{"id":"CVE-2026-84420","state":"PUBLISHED","title":"Out-of-Bounds Write and Out-of-Bounds Read","description":"Out-of-bounds read vulnerability in Citirx Citrix Workspace app for Windows.\n\nThis issue affects Citrix Workspace app for Windows: before 2603.20 CR, before LTSR 2607, and before LTSR 2507 CU3.","publishedAt":"2026-10-13T21:47:44.392Z","updatedAt":"2026-10-14T18:26:55.638Z","severity":{"score":5.8,"label":"Medium","version":"4.0","vector":"CVSS:4.0/AV:L/AC:H/AT:P/PR:L/UI:N/VC:L/VI:L/VA:H/SC:N/SI:N/SA:N","source":"Citrix"},"assigner":"Citrix","products":["Citirx Citrix Workspace app for Windows"],"affected":[{"vendor":"Citirx","product":"Citrix Workspace app for Windows","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThan":"2603.20 CR","versionType":"patch"},{"version":"0","status":"affected","lessThan":"LTSR 2607","versionType":"patch"},{"version":"0","status":"affected","lessThan":"LTSR 2507 CU3","versionType":"patch"}]}],"references":["https://support.citrix.com/support-home/kbsearch/article?articleNumber=CTX697181"],"weaknesses":["CWE-125"],"ingestedAt":"2026-10-29T20:13:15.269Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/84xxx/CVE-2026-84420.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-84420","state":"PUBLISHED","datePublished":"2026-10-13T21:47:44.392Z","dateUpdated":"2026-10-14T18:26:55.638Z","assignerShortName":"Citrix","assignerOrgId":"e437aed5-38e0-4fa3-a98b-cb73e7acaec6","dateReserved":"2026-09-01T17:47:17.683Z"},"containers":{"cna":{"title":"Out-of-Bounds Write and Out-of-Bounds Read","descriptions":[{"lang":"en","value":"Out-of-bounds read vulnerability in Citirx Citrix Workspace app for Windows.\n\nThis issue affects Citrix Workspace app for Windows: before 2603.20 CR, before LTSR 2607, and before LTSR 2507 CU3."}],"affected":[{"vendor":"Citirx","product":"Citrix Workspace app for Windows","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThan":"2603.20 CR","versionType":"patch"},{"version":"0","status":"affected","lessThan":"LTSR 2607","versionType":"patch"},{"version":"0","status":"affected","lessThan":"LTSR 2507 CU3","versionType":"patch"}]}],"references":[{"url":"https://support.citrix.com/support-home/kbsearch/article?articleNumber=CTX697181"}],"metrics":[{"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}],"cvssV4_0":{"attackVector":"LOCAL","attackComplexity":"HIGH","attackRequirements":"PRESENT","privilegesRequired":"LOW","userInteraction":"NONE","vulnConfidentialityImpact":"LOW","subConfidentialityImpact":"NONE","vulnIntegrityImpact":"LOW","subIntegrityImpact":"NONE","vulnAvailabilityImpact":"HIGH","subAvailabilityImpact":"NONE","exploitMaturity":"NOT_DEFINED","Safety":"NOT_DEFINED","Automatable":"NOT_DEFINED","Recovery":"NOT_DEFINED","valueDensity":"NOT_DEFINED","vulnerabilityResponseEffort":"NOT_DEFINED","providerUrgency":"NOT_DEFINED","version":"4.0","baseSeverity":"MEDIUM","baseScore":5.8,"vectorString":"CVSS:4.0/AV:L/AC:H/AT:P/PR:L/UI:N/VC:L/VI:L/VA:H/SC:N/SI:N/SA:N"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-125","lang":"en","description":"CWE-125 Out-of-bounds read","type":"CWE"}]}],"providerMetadata":{"shortName":"Citrix","orgId":"e437aed5-38e0-4fa3-a98b-cb73e7acaec6","dateUpdated":"2026-10-13T21:47:44.392Z"},"datePublic":"2026-10-13T21:44:00.000Z","source":{"discovery":"UNKNOWN"},"x_generator":{"engine":"Vulnogram 1.0.5"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-10-14T18:26:33.901287Z","id":"CVE-2026-84420","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-125","type":"CWE","lang":"en","description":"CWE-125 Out-of-bounds Read"}]}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-10-14T18:26:55.638Z"}}]}}}