CVE-2026-123976

MediumCVSS 5.5/10Last modified Nov 12, 2026

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.

Metrics

CVSS 3.1 5.5/10CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Weakness enumeration

CWE-787

Affected software

Vendor	Product	Versions
Teunis van Beelen	EDFbrowser	< 2.16

References

Timeline

Published: Nov 6, 2026
Last modified: Nov 12, 2026
NVD status: Deferred

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