PT-2026-36076 · Wireshark · Wireshark

Todo · Published 2026-04-13 · Updated 2026-05-09 · CVE-2026-6867

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 4.6.4 Wireshark versions 4.4.0 through 4.4.14

Description A crash in the SMB2 protocol dissector allows for a denial of service. A dissector is a software component that breaks down network packets into a human-readable format.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

DoS

Weakness Enumeration

CWE-1325

Related Identifiers

BDU:2026-06390

CVE-2026-6867

OESA-2026-2225

OESA-2026-2226

OESA-2026-2227

OESA-2026-2228

OPENSUSE-SU-2026:10686-1

Affected Products

Wireshark

References · 101

• 🔥 https://gitlab.com/wireshark/wireshark/-/work_items/21191 · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2026-6531 · Security Note
• https://bdu.fstec.ru/vul/2026-06390 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2026-5401 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2026-7379 · Security Note
• https://wireshark.org/security/wnpa-sec-2026-45.html · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2026-6529 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2026-5656 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2026-6870 · Security Note
• https://osv.dev/vulnerability/DEBIAN-CVE-2026-6867 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2026-7375 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2026-6520 · Security Note
• https://osv.dev/vulnerability/OESA-2026-2225 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2026-5408 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2026-6869 · Security Note