Description
EDFbrowser before 2.16 contains an out-of-bounds write vulnerability in check_edf_file() that allows attackers to overflow the 256-element annot_ch array by supplying excessive annotation signals. Attackers can craft an EDF+ or BDF+ file with more than 256 annotation signals to overwrite edfhdrblock members, including the signal parameter pointer, crashing the application when opened.
Published: 2026-11-06
Score: 6.8 Medium
EPSS: n/a
KEV: No
Impact: n/a
Action: n/a
AI Analysis

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Remediation

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History

Fri, 06 Nov 2026 18:15:00 +0000

Type Values Removed Values Added
Description EDFbrowser before 2.16 contains an out-of-bounds write vulnerability in check_edf_file() that allows attackers to overflow the 256-element annot_ch array by supplying excessive annotation signals. Attackers can craft an EDF+ or BDF+ file with more than 256 annotation signals to overwrite edfhdrblock members, including the signal parameter pointer, crashing the application when opened.
Title EDFbrowser before 2.16 Out-of-Bounds Write via check_edf_file() Annotation Signals
Weaknesses CWE-787
References
Metrics cvssV3_1

{'score': 5.5, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H'}

cvssV4_0

{'score': 6.8, 'vector': 'CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N'}

Subscriptions

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cve-icon MITRE

Status: PUBLISHED

Assigner: VulnCheck

Published:

Updated: 2026-11-06T17:58:31.600Z

Reserved: 2026-11-06T17:54:14.114Z

Link: CVE-2026-123976

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Received

Published: 2026-11-06T18:18:05.877

Modified: 2026-11-06T18:18:05.877

Link: CVE-2026-123976

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.

Weaknesses