HIGHCVSS v3.1 7.4Vulnerability
CVE-2026-54436
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.
Properties
- Severity
- HIGH
- Nvd fetched at
- 2026-11-10T23:33:48.924589+00:00
- Cvss severity
- HIGH
- Cvss score
- 7.4
- Retrieved at
- 2026-11-10T23:34:23+00:00
- Score
- 7.4
- Cvss version
- 3.1
- Last source
- NVD
- Cve id
- CVE-2026-54436
- Cvss vector
- CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
- First seen by Signal
- 2026-11-10T19:28:56+00:00
- Vector
- CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
- Published at
- 2026-11-10T19:21:16.513
- Last modified
- 2026-11-10T19:21:16.513
Related Entities (1)
HAS_WEAKNESS (1)
Related research
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