Input validation error in Wireshark - CVE-2026-95392

Vulnerability identifier: #VU151894

CSH Severity: Medium

CVSS v4: 7.1 [CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]

CVE-ID: CVE-2026-95392

CWE-ID: CWE-20

Exploitation vector: Adjecent network

Exploit availability: No public exploit available

The vulnerability allows a remote attacker to cause a denial of service.

The vulnerability exists due to an unspecified flaw in the MBIM protocol dissector when processing malformed MBIM packets. A remote attacker can inject a malformed packet onto the wire or convince someone to read a malformed packet trace file to cause a denial of service.

Wireshark
openEuler
wireshark
wireshark-help
wireshark-devel
wireshark-debugsource
wireshark-debuginfo

Install security update from vendor's website.

Wireshark - addressed in versions 4.4.19, 4.6.9
wireshark - update to 4.4.19-1
wireshark-help - update to 4.4.19-1
wireshark-devel - update to 4.4.19-1
wireshark-debugsource - update to 4.4.19-1
wireshark-debuginfo - update to 4.4.19-1

• https://www.wireshark.org/security/wnpa-sec-2026-100.html
• https://gitlab.com/wireshark/wireshark/-/issues/21549

• Multiple vulnerabilities in Wireshark
• openEuler 24.03 LTS SP4 update for wireshark
• openEuler 24.03 LTS SP3 update for wireshark
• openEuler 24.03 LTS SP1 update for wireshark
• openEuler 22.03 LTS SP4 update for wireshark