MediumFix available
xkbcomp — security advisory
Endless recursion exists in xkbcomp/expr.c in xkbcommon and libxkbcommon before 0.8.1, which could be used by local attackers to crash xkbcommon users by supplying a crafted keymap file that triggers boolean negation.
- Products
- xkbcomp
- Affected versions
- Not specified
- Fixed versions
- 1.5.0-r0
- CVEs
- CVE-2018-15853
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 31 Oct 2026, 21:58 UTC · Revision 1
Source evidence
Endless recursion exists in xkbcomp/expr.c in xkbcommon and libxkbcommon before 0.8.1, which could be used by local attackers to crash xkbcommon users by supplying a crafted keymap file that triggers boolean negation.
osv:ALPINE-CVE-2018-15853
xkbcomp
Fixed versions: 1.5.0-r0
xkbcomp
Fixed versions: 1.5.0-r0
xkbcomp
Fixed versions: 1.5.0-r0
xkbcomp
Fixed versions: 1.5.0-r0
xkbcomp
Fixed versions: 1.5.0-r0
xkbcomp
Fixed versions: 1.5.0-r0
xkbcomp
Fixed versions: 1.5.0-r0
Complete source record
{
"id": "89a5a0fabf023ec21384e20824772e46224cf705f66b2feb6427a9f68cf34f24",
"url": "https://osv.dev/vulnerability/ALPINE-CVE-2018-15853",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "ALPINE-CVE-2018-15853",
"summary": "Endless recursion exists in xkbcomp/expr.c in xkbcommon and libxkbcommon before 0.8.1, which could be used by local attackers to crash xkbcommon users by supplying a crafted keymap file that triggers boolean negation.",
"evidence": "osv:ALPINE-CVE-2018-15853",
"products": [
{
"name": {
"value": "xkbcomp",
"evidence": "/affected/0/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
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"evidence": "/affected/0/ranges"
}
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{
"name": {
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"evidence": "/affected/1/package/name"
},
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"fixed_versions": [
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"evidence": "/affected/1/ranges"
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{
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{
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{
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"severity": "medium",
"structured": {
"id": "ALPINE-CVE-2018-15853",
"aliases": [
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],
"metrics": [
{
"type": "CVSS_V3",
"score": "CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H"
}
],
"affected": [
{
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"package": {
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"package": {
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"ecosystem": "Alpine:v3.19"
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],
"package": {
"name": "xkbcomp",
"purl": "pkg:apk/alpine/xkbcomp?arch=source",
"ecosystem": "Alpine:v3.20"
},
"database_specific": {
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"package": {
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"ecosystem": "Alpine:v3.21"
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"package": {
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"ecosystem": "Alpine:v3.22"
},
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],
"package": {
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"ecosystem": "Alpine:v3.23"
},
"database_specific": {
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},
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{
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{
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],
"package": {
"name": "xkbcomp",
"purl": "pkg:apk/alpine/xkbcomp?arch=source",
"ecosystem": "Alpine:v3.24"
},
"database_specific": {
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},
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],
"modified": "2026-10-23T17:17:55.221605452Z",
"provider": "osv",
"upstream": [
"CVE-2018-15853"
],
"references": [
"https://security.alpinelinux.org/vuln/CVE-2018-15853"
]
},
"related_cves": [
{
"value": "CVE-2018-15853",
"evidence": "/upstream"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 415064,
"published_at": "2018-08-25T21:29:01.483+00:00"
}