PT-2026-36040 · Wireshark+1 · Wireshark+1

Sharon Brizinov · CVE-2026-6868 · Published 2026-04-30 · Updated 2026-07-14

Positive Technologies (AI Summary)

CVSS v2.0

7.8

High

Base vector

AV:N/AC:L/Au:N/C:N/I:N/A:C

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 HTTP protocol dissector allows for a denial of service. This occurs when the software processes malformed traffic, which can lead to the crashing of analysis sessions.

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

Exploit

Fix

DoS

Stack Overflow

Weakness Enumeration

CWE-121

Related Identifiers

BDU:2026-10843

CVE-2026-6868

OESA-2026-2225

OESA-2026-2226

OESA-2026-2227

OESA-2026-2228

OPENSUSE-SU-2026:10686-1

OPENSUSE-SU-2026:20685-1

SUSE-SU-2026:21559-1

SUSE-SU-2026:2203-1

Affected Products

Red Os

Wireshark

References · 105

• 🔥 https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/6xxx/CVE-2026-6868.json · Exploit
• https://osv.dev/vulnerability/OESA-2026-2227 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2026-6521 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2026-6524 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2026-6533 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2026-5657 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2026-5653 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2026-6534 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2026-7378 · Security Note
• https://osv.dev/vulnerability/UBUNTU-CVE-2026-6868 · Vendor Advisory
• https://osv.dev/vulnerability/openSUSE-SU-2026:10686-1 · Vendor Advisory
• https://gitlab.com/wireshark/wireshark/-/work_items/21185 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2026-5405 · Security Note
• https://cve.org/CVERecord?id=CVE-2026-6868 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2026-6530 · Security Note