MEDIUMCVSS v3.1 5.5Vulnerability

CVE-2026-123976

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.

Properties

Severity
MEDIUM
Nvd fetched at
2026-11-07T06:40:34.987550+00:00
Cvss score
5.5
Cvss severity
MEDIUM
Retrieved at
2026-11-07T06:41:39+00:00
Score
5.5
Last source
NVD
Cvss version
3.1
Cve id
CVE-2026-123976
Cvss vector
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
First seen by Signal
2026-11-06T18:25:35+00:00
Name
CVE-2026-123976
Vector
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Published at
2026-11-06T18:18:05.877
Last modified
2026-11-06T18:18:05.877

Related Entities (1)

HAS_WEAKNESS (1)

→[Weakness]Out-of-bounds Write

Explore deeper with Ninja Signal's threat intelligence graph

CVE-2026-123976 (CVSS v3.1 5.5) — Ninja Signal Threat Intelligence | Ninja Signal