๐Ÿ” CVE Alert

CVE-2026-0961

MEDIUM 5.5

Out-of-bounds Write in Wireshark

CVSS Score
5.5
EPSS Score
0.0%
EPSS Percentile
6th

BLF file parser crash in Wireshark 4.6.0 to 4.6.2 and 4.4.0 to 4.4.12 allows denial of service

CWE CWE-787
Vendor wireshark foundation
Product wireshark
Published Jan 14, 2026
Last Updated Mar 27, 2026
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CVSS v3 Breakdown

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Attack Vector
Local
Attack Complexity
Low
Privileges Required
None
User Interaction
Required
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High

Affected Versions

Wireshark Foundation / Wireshark
4.6.0 < 4.6.3 4.4.0 < 4.4.13

References

NVD โ†— CVE.org โ†— EPSS Data โ†—
wireshark.org: https://www.wireshark.org/security/wnpa-sec-2026-01.html gitlab.com: https://gitlab.com/wireshark/wireshark/-/issues/20880