{ "dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": { "cveId": "CVE-2026-111881", "assignerOrgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10", "state": "PUBLISHED", "assignerShortName": "VulnCheck", "dateReserved": "2026-10-17T12:15:56.789Z", "datePublished": "2026-10-17T18:46:09.069Z", "dateUpdated": "2026-10-17T18:46:09.069Z" }, "containers": { "cna": { "providerMetadata": { "orgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10", "shortName": "VulnCheck", "dateUpdated": "2026-10-17T18:46:09.069Z" }, "datePublic": "2026-10-02T00:00:00.000Z", "title": "FreeRDP 3.14.1 before 3.32.0 Integer Underflow in BMP Writer via Clipboard", "descriptions": [ { "lang": "en", "value": "FreeRDP from 3.14.1 before 3.32.0 contains an integer underflow in the WinPR BMP writer, where a mismatched stride calculation passes SIZE_MAX - 3 to Stream_Zero for sub-byte images. A malicious RDP clipboard peer can return a crafted 1-bpp BMP processed by clipboard_synthesize_image_format_to_bmp for CF_DIB/CF_DIBV5, crashing the client or causing an out-of-bounds write." } ], "problemTypes": [ { "descriptions": [ { "lang": "en", "description": "Integer Underflow (Wrap or Wraparound)", "cweId": "CWE-191", "type": "CWE" } ] } ], "affected": [ { "vendor": "FreeRDP", "product": "FreeRDP", "defaultStatus": "unaffected", "versions": [ { "version": "3.14.1", "status": "affected", "versionType": "semver", "lessThan": "3.32.0" }, { "version": "3.32.0", "status": "unaffected", "versionType": "semver" } ] } ], "cpeApplicability": [ { "nodes": [ { "operator": "OR", "negate": false, "cpeMatch": [ { "vulnerable": true, "criteria": "cpe:2.3:a:freerdp:freerdp:*:*:*:*:*:*:*:*", "versionStartIncluding": "3.14.1", "versionEndExcluding": "3.32.0" } ] } ] } ], "metrics": [ { "format": "CVSS", "cvssV4_0": { "version": "4.0", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:L/VI:L/VA:H/SC:N/SI:N/SA:N", "attackVector": "NETWORK", "attackComplexity": "LOW", "attackRequirements": "NONE", "privilegesRequired": "NONE", "userInteraction": "PASSIVE", "vulnConfidentialityImpact": "LOW", "vulnIntegrityImpact": "LOW", "vulnAvailabilityImpact": "HIGH", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "subAvailabilityImpact": "NONE", "baseScore": 7.2, "baseSeverity": "HIGH" } }, { "format": "CVSS", "cvssV3_1": { "version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:H", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "REQUIRED", "scope": "UNCHANGED", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "availabilityImpact": "HIGH", "baseScore": 7.6, "baseSeverity": "HIGH" } } ], "references": [ { "url": "https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-27m7-gwhh-6hhf", "tags": [ "vendor-advisory" ], "name": "GitHub Security Advisory (GHSA-27m7-gwhh-6hhf)" }, { "name": "VulnCheck Advisory: FreeRDP 3.14.1 before 3.32.0 Integer Underflow in BMP Writer via Clipboard", "tags": [ "third-party-advisory" ], "url": "https://www.vulncheck.com/advisories/freerdp-3.14.1-before-3.32.0-integer-underflow-in-bmp-writer-via-clipboard" } ], "credits": [ { "lang": "en", "value": "Kushalkhemka", "type": "finder" }, { "lang": "en", "value": "opensec-intelligence", "type": "finder" }, { "lang": "en", "value": "mayank-jangid-moon", "type": "finder" }, { "lang": "en", "value": "skigeek16", "type": "finder" } ], "x_generator": { "engine": "vulncheck-endgame" } } } }