Dashboard / CVE-2026-123976

CVE-2026-123976

MEDIUM
MEDIUM Priority: 0.01 BB Relevance: 39/100
Published: 2026-11-06 Modified: 2026-11-12 First seen: 2026-11-06 Status: active

Attack Surface

Low Complexity No Auth

CVSS Vector Breakdown

AV: Local
AC: Low
PR: None
UI: Passive
S: X
AT: None
VC: None
VI: None
VA: High

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.

Weakness Classification (1)

Affected Software (2)

VendorProductVersion
Teunis van Beelen EDFbrowser 0 < 2.16
Teunis van Beelen EDFbrowser 0 < 2.16

References & Advisories (6)

Bug Bounty Relevance

39 / 100
✓ No authentication
✓ Low complexity

CVSS Score

6.8 / 10.0 v4.0
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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

EPSS — Exploitation Probability

0.12%
Raw Score 0.001210
Percentile 2.0%
Date 2026-11-13

EPSS Trend

2026-11-13
0.00121
2026-11-12
0.00121
2026-11-10
0.00121
2026-11-09
0.00121
2026-11-08
0.00121
2026-11-07
0.00121

Intelligence Sources

mitre ref →
nvd ref →

External Links