{"id":"CVE-2026-54436","published":"2026-11-10T19:21:16.513","lastModified":"2026-11-10T19:21:16.513","description":"Heap-based Buffer\nOverflow in the io-char library's DCMD_CHR_WAITINFO devctl() handler could\nallow an attacker with local access to cause data tampering, arbitrary code\nexecution, or a crash in the Character I/O device driver.","cvssScore":7.4,"cvssSeverity":"HIGH","cvssVector":"CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H","cwes":["CWE-122"],"vendors":[],"products":[],"references":[{"url":"https://support.blackberry.com/pkb/s/article/141341","tags":[]}],"exploitRefs":[],"hasPoc":false,"ai":null}