{"id":"CVE-2026-54437","aliases":["EUVD-2026-122788","GHSA-2qpr-5p8f-j5q5"],"status":"published","title":"Vulnerabilities in the QNX io-char library Impacts QNX Software Development Platform","description":"Improper Input Validation in the io-char library's\nDCMD_CHR_TCINJECTC devctl() handler could allow an attacker with local access\nto cause data tampering in the memory input buffer of the Character I/O device\ndriver.","severity":{"version":"3.1","score":6.2,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-11","score":0.00152,"percentile":0.04375,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-1287"],"published":"2026-11-10T18:39:05Z","modified":"2026-11-10T21:33:59Z","products":[{"vendor":"blackberry ltd","product":"qnx software development platform"}],"references":[{"url":"https://support.blackberry.com/pkb/s/article/141341"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-54437"},{"url":"https://github.com/advisories/GHSA-2qpr-5p8f-j5q5"}],"sources":{"cve":[{"id":"CVE-2026-54437","title":"Vulnerabilities in the QNX io-char library Impacts QNX Software Development Platform","description":"Improper Input Validation in the io-char library's\nDCMD_CHR_TCINJECTC devctl() handler could allow an attacker with local access\nto cause data tampering in the memory input buffer of the Character I/O device\ndriver.","status":"published","published":"2026-11-10T18:39:05.986Z","modified":"2026-11-10T18:47:06.886Z","cvss":[{"version":"3.1","score":6.2,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N","level":"medium","assessor":"cna"}],"cwes":["CWE-1287"],"updated_at":"2026-11-10T19:39:59.74912Z"}],"euvd":[{"id":"EUVD-2026-122788","description":"Improper Input Validation in the io-char library's\nDCMD_CHR_TCINJECTC devctl() handler could allow an attacker with local access\nto cause data tampering in the memory input buffer of the Character I/O device\ndriver.","status":"published","published":"2026-11-10T18:39:05Z","modified":"2026-11-10T18:47:06Z","cvss":[{"version":"3.1","score":6.2,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N","level":"medium"}],"updated_at":"2026-11-11T00:25:06.270116Z"}],"ghsa":[{"id":"GHSA-2qpr-5p8f-j5q5","title":"Improper Input Validation in the io-char library's\nDCMD_CHR_TCINJECTC devctl() handler could...","description":"Improper Input Validation in the io-char library's\nDCMD_CHR_TCINJECTC devctl() handler could allow an attacker with local access\nto cause data tampering in the memory input buffer of the Character I/O device\ndriver.","status":"published","published":"2026-11-10T21:33:53Z","modified":"2026-11-10T21:33:59Z","cvss":[{"version":"3.1","score":6.2,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N","level":"medium"}],"cwes":["CWE-1287"],"updated_at":"2026-11-10T21:57:55.411542Z"}],"nvd":[{"id":"CVE-2026-54437","description":"Improper Input Validation in the io-char library's\nDCMD_CHR_TCINJECTC devctl() handler could allow an attacker with local access\nto cause data tampering in the memory input buffer of the Character I/O device\ndriver.","status":"published","published":"2026-11-10T19:21:16.647Z","modified":"2026-11-10T19:21:16.647Z","cvss":[{"version":"3.1","score":6.2,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N","level":"medium","assessor":"secondary"}],"cwes":["CWE-1287"],"updated_at":"2026-11-10T22:21:33.392456Z"}]}}