Astra Linux – Vulnerability in Wireshark

A buffer overflow in the C12.22 dissector in Wireshark versions 3.4.0 to 3.4.9 and 3.2.0 to 3.2.17 allows for denial of service through packet injection or malicious capture files...

Amazon Linux 2 : wireshark (ALAS-2026-3905)

The version of wireshark installed on the remote host is prior to 2.6.2-15. It is, therefore, affected by multiple vulnerabilities as referenced in the ALAS2-2026-3905 advisory. C12.22 protocol dissector crash in 4.6.0 to 4.6.7 and 4.4.0 to 4.4.18 allows denial of service CVE-2026-76879 C12.22...

Important: wireshark

Issue Overview: C12.22 protocol dissector crash in 4.6.0 to 4.6.7 and 4.4.0 to 4.4.18 allows denial of service CVE-2026-76879 C12.22 protocol dissector crash in 4.6.0 to 4.6.7 and 4.4.0 to 4.4.18 allows denial of service CVE-2026-76886 Affected Packages: wireshark Note: This advisory is applicabl...

Unity Linux 20.1050e / 20.1060e / 20.1070e Security Update: wireshark (UTSA-2026-104760)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-104760 advisory. C12.22 protocol dissector crash in 4.6.0 to 4.6.7 and 4.4.0 to 4.4.18 allows denial of service Tenable has extracted the preceding description block directly from th...

CVE-2026-76886

A flaw was found in Wireshark. An unauthenticated remote attacker could exploit a vulnerability in the C12.22 protocol dissector by sending specially crafted network traffic. This could lead to a crash of the application, resulting in a Denial of Service DoS. Mitigation Do not populate the C12.22...

CVE-2026-76879

A flaw in Wireshark's C12.22 protocol dissector allows remote attackers to trigger a Denial of Service DoS. By sending a specially crafted network packet or capture file, an attacker can crash the application, disrupting network analysis capabilities. Mitigation Avoid analyzing capture files or...

SUSE CVE-2026-76879

C12.22 protocol dissector crash in 4.6.0 to 4.6.7 and 4.4.0 to 4.4.18 allows denial of service...

SUSE CVE-2026-76886

C12.22 protocol dissector crash in 4.6.0 to 4.6.7 and 4.4.0 to 4.4.18 allows denial of service...

Linux Distros Unpatched Vulnerability : CVE-2026-76879

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - C12.22 protocol dissector crash in 4.6.0 to 4.6.7 and 4.4.0 to 4.4.18 allows denial of service CVE-2026-76879 Note that Nessus relies on the presence of the...

Linux Distros Unpatched Vulnerability : CVE-2026-76886

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - C12.22 protocol dissector crash in 4.6.0 to 4.6.7 and 4.4.0 to 4.4.18 allows denial of service CVE-2026-76886 Note that Nessus relies on the presence of the...

AZL-96779 CVE-2026-76886 affecting package wireshark 4.4.7-2

C12.22 protocol dissector crash in 4.6.0 to 4.6.7 and 4.4.0 to 4.4.18 allows denial of service...

AZL-96809 CVE-2026-76879 affecting package wireshark 4.4.7-2

C12.22 protocol dissector crash in 4.6.0 to 4.6.7 and 4.4.0 to 4.4.18 allows denial of service...

CVE-2026-76879

C12.22 protocol dissector crash in 4.6.0 to 4.6.7 and 4.4.0 to 4.4.18 allows denial of service...

UBUNTU-CVE-2026-76886

C12.22 protocol dissector crash in 4.6.0 to 4.6.7 and 4.4.0 to 4.4.18 allows denial of service...

UBUNTU-CVE-2026-76879

C12.22 protocol dissector crash in 4.6.0 to 4.6.7 and 4.4.0 to 4.4.18 allows denial of service...

CVE-2026-76879 Stack-based Buffer Overflow in Wireshark

C12.22 protocol dissector crash in 4.6.0 to 4.6.7 and 4.4.0 to 4.4.18 allows denial of service...

CVE-2026-76879

C12.22 protocol dissector crash in 4.6.0 to 4.6.7 and 4.4.0 to 4.4.18 allows denial of service...

CVE-2026-76886 Heap-based Buffer Overflow in Wireshark

C12.22 protocol dissector crash in 4.6.0 to 4.6.7 and 4.4.0 to 4.4.18 allows denial of service...

CVE-2026-76886

C12.22 protocol dissector crash in 4.6.0 to 4.6.7 and 4.4.0 to 4.4.18 allows denial of service...

CVE-2026-76886

CVE-2026-76886 is a crash in the C12.22 protocol dissector of Wireshark , affecting versions 4.6.0 through 4.6.7 and 4.4.0 through 4.4.18 . The vulnerability allows a remote, unauthenticated attacker to cause a denial of service (crash) by sending crafted C12.22 protocol traffic. The NVD assigns ...