{"id":"CVE-2026-109242","published":"2026-10-12T17:17:15.023","lastModified":"2026-10-15T03:17:07.077","description":"FreeRDP before 3.0.0 and 3.6.0 before 3.32.0 renders uninitialized heap memory from un-decoded progressive tiles because the tile->current buffer is allocated without zeroing. A malicious RDP server can send a crafted WBT_TILE_FIRST then WBT_TILE_UPGRADE sequence to paint heap bytes onscreen or abort the client process.","cvssScore":7.1,"cvssSeverity":"HIGH","cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:H","cwes":["CWE-908"],"vendors":[],"products":[],"references":[{"url":"https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-4mpr-hmqx-83q8","tags":[]},{"url":"https://www.vulncheck.com/advisories/freerdp-before-3.0.0-and-3.6.0-before-3.32.0-uninitialized-heap-disclosure-via-progressive-codec-tile-upgrade","tags":[]},{"url":"https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-4mpr-hmqx-83q8","tags":[]}],"exploitRefs":[{"url":"https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-4mpr-hmqx-83q8","tags":[]},{"url":"https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-4mpr-hmqx-83q8","tags":[]}],"hasPoc":true,"ai":null}