{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-109088", "assignerOrgId": "404e59f5-483d-4b8a-8e7a-e67604dd8afb", "state": "PUBLISHED", "assignerShortName": "suse", "dateReserved": "2026-10-12T06:41:23.778Z", "datePublished": "2026-10-27T16:26:20.597Z", "dateUpdated": "2026-10-27T16:26:20.597Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "404e59f5-483d-4b8a-8e7a-e67604dd8afb", "shortName": "suse", "dateUpdated": "2026-10-27T16:26:20.597Z"}, "title": "libXtst RECORD EnableContext Reply Endless Loop", "datePublic": "2026-10-27T16:10:00.000Z", "problemTypes": [{"descriptions": [{"lang": "en", "cweId": "CWE-835", "description": "CWE-835 Loop with unreachable exit condition ('infinite loop')", "type": "CWE"}]}], "impacts": [{"capecId": "CAPEC-227", "descriptions": [{"lang": "en", "value": "CAPEC-227 Sustained Client Engagement"}]}], "affected": [{"vendor": "X.org", "product": "libXtst", "packageName": "libXtst", "repo": "https://gitlab.freedesktop.org/xorg/lib/libxtst", "versions": [{"status": "affected", "version": "0", "lessThan": "1.2.6", "versionType": "rpm"}], "defaultStatus": "unaffected"}], "cpeApplicability": [{"operator": "OR", "nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:a:x.org:libxtst:*:*:*:*:*:*:*:*", "versionStartIncluding": "0", "versionEndExcluding": "1.2.6"}]}]}], "descriptions": [{"lang": "en", "value": "A malicious X server could send malformed\u00a0\u00a0RECORD EnableContext\u00a0reolies that can cause a X client using the\u00a0parse_reply_call_callback function in libXtst before 1.2.6 to enter a endless loop.", "supportingMedia": [{"type": "text/html", "base64": false, "value": "A malicious X server could send malformed&nbsp;&nbsp;<span>RECORD EnableContext</span>&nbsp;reolies that can cause a X client using the&nbsp;<span>parse_reply_call_callback function in libXtst before 1.2.6 to enter a endless loop.&nbsp;</span>"}]}], "references": [{"url": "https://gitlab.freedesktop.org/xorg/lib/libxtst/-/merge_requests/11", "tags": ["patch"]}], "metrics": [{"format": "CVSS", "scenarios": [{"lang": "en", "value": "GENERAL"}], "cvssV3_1": {"version": "3.1", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "REQUIRED", "scope": "UNCHANGED", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "availabilityImpact": "HIGH", "baseSeverity": "MEDIUM", "baseScore": 6.5, "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H"}}], "credits": [{"lang": "en", "value": "Kaya Emre Arikan", "type": "finder"}], "source": {"discovery": "EXTERNAL"}, "x_generator": {"engine": "Vulnogram 1.0.5"}}}}

{}

{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "packageName": "libXtst", "product": "libXtst", "repo": "https://gitlab.freedesktop.org/xorg/lib/libxtst", "vendor": "X.org", "versions": [{"lessThan": "1.2.6", "status": "affected", "version": "0", "versionType": "rpm"}]}], "source": "meissner@suse.de"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "A malicious X server could send malformed\u00a0\u00a0RECORD EnableContext\u00a0reolies that can cause a X client using the\u00a0parse_reply_call_callback function in libXtst before 1.2.6 to enter a endless loop."}], "id": "CVE-2026-109088", "lastModified": "2026-10-27T17:16:57.680", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 6.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 3.6, "source": "meissner@suse.de", "type": "Secondary"}]}, "published": "2026-10-27T17:16:57.680", "references": [{"source": "meissner@suse.de", "url": "https://gitlab.freedesktop.org/xorg/lib/libxtst/-/merge_requests/11"}], "sourceIdentifier": "meissner@suse.de", "vulnStatus": "Received", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-835"}], "source": "meissner@suse.de", "type": "Primary"}]}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "[0,1.2.6)"}}], "enrichment": {"confidence": 95.0, "confidence_source": "inferred", "scores": [{"score": 95.0, "source": "inferred"}, {"score": 100.0, "source": "matching"}]}, "original": {"product": "libXtst", "source": "cna", "vendor": "X.org"}, "product": "libxtst", "vendor": "x.org"}], "created": "2026-10-27T17:30:07.277394+00:00", "updated": "2026-10-27T17:30:07.277445+00:00", "vendors": ["x.org", "x.org$PRODUCT$libxtst"]}