PT-2026-44082 · Wireshark · Wireshark

Arjun Basnet · Published 2026-05-27 · Updated 2026-05-27 · CVE-2026-9759

Positive Technologies (AI Summary)

CVSS v3.1

5.5

Medium

Base vector

AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Name of the Vulnerable Software and Affected Versions Wireshark versions 4.6.0 through 4.6.5 Wireshark versions 4.4.0 through 4.4.15

Description A crash in the ROHC protocol dissector allows for a denial of service. A dissector is a software component that breaks down network packets into a readable format.

Recommendations Update Wireshark versions 4.6.0 through 4.6.5 to a version newer than 4.6.5. Update Wireshark versions 4.4.0 through 4.4.15 to a version newer than 4.4.15.

Fix

DoS

NULL Pointer Dereference

Weakness Enumeration

CWE-476

Related Identifiers

CVE-2026-9759

Affected Products

Wireshark

References · 4

• https://nvd.nist.gov/vuln/detail/CVE-2026-9759 · Security Note
• https://gitlab.com/wireshark/wireshark/-/work_items/21243 · Note
• https://twitter.com/CVEnew/status/2059718100883583396 · Twitter Post
• https://wireshark.org/security/wnpa-sec-2026-51.html · Note