Answer in brief
CVE-2026-54437 records a Medium severity (CVSS 6.2) vulnerability in Vulnerabilities in the QNX io-char library Impacts QNX Software Development Platform. The current sources do not mark it as known exploited. The current feed maps BlackBerry Ltd/QNX Software Development Platform (generic). Check affected ranges and fixed versions before updating.
Analysis pending evidence review
HOL Guard separates source facts from reviewed analysis. See the methodology.
CVSS is 6.2. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.
Analysis status
Analysis pending evidence review
Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.
The current feed maps BlackBerry Ltd/QNX Software Development Platform (generic). Check affected ranges and fixed versions before updating.
| Package | Affected range | Fixed version |
|---|---|---|
| BlackBerry Ltd/QNX Software Development Platformgeneric | cpe:2.3:a:blackberry:qnx_software_development_platform:8.0:*:*:*:*:*:*:* || cpe:2.3:a:blackberry:qnx_software_development_platform:7.1:*:*:*:*:*:*:* || cpe:2.3:a:blackberry:qnx_software_development_platform:7.0:*:*:*:*:*:*:* | Not reported |
Published upstream
Nov 10, 2026
Evidence: source:cvelist:source_dates:source-dates:recordSource modified
Nov 10, 2026
Evidence: source:cvelist:source_dates:source-dates:recordFirst seen by HOL
Nov 10, 2026
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.
Quoted source text, attributed separately from HOL analysis.