UnratedFix available
xorg-x11-server: Fix of 4 CVEs
Type: advisorySources: OSV
- CVE-2025-9632: fix buffer overflow in _XkbSetCompatMap() - CVE-2025-62229: fix use-after-free condition due improper error handling during notification creation leading to DoS - CVE-2025-62230: fix use-after-free condition due freeing certain data structures without properly detaching related resources - CVE-2025-62231: fix unsigned short overflow in XkbSetCompatMap() function
- Products
- xorg-x11-server-Xdmx, xorg-x11-server-Xephyr, xorg-x11-server-Xnest, xorg-x11-server-Xorg, xorg-x11-server-Xvfb, xorg-x11-server-Xwayland, xorg-x11-server-common, xorg-x11-server-devel, xorg-x11-server-source
- Affected versions
- Not specified
- Fixed versions
- 1.20.4-99.el7_9.tuxcare.els8
- CVEs
- CVE-2025-62229, CVE-2025-62230, CVE-2025-62231, CVE-2025-9632
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 31 Oct 2026, 13:56 UTC · Revision 1
Source evidence
- CVE-2025-9632: fix buffer overflow in _XkbSetCompatMap() - CVE-2025-62229: fix use-after-free condition due improper error handling during notification creation leading to DoS - CVE-2025-62230: fix use-after-free condition due freeing certain data structures without properly detaching related resources - CVE-2025-62231: fix unsigned short overflow in XkbSetCompatMap() function
osv:CLSA-2025-1765223770
xorg-x11-server-Xdmx
Fixed versions: 1.20.4-99.el7_9.tuxcare.els8
xorg-x11-server-Xephyr
Fixed versions: 1.20.4-99.el7_9.tuxcare.els8
xorg-x11-server-Xnest
Fixed versions: 1.20.4-99.el7_9.tuxcare.els8
xorg-x11-server-Xorg
Fixed versions: 1.20.4-99.el7_9.tuxcare.els8
xorg-x11-server-Xvfb
Fixed versions: 1.20.4-99.el7_9.tuxcare.els8
xorg-x11-server-Xwayland
Fixed versions: 1.20.4-99.el7_9.tuxcare.els8
xorg-x11-server-common
Fixed versions: 1.20.4-99.el7_9.tuxcare.els8
xorg-x11-server-devel
Fixed versions: 1.20.4-99.el7_9.tuxcare.els8
xorg-x11-server-source
Fixed versions: 1.20.4-99.el7_9.tuxcare.els8
Complete source record
{
"id": "b2ec5539e4104ce0c15f972d42ea764f7bdc022cc498eaaae13f895bee4f4df6",
"url": "https://osv.dev/vulnerability/CLSA-2025-1765223770",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "xorg-x11-server: Fix of 4 CVEs",
"summary": "- CVE-2025-9632: fix buffer overflow in _XkbSetCompatMap() - CVE-2025-62229: fix use-after-free condition due improper error handling during notification creation leading to DoS - CVE-2025-62230: fix use-after-free condition due freeing certain data structures without properly detaching related resources - CVE-2025-62231: fix unsigned short overflow in XkbSetCompatMap() function",
"evidence": "osv:CLSA-2025-1765223770",
"products": [
{
"name": {
"value": "xorg-x11-server-Xdmx",
"evidence": "/affected/0/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "1.20.4-99.el7_9.tuxcare.els8",
"evidence": "/affected/0/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "xorg-x11-server-Xephyr",
"evidence": "/affected/1/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "1.20.4-99.el7_9.tuxcare.els8",
"evidence": "/affected/1/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "xorg-x11-server-Xnest",
"evidence": "/affected/2/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "1.20.4-99.el7_9.tuxcare.els8",
"evidence": "/affected/2/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "xorg-x11-server-Xorg",
"evidence": "/affected/3/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "1.20.4-99.el7_9.tuxcare.els8",
"evidence": "/affected/3/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "xorg-x11-server-Xvfb",
"evidence": "/affected/4/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "1.20.4-99.el7_9.tuxcare.els8",
"evidence": "/affected/4/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "xorg-x11-server-Xwayland",
"evidence": "/affected/5/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "1.20.4-99.el7_9.tuxcare.els8",
"evidence": "/affected/5/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "xorg-x11-server-common",
"evidence": "/affected/6/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "1.20.4-99.el7_9.tuxcare.els8",
"evidence": "/affected/6/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "xorg-x11-server-devel",
"evidence": "/affected/7/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "1.20.4-99.el7_9.tuxcare.els8",
