RHEL 9 : kernel (RHSA-2026:25028)

The remote Redhat Enterprise Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2026:25028 advisory. The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fixes: kernel: net: openvswitch: Avoid...

kernel: netfilter: xt_tcpmss: check remaining length before reading optlen

A flaw was found in the Linux kernel, specifically within the netfilter: xttcpmss module. A remote attacker could exploit this vulnerability by sending a specially crafted TCP packet. The TCP option parser does not properly validate the remaining option length, which results in an out-of-bounds...

ALSA-2026:21557 Important: kernel security update

The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fixes: kernel: can: j1939: j1939sessionnew: fix skb reference counting CVE-2024-56645 kernel: ima: don't clear IMADIGSIG flag when setting or removing non-IMA xattr CVE-2025-68183 kernel: mm: thp: deny...

SUSE CVE-2026-43190

In the Linux kernel, the following vulnerability has been resolved: netfilter: xttcpmss: check remaining length before reading optlen Quoting reporter: In net/netfilter/xttcpmss.c lines 53-68, the TCP option parser reads opi+1 directly without validating the remaining option length. If the last...

EUVD-2026-27750

In the Linux kernel, the following vulnerability has been resolved: netfilter: xttcpmss: check remaining length before reading optlen Quoting reporter: In net/netfilter/xttcpmss.c lines 53-68, the TCP option parser reads opi+1 directly without validating the remaining option length. If the last...

CVE-2026-43190

The CVE-2026-43190 issue affects the Linux kernel netfilter xt_tcpmss TCP option parser. The root cause is reading op[i+1] without validating the remaining option length, which can cause an out-of-bounds read when i+1 == optlen. This could access memory past the option boundary (stack buffer _opt...

Unity Linux 20.1060a / 20.1070a Security Update: kernel (UTSA-2026-003015)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-003015 advisory. The tcpmssmanglepacket function in net/netfilter/xtTCPMSS.c in the Linux kernel before 4.11, and 4.9.x before 4.9.36, allows remote attackers to cause a denial of...

EUVD-2020-3967

Malware in sbrugna...

EUVD-2004-0002

Malware in sbrugna...

EUVD-2025-3163

Malicious code in bioql PyPI...

EUVD-2023-38206

Malicious code in bioql PyPI...

CVE-2023-34100

Contiki-NG is an open-source, cross-platform operating system for IoT devices. When reading the TCP MSS option value from an incoming packet, the Contiki-NG OS does not verify that certain buffer indices to read from are within the bounds of the IPv6 packet buffer, uipbuf. In particular, there is...

CVE-2020-11622

A vulnerability exists in Arista’s Cloud EOS VM / vEOS 4.23.2M and below releases in the 4.23.x train, 4.22.4M and below releases in the 4.22.x train, 4.21.3M to 4.21.9M releases in the 4.21.x train, 4.21.3FX-7368., 4.21.4-FCRFX., 4.21.4.1, 4.21.7.1, 4.22.2.0.1, 4.22.2.2.1, 4.22.3.1, and 4.23.2.1...

CVE-2025-23406

Out-of-bounds read vulnerability caused by improper checking of TCP MSS option values exists in Cente middleware TCP/IP Network Series, which may lead to processing a specially crafted packet to cause the affected product crashed...

CVE-2025-23406

Out-of-bounds read vulnerability caused by improper checking of TCP MSS option values exists in Cente middleware TCP/IP Network Series, which may lead to processing a specially crafted packet to cause the affected product crashed...

CVE-2025-23406

CVE-2025-23406 describes an out-of-bounds read in the Cente middleware TCP/IP Network Series caused by improper checking of TCP MSS option values . The vulnerability affects the middleware’s handling of MSS values, and a specially crafted packet could cause the affected product to crash. Multiple...

CVE-2023-36841

An Improper Check for Unusual or Exceptional Conditions vulnerability in the Packet Forwarding Engine pfe of Juniper Networks Junos OS on MX Series allows a unauthenticated network-based attacker to cause an infinite loop, resulting in a Denial of Service DoS. An attacker who sends malformed TCP...

CVE-2023-36841 Junos OS: MX Series: Receipt of malformed TCP traffic will cause a Denial of Service

An Improper Check for Unusual or Exceptional Conditions vulnerability in the Packet Forwarding Engine pfe of Juniper Networks Junos OS on MX Series allows a unauthenticated network-based attacker to cause an infinite loop, resulting in a Denial of Service DoS. An attacker who sends malformed TCP...

USN-6259-1: Open-iSCSI vulnerabilities

Jos Wetzels, Stanislav Dashevskyi, and Amine Amri discovered that Open-iSCSI incorrectly handled certain checksums for IP packets. An attacker could possibly use this issue to expose sensitive information. CVE-2020-13987 Jos Wetzels, Stanislav Dashevskyi, Amine Amri discovered that Open-iSCSI...

How to Change the Maximum Segment Size on a NetScaler Appliance

This article describes how to change the Maximum Segment Size MSS for all sourced packets from a NetScaler appliance. Requirements Command line access to the NetScaler appliance through the console or a Secure Shell SSH client General knowledge of the NetScaler Command Line Interface CLI and UNIX...