PT-2026-36077 · Wireshark · Wireshark

Alexandre De Oliveira · Published 2026-04-13 · Updated 2026-05-09 · CVE-2026-6869

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 WebSocket protocol dissector allows for a denial of service.

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:2026-06391

CVE-2026-6869

OESA-2026-2225

OESA-2026-2226

OESA-2026-2227

OESA-2026-2228

OPENSUSE-SU-2026:10686-1

Affected Products

Wireshark

References · 100

• 🔥 https://gitlab.com/wireshark/wireshark/-/work_items/21190 · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2026-6519 · Security Note
• https://osv.dev/vulnerability/UBUNTU-CVE-2026-6869 · Vendor Advisory
• https://security-tracker.debian.org/tracker/CVE-2026-6869 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2026-5409 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2026-6532 · Security Note
• https://osv.dev/vulnerability/DEBIAN-CVE-2026-6869 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2026-5408 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2026-5654 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2026-6538 · Security Note
• https://osv.dev/vulnerability/OESA-2026-2228 · Vendor Advisory
• https://osv.dev/vulnerability/OESA-2026-2225 · Vendor Advisory
• https://wireshark.org/security/wnpa-sec-2026-44.html · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2026-5407 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2026-6521 · Security Note