The vulnerability of the OpenFlow v5 protocol analyzer used by Wireshark, a traffic analyzer for computer networks, allows a hacker to cause a service failure.

The vulnerability of the OpenFlow v5 protocol analyzer used by Wireshark for analyzing computer network traffic involves executing a loop with an unavailable exit condition. Exploiting this vulnerability can allow attackers to cause service failures...

openSUSE 16 Security Update : wireshark (openSUSE-SU-2026:20685-1)

The remote openSUSE 16 host has packages installed that are affected by multiple vulnerabilities as referenced in the openSUSE-SU-2026:20685-1 advisory. This update for wireshark fixes the following issues - CVE-2026-3201: missing limit checks in USB HID protocol dissector's parsereportdescriptor...

SUSE-SU-2026:21559-1 Security update for wireshark

This update for wireshark fixes the following issues - CVE-2026-3201: missing limit checks in USB HID protocol dissector's parsereportdescriptor function can lead to memory exhaustion bsc1258907. - CVE-2026-3203: missing length checks in the RF4CE Profile protocol dissector can lead to illegal...

CVE-2026-6521

A flaw was found in Wireshark. The OpenFlow v5 protocol dissector contains an infinite loop vulnerability. A remote attacker could exploit this by sending a specially crafted packet, leading to a denial of service DoS condition, making the application unresponsive. Mitigation To reduce exposure,...

Linux Distros Unpatched Vulnerability : CVE-2026-6521

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - OpenFlow v5 protocol dissector infinite loops in Wireshark 4.6.0 to 4.6.4 and 4.4.0 to 4.4.14 allows denial of service CVE-2026-6521 Note that Nessus relies on...

Linux Distros Unpatched Vulnerability : CVE-2026-6520

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - OpenFlow v6 protocol dissector infinite loop in Wireshark 4.6.0 to 4.6.4 and 4.4.0 to 4.4.14 allows denial of service CVE-2026-6520 Note that Nessus relies on t...

SUSE CVE-2026-6520

OpenFlow v6 protocol dissector infinite loop in Wireshark 4.6.0 to 4.6.4 and 4.4.0 to 4.4.14 allows denial of service...

SUSE CVE-2026-6521

OpenFlow v5 protocol dissector infinite loops in Wireshark 4.6.0 to 4.6.4 and 4.4.0 to 4.4.14 allows denial of service...

Wireshark 2.0.x < 2.0.8 Multiple Vulnerabilities (macOS)

The version of Wireshark installed on the remote macOS / Mac OS X host is prior to 2.0.8. It is, therefore, affected by multiple vulnerabilities as referenced in the wireshark-2.0.8 advisory. - In Wireshark 2.2.0 to 2.2.1 and 2.0.0 to 2.0.7, the OpenFlow dissector could crash with memory...

Wireshark 2.0.x < 2.0.8 Multiple Vulnerabilities

The version of Wireshark installed on the remote Windows host is prior to 2.0.8. It is, therefore, affected by multiple vulnerabilities as referenced in the wireshark-2.0.8 advisory. - In Wireshark 2.2.0 to 2.2.1 and 2.0.0 to 2.0.7, the OpenFlow dissector could crash with memory exhaustion,...

Wireshark 2.2.x < 2.2.2 Multiple Vulnerabilities (macOS)

The version of Wireshark installed on the remote macOS / Mac OS X host is prior to 2.2.2. It is, therefore, affected by multiple vulnerabilities as referenced in the wireshark-2.2.2 advisory. - In Wireshark 2.2.0 to 2.2.1 and 2.0.0 to 2.0.7, the OpenFlow dissector could crash with memory...

AZL-85154 CVE-2026-6520 affecting package wireshark 4.4.7-2

OpenFlow v6 protocol dissector infinite loop in Wireshark 4.6.0 to 4.6.4 and 4.4.0 to 4.4.14 allows denial of service...

CVE-2026-6521

OpenFlow v5 protocol dissector infinite loops in Wireshark 4.6.0 to 4.6.4 and 4.4.0 to 4.4.14 allows denial of service...

CVE-2026-6520

OpenFlow v6 protocol dissector infinite loop in Wireshark 4.6.0 to 4.6.4 and 4.4.0 to 4.4.14 allows denial of service...

AZL-85208 CVE-2026-6521 affecting package wireshark 4.4.7-2

OpenFlow v5 protocol dissector infinite loops in Wireshark 4.6.0 to 4.6.4 and 4.4.0 to 4.4.14 allows denial of service...

UBUNTU-CVE-2026-6521

OpenFlow v5 protocol dissector infinite loops in Wireshark 4.6.0 to 4.6.4 and 4.4.0 to 4.4.14 allows denial of service...

CVE-2026-6521

OpenFlow v5 protocol dissector infinite loops in Wireshark 4.6.0 to 4.6.4 and 4.4.0 to 4.4.14 allows denial of service...

EUVD-2026-26329

OpenFlow v5 protocol dissector infinite loops in Wireshark 4.6.0 to 4.6.4 and 4.4.0 to 4.4.14 allows denial of service...

CVE-2026-6521

OpenFlow v5 protocol dissector infinite loops in Wireshark 4.6.0 to 4.6.4 and 4.4.0 to 4.4.14 allows denial of service...

CVE-2026-6521

CVE-2026-6521 affects Wireshark’s OpenFlow v5 protocol dissector, where an infinite loop in the dissector code (for Wireshark 4.6.0–4.6.4 and 4.4.0–4.4.14) can cause a denial-of-service. The issue originates from a loop with an unreachable exit condition. The CVSSv3.1 base score is 5.5 (MEDIUM), ...