CVE-2026-54436
Vulnerabilities in the QNX io-char library Impacts QNX Software Development Platform
Description
Heap-based Buffer Overflow in the io-char library's DCMD_CHR_WAITINFO devctl() handler could allow an attacker with local access to cause data tampering, arbitrary code execution, or a crash in the Character I/O device driver.
INFO
Published Date :
Nov. 10, 2026, 6:42 p.m.
Last Modified :
Nov. 10, 2026, 6:45 p.m.
Remotely Exploit :
No
Source :
blackberry
Affected Products
The following products are affected by CVE-2026-54436
vulnerability.
Even if cvefeed.io is aware of the exact versions of the
products
that
are
affected, the information is not represented in the table below.
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS 3.1 | HIGH | dbe78b00-5e7b-4fda-8748-329789ecfc5c | ||||
| CVSS 3.1 | HIGH | MITRE-CVE |
Solution
- Update the io-char library to the latest version.
- Apply security patches provided by the vendor.
- Recompile and redeploy affected applications.
- Verify the fix has been implemented correctly.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2026-54436 vulnerability anywhere in the article.