CVE-2026-54437

MEDIUM
MEDIUM Priority: 0.01 BB Relevance: 47/100
Published: 2026-11-10 Modified: 2026-11-12 First seen: 2026-11-10 Status: active

Attack Surface

Low Complexity No Auth No Interaction Integ. Impact

CVSS Vector Breakdown

AV: Local
AC: Low
PR: None
UI: None
S: Unchanged
C: None
I: High
A: None

Description

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.

Affected Software (6)

VendorProductVersion
BlackBerry Ltd QNX Software Development Platform cpe:2.3:a:blackberry:qnx_software_development_platform:8.0:*:*:*:*:*:*:*
BlackBerry Ltd QNX Software Development Platform cpe:2.3:a:blackberry:qnx_software_development_platform:7.1:*:*:*:*:*:*:*
BlackBerry Ltd QNX Software Development Platform cpe:2.3:a:blackberry:qnx_software_development_platform:7.0:*:*:*:*:*:*:*
BlackBerry Ltd QNX Software Development Platform cpe:2.3:a:blackberry:qnx_software_development_platform:8.0:*:*:*:*:*:*:*
BlackBerry Ltd QNX Software Development Platform cpe:2.3:a:blackberry:qnx_software_development_platform:7.1:*:*:*:*:*:*:*
BlackBerry Ltd QNX Software Development Platform cpe:2.3:a:blackberry:qnx_software_development_platform:7.0:*:*:*:*:*:*:*

Bug Bounty Relevance

47 / 100
✓ No authentication
✓ Low complexity
✓ No user interaction

CVSS Score

6.2 / 10.0 v3.1
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

EPSS — Exploitation Probability

0.15%
Raw Score 0.001520
Percentile 4.4%
Date 2026-11-14

EPSS Trend

2026-11-14
0.00152
2026-11-13
0.00152
2026-11-12
0.00152

Intelligence Sources

mitre ref →
nvd ref →