CVE-2026-96423

A flaw was found in Wireshark. A heap-based buffer overflow in the X11 protocol dissector allows an attacker to cause a Denial of Service DoS by injecting malformed packets or providing a crafted capture file. Successful exploitation leads to an application crash, disrupting network packet...

CVE-2026-96423

X11 protocol dissector crash in 4.6.0 to 4.6.8 and 4.4.0 to 4.4.18 allows denial of service...

CVE-2026-96423 Heap-based Buffer Overflow in Wireshark

X11 protocol dissector crash in 4.6.0 to 4.6.8 and 4.4.0 to 4.4.18 allows denial of service...

EUVD-2026-88714

X11 protocol dissector crash in 4.6.0 to 4.6.8 and 4.4.0 to 4.4.18 allows denial of service...

CVE-2026-96423

The Wireshark network protocol analyzer is susceptible to a heap-based buffer overflow in the X11 protocol dissector . This vulnerability affects versions 4.6.0 to 4.6.8 and 4.4.0 to 4.4.18 . Exploitation of this flaw can lead to a denial of service (DoS) condition, where the application crashes ...

CVE-2026-96423

X11 protocol dissector crash in 4.6.0 to 4.6.8 and 4.4.0 to 4.4.18 allows denial of service...

Wireshark : CVE-2026-96423 : X11 protocol dissector crash

X11 protocol dissector crash in 4.6.0 to 4.6.8 and 4.4.0 to 4.4.18 allows denial of service...

Linux Distros Unpatched Vulnerability : CVE-2026-96423

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - X11 protocol dissector crash in 4.6.0 to 4.6.8 and 4.4.0 to 4.4.18 allows denial of service CVE-2026-96423 Note that Nessus relies on the presence of the packag...

libX11 bug fix update

An update is available for libX11. This update affects Rocky Linux 8. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from the CVE list The libX11 packages contain the core X11 protocol client library. Bug Fixes:...

NewStart CGSL MAIN 6.02 : libX11 Multiple Vulnerabilities (NS-SA-2024-0059)

The remote NewStart CGSL host, running version MAIN 6.02, has libX11 packages installed that are affected by multiple vulnerabilities: - A missing validation flaw was found in libX11. This flaw allows an attacker to inject X11 protocol commands on X clients, and in some cases, also bypass,...

RHEL 8 : libX11 (RHSA-2024:2973)

The remote Redhat Enterprise Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2024:2973 advisory. The libX11 packages contain the core X11 protocol client library. Security Fixes: libX11: out-of-bounds memory access in XkbReadKeySyms...

Moderate: Red Hat Security Advisory: libX11 security update

An update for libX11 is now available for Red Hat Enterprise Linux 8.8 Extended Update Support. Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for...

RHEL 8 : libX11 (RHSA-2024:1417)

The remote Redhat Enterprise Linux 8 host has packages installed that are affected by a vulnerability as referenced in the RHSA-2024:1417 advisory. The libX11 packages contain the core X11 protocol client library. Security Fixes: libX11: InitExt.c can overwrite unintended portions of the Display...

RHEL 9 : libX11 (RHSA-2024:1088)

The remote Redhat Enterprise Linux 9 host has packages installed that are affected by a vulnerability as referenced in the RHSA-2024:1088 advisory. The libX11 packages contain the core X11 protocol client library. Security Fixes: libX11: InitExt.c can overwrite unintended portions of the Display...

EulerOS Virtualization 2.9.0 : libX11 (EulerOS-SA-2023-2988)

According to the versions of the libX11 package installed, the EulerOS Virtualization installation on the remote host is affected by the following vulnerabilities : - A vulnerability was found in libX11. The security flaw occurs because the functions in src/InitExt.c in libX11 do not check that t...

EulerOS 2.0 SP11 : libX11 (EulerOS-SA-2023-2845)

According to the versions of the libX11 package installed, the EulerOS installation on the remote host is affected by the following vulnerabilities : - A vulnerability was found in libX11. The security flaw occurs because the functions in src/InitExt.c in libX11 do not check that the values...

EulerOS Virtualization 3.0.6.0 : libX11 (EulerOS-SA-2023-3436)

According to the versions of the libX11 packages installed, the EulerOS Virtualization installation on the remote host is affected by the following vulnerabilities : - A vulnerability was found in libX11. The security flaw occurs because the functions in src/InitExt.c in libX11 do not check that...

EulerOS Virtualization 2.10.1 : libX11 (EulerOS-SA-2023-2919)

According to the versions of the libX11 package installed, the EulerOS Virtualization installation on the remote host is affected by the following vulnerabilities : - A vulnerability was found in libX11. The security flaw occurs because the functions in src/InitExt.c in libX11 do not check that t...

EulerOS 2.0 SP10 : libX11 (EulerOS-SA-2023-2790)

According to the versions of the libX11 package installed, the EulerOS installation on the remote host is affected by the following vulnerabilities : - A vulnerability was found in libX11. The security flaw occurs because the functions in src/InitExt.c in libX11 do not check that the values...

EulerOS Virtualization 2.11.0 : libX11 (EulerOS-SA-2023-3073)

According to the versions of the libX11 package installed, the EulerOS Virtualization installation on the remote host is affected by the following vulnerabilities : - A vulnerability was found in libX11. The security flaw occurs because the functions in src/InitExt.c in libX11 do not check that t...