"evidence": "/affected/7/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "xorg-x11-server-source",
"evidence": "/affected/8/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "1.20.4-99.el7_9.tuxcare.els8",
"evidence": "/affected/8/ranges"
}
],
"affected_versions": []
}
],
"severity": "unknown",
"structured": {
"id": "CLSA-2025-1765223770",
"aliases": [
"CLSA-2025-1765223770"
],
"affected": [
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "1.20.4-99.el7_9.tuxcare.els8"
}
]
}
],
"package": {
"name": "xorg-x11-server-Xdmx",
"purl": "pkg:rpm/tuxcare/xorg-x11-server-Xdmx?distro=centos-7",
"ecosystem": "TuxCare:CentOS:7"
},
"database_specific": {
"source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/centos7els/CLSA-2025-1765223770.json"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "1.20.4-99.el7_9.tuxcare.els8"
}
]
}
],
"package": {
"name": "xorg-x11-server-Xephyr",
"purl": "pkg:rpm/tuxcare/xorg-x11-server-Xephyr?distro=centos-7",
"ecosystem": "TuxCare:CentOS:7"
},
"database_specific": {
"source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/centos7els/CLSA-2025-1765223770.json"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "1.20.4-99.el7_9.tuxcare.els8"
}
]
}
],
"package": {
"name": "xorg-x11-server-Xnest",
"purl": "pkg:rpm/tuxcare/xorg-x11-server-Xnest?distro=centos-7",
"ecosystem": "TuxCare:CentOS:7"
},
"database_specific": {
"source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/centos7els/CLSA-2025-1765223770.json"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "1.20.4-99.el7_9.tuxcare.els8"
}
]
}
],
"package": {
"name": "xorg-x11-server-Xorg",
"purl": "pkg:rpm/tuxcare/xorg-x11-server-Xorg?distro=centos-7",
"ecosystem": "TuxCare:CentOS:7"
},
"database_specific": {
"source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/centos7els/CLSA-2025-1765223770.json"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "1.20.4-99.el7_9.tuxcare.els8"
}
]
}
],
"package": {
"name": "xorg-x11-server-Xvfb",
"purl": "pkg:rpm/tuxcare/xorg-x11-server-Xvfb?distro=centos-7",
"ecosystem": "TuxCare:CentOS:7"
},
"database_specific": {
"source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/centos7els/CLSA-2025-1765223770.json"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "1.20.4-99.el7_9.tuxcare.els8"
}
]
}
],
"package": {
"name": "xorg-x11-server-Xwayland",
"purl": "pkg:rpm/tuxcare/xorg-x11-server-Xwayland?distro=centos-7",
"ecosystem": "TuxCare:CentOS:7"
},
"database_specific": {
"source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/centos7els/CLSA-2025-1765223770.json"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "1.20.4-99.el7_9.tuxcare.els8"
}
]
}
],
"package": {
"name": "xorg-x11-server-common",
"purl": "pkg:rpm/tuxcare/xorg-x11-server-common?distro=centos-7",
"ecosystem": "TuxCare:CentOS:7"
},
"database_specific": {
"source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/centos7els/CLSA-2025-1765223770.json"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "1.20.4-99.el7_9.tuxcare.els8"
}
]
}
],
"package": {
"name": "xorg-x11-server-devel",
"purl": "pkg:rpm/tuxcare/xorg-x11-server-devel?distro=centos-7",
"ecosystem": "TuxCare:CentOS:7"
},
"database_specific": {
"source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/centos7els/CLSA-2025-1765223770.json"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "1.20.4-99.el7_9.tuxcare.els8"
}
]
}
],
"package": {
"name": "xorg-x11-server-source",
"purl": "pkg:rpm/tuxcare/xorg-x11-server-source?distro=centos-7",
"ecosystem": "TuxCare:CentOS:7"
},
"database_specific": {
"source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/centos7els/CLSA-2025-1765223770.json"
}
}
],
"modified": "2026-10-21T10:48:04.374619011Z",
"provider": "osv",
"upstream": [
"CVE-2025-62229",
"CVE-2025-62230",
"CVE-2025-62231",
"CVE-2025-9632"
],
"references": [
"https://errata.tuxcare.com/els_os/centos7els/CLSA-2025-1765223770.html"
]
},
"related_cves": [
{
"value": "CVE-2025-62229",
"evidence": "/upstream"
},
{
"value": "CVE-2025-62230",
"evidence": "/upstream"
},
{
"value": "CVE-2025-62231",
"evidence": "/upstream"
},
{
"value": "CVE-2025-9632",
"evidence": "/upstream"
}
],
"security_relevant": true,
"severity_evidence": null
},
"source_id": "core-osv",
"document_id": 392523,
"published_at": "2025-12-09T20:01:20+00:00"
}