CVE-2026-54437
Vulnerabilities in the QNX io-char library Impacts QNX Software Development Platform
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.
Attack profile
How easy it is to exploit
- Attack vector
- Local
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- None
- Integrity
- High
- Availability
- None
What each source reports
CVE List Score used
Vulnerabilities in the QNX io-char library Impacts QNX Software Development Platform
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.
- Record
CVE-2026-54437- CVSS 3.1
- 6.2 Medium
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N - Weakness
- CWE-1287
- Updated
- 2026-11-10
EUVDEUVD-2026-122788
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.
- Record
EUVD-2026-122788- CVSS 3.1
- 6.2 Medium
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N - Updated
- 2026-11-11
GitHub AdvisoriesGHSA-2qpr-5p8f-j5q5
Improper Input Validation in the io-char library's DCMD_CHR_TCINJECTC devctl() handler could...
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.
- Record
GHSA-2qpr-5p8f-j5q5- CVSS 3.1
- 6.2 Medium
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N - Weakness
- CWE-1287
- Updated
- 2026-11-10
NVD
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.
- Record
CVE-2026-54437- CVSS 3.1
- 6.2 Medium
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N - Weakness
- CWE-1287
- Updated
- 2026-11-10
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| published | EUVD | |
| published | EUVD, NVD | |
| aliases, references | GitHub Advisories | |
| aliases, published | EUVD | |
| first indexed | CVE List |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2026-54437 is a medium vulnerability (CVSS 6.2) in Blackberry Ltd Qnx Software Development Platform, published November 10, 2026. No source lists public exploit code. No source names a fixed version.