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.
Analysis
Analysis and contextual insights are available on OpenCVE Cloud.
Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).
| Vendor | Product | Default status | Versions | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| BlackBerry Ltd | QNX Software Development Platform | unaffected |
|
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No data available yet.
No vendor fix or workaround currently provided.
Additional remediation guidance may be available on OpenCVE Cloud.
Tracking
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| Link | Providers |
|---|---|
| https://support.blackberry.com/pkb/s/article/141341 |
|
Tue, 10 Nov 2026 19:00:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| 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. | |
| Title | Vulnerabilities in the QNX io-char library Impacts QNX Software Development Platform | |
| Weaknesses | CWE-122 | |
| References |
| |
| Metrics |
cvssV3_1
|
Subscriptions
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MITRE
Status: PUBLISHED
Assigner: blackberry
Published:
Updated: 2026-11-10T18:45:12.077Z
Reserved: 2026-06-15T15:26:06.017Z
Link: CVE-2026-54436
Vulnrichment
No data.
NVD
Status : Received
Published: 2026-11-10T19:21:16.513
Modified: 2026-11-10T19:21:16.513
Link: CVE-2026-54436
Redhat
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OpenCVE Enrichment
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