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
AI Analysis

Analysis and contextual insights are available on OpenCVE Cloud.

Remediation

No solution or workaround provided in the CVE record.

Additional remediation guidance may be available on OpenCVE Cloud.

Tracking

Sign in to view the affected projects.

Advisories

No advisories yet.

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

No data.

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