.nist.gov/vuln/detail/CVE-2026-50258",
"https://nvd.nist.gov/vuln/detail/CVE-2026-50259",
"https://nvd.nist.gov/vuln/detail/CVE-2026-50260",
"https://nvd.nist.gov/vuln/detail/CVE-2026-50261",
"https://nvd.nist.gov/vuln/detail/CVE-2026-50264"
]
},
"related_cves": [
{
"value": "CVE-2026-50264",
"evidence": "/upstream"
}
],
"security_relevant": true,
"severity_evidence": null
},
"source_id": "core-osv",
"document_id": 449298,
"published_at": "2026-10-16T19:12:54+00:00"
}