Vulnerability in Blackberry Ltd Qnx Software Development Platform

CVE-2026-54437

Improper Input Validation in the io-char library's DCMD_CHR_TCINJECTC devctl() handler could allow an attacker with local access to cause data tampering in the memory input buffer of the Character I/O device driver.

Published .

CVSS v3 metric

CVSS v3 base score 6.2 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N.

EPSS exploit prediction

No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.

Affected products

  • Blackberry Ltd Qnx Software Development Platform — versions cpe:2.3:a:blackberry:qnx_software_development_platform:7.0:*:*:*:*:*:*:*, cpe:2.3:a:blackberry:qnx_software_development_platform:7.1:*:*:*:*:*:*:*, cpe:2.3:a:blackberry:qnx_software_development_platform:8.0:*:*:*:*:*:*:*

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-54437?
CVE-2026-54437 is a medium-severity vulnerability in Blackberry Ltd Qnx Software Development Platform, classified under CWE-1287. CVSS score: 6.2/10. Published 2026-11-10.
How severe is CVE-2026-54437?
Medium severity. CVSS v3 base score is 6.2 out of 10.