PT-2026-36050 · Wireshark · Wireshark

Brendan Coles · Published 2026-03-09 · Updated 2026-06-01 · CVE-2026-5407

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 An infinite loop in the SMB2 protocol dissector can lead to a denial of service.

Recommendations Update Wireshark versions 4.6.0 through 4.6.4 to a version newer than 4.6.4. Update Wireshark versions 4.4.0 through 4.4.14 to a version newer than 4.4.14.

Exploit

Fix

DoS

Infinite Loop

Weakness Enumeration

CWE-835

Related Identifiers

BDU:2026-06399

CVE-2026-5407

OESA-2026-2225

OESA-2026-2226

OESA-2026-2227

OESA-2026-2228

OPENSUSE-SU-2026:10686-1

Affected Products

Wireshark

References · 102

• 🔥 https://gitlab.com/wireshark/wireshark/-/work_items/21073 · Exploit
• 🔥 https://gitlab.com/wireshark/wireshark/-/issues/21073 · Exploit
• https://security-tracker.debian.org/tracker/CVE-2026-5407 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2026-7375 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2026-7379 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2026-5404 · Security Note
• https://wireshark.org/security/wnpa-sec-2026-11.html · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2026-6532 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2026-6520 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2026-5299 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2026-6868 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2026-6519 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2026-5408 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2026-7376 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2026-5653 · Security Note