CVE-2026-54437

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{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "QNX Software Development Platform", "vendor": "BlackBerry Ltd", "versions": [{"status": "affected", "version": "cpe:2.3:a:blackberry:qnx_software_development_platform:8.0:*:*:*:*:*:*:*", "versionType": "cpe"}, {"status": "affected", "version": "cpe:2.3:a:blackberry:qnx_software_development_platform:7.1:*:*:*:*:*:*:*", "versionType": "cpe"}, {"status": "affected", "version": "cpe:2.3:a:blackberry:qnx_software_development_platform:7.0:*:*:*:*:*:*:*", "versionType": "cpe"}]}], "source": "secure@blackberry.com"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "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."}], "id": "CVE-2026-54437", "lastModified": "2026-11-12T19:34:34.183", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "NONE", "baseScore": 6.2, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N", "version": "3.1"}, "exploitabilityScore": 2.5, "impactScore": 3.6, "source": "secure@blackberry.com", "type": "Secondary"}]}, "published": "2026-11-10T19:21:16.647", "references": [{"source": "secure@blackberry.com", "url": "https://support.blackberry.com/pkb/s/article/141341"}], "sourceIdentifier": "secure@blackberry.com", "vulnStatus": "Deferred", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-1287"}], "source": "secure@blackberry.com", "type": "Secondary"}]}

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{"created": "2026-11-12T03:30:21.823159+00:00", "updated": "2026-11-12T21:45:09.351233+00:00", "vendors": []}