{"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"}}}}

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