{"id":"CVE-2026-57256","state":"PUBLISHED","title":"Foxit Editor/Reader List Box Format Use-After-Free Vulnerability","description":"When the application opens a PDF and executes JavaScript, it performs abnormal operations on the list box field, and this operation is repeated after the form is reset. During this process, the application failed to adequately verify the validity of the form objects and their internal dictionary pointers, resulting in accessing internal members of invalid or improperly initialized fields. This led to an illegal pointer read, ultimately causing the application to crash.","publishedAt":"2026-07-08T07:35:59.810Z","updatedAt":"2026-07-09T17:37:54.106Z","severity":{"score":7.8,"label":"High","version":"3.1","vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","source":"Foxit"},"assigner":"Foxit","products":["Foxit Software Inc. Foxit PDF Editor","Foxit Software Inc. Foxit PDF Reader"],"affected":[{"vendor":"Foxit Software Inc.","product":"Foxit PDF Editor","defaultStatus":"unaffected","versions":[{"version":"Versions 2026.1.1 and earlier","status":"affected"},{"version":"Versions 14.0.4 and earlier","status":"affected"},{"version":"Versions 13.2.4 and earlier","status":"affected"}],"platforms":["Windows"]},{"vendor":"Foxit Software Inc.","product":"Foxit PDF Editor","defaultStatus":"unaffected","versions":[{"version":"Versions 2026.1.1 and earlier","status":"affected"},{"version":"Versions 14.0.3 and earlier","status":"affected"}],"platforms":["MacOS"]},{"vendor":"Foxit Software Inc.","product":"Foxit PDF Reader","defaultStatus":"unaffected","versions":[{"version":"Versions 2026.1.1 and earlier","status":"affected"}],"platforms":["Windows","MacOS"]}],"references":["https://www.foxit.com/support/security-bulletins.html","https://www.talosintelligence.com/vulnerability_reports/TALOS-2026-2420"],"weaknesses":["CWE-416"],"ingestedAt":"2026-10-29T20:12:24.861Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/57xxx/CVE-2026-57256.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-57256","state":"PUBLISHED","datePublished":"2026-07-08T07:35:59.810Z","dateUpdated":"2026-07-09T17:37:54.106Z","assignerShortName":"Foxit","assignerOrgId":"14984358-7092-470d-8f34-ade47a7658a2","dateReserved":"2026-06-24T03:01:18.718Z"},"containers":{"cna":{"title":"Foxit Editor/Reader List Box Format Use-After-Free Vulnerability","descriptions":[{"lang":"en","value":"When the application opens a PDF and executes JavaScript, it performs abnormal operations on the list box field, and this operation is repeated after the form is reset. During this process, the application failed to adequately verify the validity of the form objects and their internal dictionary pointers, resulting in accessing internal members of invalid or improperly initialized fields. This led to an illegal pointer read, ultimately causing the application to crash."}],"affected":[{"vendor":"Foxit Software Inc.","product":"Foxit PDF Editor","defaultStatus":"unaffected","versions":[{"version":"Versions 2026.1.1 and earlier","status":"affected"},{"version":"Versions 14.0.4 and earlier","status":"affected"},{"version":"Versions 13.2.4 and earlier","status":"affected"}],"platforms":["Windows"]},{"vendor":"Foxit Software Inc.","product":"Foxit PDF Editor","defaultStatus":"unaffected","versions":[{"version":"Versions 2026.1.1 and earlier","status":"affected"},{"version":"Versions 14.0.3 and earlier","status":"affected"}],"platforms":["MacOS"]},{"vendor":"Foxit Software Inc.","product":"Foxit PDF Reader","defaultStatus":"unaffected","versions":[{"version":"Versions 2026.1.1 and earlier","status":"affected"}],"platforms":["Windows","MacOS"]}],"references":[{"url":"https://www.foxit.com/support/security-bulletins.html"}],"metrics":[{"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}],"cvssV3_1":{"version":"3.1","attackVector":"LOCAL","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"REQUIRED","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"HIGH","availabilityImpact":"HIGH","baseSeverity":"HIGH","baseScore":7.8,"vectorString":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-416","lang":"en","description":"CWE-416 Use after free","type":"CWE"}]}],"providerMetadata":{"shortName":"Foxit","orgId":"14984358-7092-470d-8f34-ade47a7658a2","dateUpdated":"2026-07-08T07:35:59.810Z"},"impacts":[{"descriptions":[{"lang":"en","value":"Potential arbitrary code execution"}]}],"credits":[{"lang":"en","value":"KPC of Cisco Talos","type":"finder"}],"x_generator":{"engine":"Vulnogram 1.0.2"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-07-08T12:38:44.758991Z","id":"CVE-2026-57256","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"total"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-07-08T12:38:50.575Z"}},{"title":"CVE Program Container","references":[{"url":"https://www.talosintelligence.com/vulnerability_reports/TALOS-2026-2420"}],"providerMetadata":{"shortName":"CVE","orgId":"af854a3a-2127-422b-91ae-364da2661108","dateUpdated":"2026-07-09T17:37:54.106Z"}}]}}}