HighFix available
xorg-server — security advisory
A flaw was found in X.Org Server before xorg-x11-server 1.20.9. An Integer underflow leading to heap-buffer overflow may lead to a privilege escalation vulnerability. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability.
- Products
- xorg-server
- Affected versions
- Not specified
- Fixed versions
- 1.20.3-r2, 1.20.5-r2, 1.20.6-r2, 1.20.9-r0
- CVEs
- CVE-2020-14362
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 1 Nov 2026, 12:02 UTC · Revision 1
Source evidence
A flaw was found in X.Org Server before xorg-x11-server 1.20.9. An Integer underflow leading to heap-buffer overflow may lead to a privilege escalation vulnerability. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability.
osv:ALPINE-CVE-2020-14362
xorg-server
Fixed versions: 1.20.5-r2
xorg-server
Fixed versions: 1.20.6-r2
xorg-server
Fixed versions: 1.20.9-r0
xorg-server
Fixed versions: 1.20.3-r2
Complete source record
{
"id": "eef0956d43c52d69597bb1d89e34b4c80fd708d2769e28f7ab89b583f7c1cd3b",
"url": "https://osv.dev/vulnerability/ALPINE-CVE-2020-14362",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "ALPINE-CVE-2020-14362",
"summary": "A flaw was found in X.Org Server before xorg-x11-server 1.20.9. An Integer underflow leading to heap-buffer overflow may lead to a privilege escalation vulnerability. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability.",
"evidence": "osv:ALPINE-CVE-2020-14362",
"products": [
{
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"evidence": "/affected/0/package/name"
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{
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],
"severity": "high",
"structured": {
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"aliases": [
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"metrics": [
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"type": "CVSS_V3",
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}
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"ecosystem": "Alpine:v3.10"
},
"database_specific": {
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{
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"package": {
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{
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"package": {
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"ecosystem": "Alpine:v3.12"
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"database_specific": {
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{
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],
"package": {
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"purl": "pkg:apk/alpine/xorg-server?arch=source",
"ecosystem": "Alpine:v3.9"
},
"database_specific": {
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},
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],
"modified": "2026-10-26T11:17:55.124390583Z",
"provider": "osv",
"upstream": [
"CVE-2020-14362"
],
"references": [
"https://security.alpinelinux.org/vuln/CVE-2020-14362"
]
},
"related_cves": [
{
"value": "CVE-2020-14362",
"evidence": "/upstream"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 450414,
"published_at": "2020-09-15T19:15:12.887+00:00"
}