{"id":"CVE-2026-110839","revision":null,"records":[{"revision":"6eff74f0b4574e8e8ef312f634984682","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2026-110839","aliases":[],"title":"FreeRDP 3.3.0 before 3.32.0 Heap Out-of-Bounds Write via Grayscale JPEG Clipboard Data","description":"FreeRDP 3.3.0 before 3.32.0, when built with WINPR_UTILS_IMAGE_JPEG=ON, has a heap-based out-of-bounds write in winpr_convert_from_jpeg because grayscale JPEG buffers are sized from one input component rather than three BGR output components. A malicious RDP server can offer a grayscale JPEG via clipboard redirection, corrupting client memory and crashing it when the item is pasted as CF_DIB bitmap data.","state":0,"publishedAt":"2026-10-14T22:52:14.54+00:00","modifiedAt":"2026-10-15T15:33:06.233+00:00","affected":[{"ecosystem":"Vendor product","name":"FreeRDP","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"vendor\": \"FreeRDP\",\n                    \"product\": \"FreeRDP\",\n                    \"defaultStatus\": \"unaffected\",\n                    \"versions\": [\n                        {\n                            \"version\": \"3.3.0\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"semver\",\n                            \"lessThan\": \"3.32.0\"\n                        },\n                        {\n                            \"version\": \"3.32.0\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        }\n                    ]\n                }"}],"metrics":[{"system":"CVSS 4.0","vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:L/VA:H/SC:N/SI:N/SA:N","score":7.1,"severity":"HIGH"},{"system":"CVSS 3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:H","score":7.1,"severity":"HIGH"}],"references":["https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-99p4-8j24-wvj4","https://www.vulncheck.com/advisories/freerdp-3.3.0-before-3.32.0-heap-out-of-bounds-write-via-grayscale-jpeg-clipboard-data"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-110839","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-110839","identifiers":["CVE-2026-110839"]},"retained":false,"historicalAffected":[]}],"coverage":[{"source":"cisa-kev:global","scope":"Complete CISA KEV catalog; all vendors. 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Not a global EPSS backfill.","generation":"2026-11-09T16:04:20.3337991+00:00","complete":true,"records":1096,"lastAttemptAt":"2026-11-09T16:04:20.3337991+00:00","lastSuccessAt":"2026-11-09T16:04:20.5371945+00:00","error":null,"lastVerifiedAt":"2026-11-09T16:04:20.5371945+00:00","snapshotPublishedAt":null,"importing":false,"stagedRecords":0,"checkedIdentifiers":null,"expectedIdentifiers":null,"failedIdentifiers":null},{"source":"nvd","scope":"Rolling NVD lookups of CVE aliases in current public OSV archives; 500 identifiers per refresh, rechecked after 48 hours. Not a global NVD catalog. Successful not-found lookups count as checked; they do not imply withdrawal or safety. No reader inventory is sent.","generation":"enrichment-8cc05ce4cf7c4475af30990d730fa017","complete":true,"records":13667,"lastAttemptAt":"2026-11-09T16:04:33.7462569+00:00","lastSuccessAt":"2026-11-09T16:04:33.741+00:00","error":null,"lastVerifiedAt":"2026-11-09T16:04:33.741+00:00","snapshotPublishedAt":null,"importing":false,"stagedRecords":0,"checkedIdentifiers":13707,"expectedIdentifiers":13707,"failedIdentifiers":0},{"source":"osv:Go","scope":"Complete OSV Go ecosystem archive, including withdrawn and malicious-package source records; statement counts are not unique CVE counts","generation":"go-980593e6977a6d1b4fb1eed5a1ffe88a468736f89f0a06f710924ad59132c023","complete":true,"records":9914,"lastAttemptAt":"2026-11-09T16:04:20.1708791+00:00","lastSuccessAt":"2026-11-08T11:07:07.068788+00:00","error":null,"lastVerifiedAt":"2026-11-09T16:04:20.1708791+00:00","snapshotPublishedAt":"2026-11-08T11:02:46+00:00","importing":false,"stagedRecords":0,"checkedIdentifiers":null,"expectedIdentifiers":null,"failedIdentifiers":null},{"source":"osv:NuGet","scope":"Complete OSV NuGet ecosystem archive, including GitHub Advisory Database records; NuGet version matching only","generation":"nuget-fde804134ecdda0ddd5ff5c26ee1fff5a6fa659311f7ef2e51c6ad54964db0e2","complete":true,"records":1971,"lastAttemptAt":"2026-11-09T16:02:16.0730731+00:00","lastSuccessAt":"2026-11-06T19:03:17.0399903+00:00","error":null,"lastVerifiedAt":"2026-11-09T16:02:16.0730731+00:00","snapshotPublishedAt":"2026-11-06T18:17:57+00:00","importing":false,"stagedRecords":0,"checkedIdentifiers":null,"expectedIdentifiers":null,"failedIdentifiers":null},{"source":"osv:crates.io","scope":"Complete OSV crates.io ecosystem archive, including withdrawn and malicious-package source records; statement counts are not unique CVE counts","generation":"crates.io-c905fa1bd26c7b261e77cc7202a86dc766ff31c2b096b501f3bf44f561e34970","complete":true,"records":3063,"lastAttemptAt":"2026-11-09T16:04:20.2823229+00:00","lastSuccessAt":"2026-11-09T12:02:21.7931207+00:00","error":null,"lastVerifiedAt":"2026-11-09T16:04:20.2823229+00:00","snapshotPublishedAt":"2026-11-09T11:18:00+00:00","importing":false,"stagedRecords":0,"checkedIdentifiers":null,"expectedIdentifiers":null,"failedIdentifiers":null},{"source":"osv:npm","scope":"Complete OSV npm ecosystem archive, including withdrawn and malicious-package source records; statement counts are not unique CVE counts","generation":"npm-e88565d90b43c4a1bda916e33427c1b6f49f68cfbb010c54e1b5410320dbe0cf","complete":true,"records":231301,"lastAttemptAt":"2026-11-09T16:04:20.0393138+00:00","lastSuccessAt":"2026-11-09T16:04:18.2915457+00:00","error":null,"lastVerifiedAt":"2026-11-09T16:04:20.0393138+00:00","snapshotPublishedAt":"2026-11-09T15:33:10+00:00","importing":false,"stagedRecords":0,"checkedIdentifiers":null,"expectedIdentifiers":null,"failedIdentifiers":null}]}