RLSA-2026:46397 Important: libreswan security update

Libreswan is an implementation of IPsec and IKE for Linux. IPsec is the Internet Protocol Security and uses strong cryptography to provide both authentication and encryption services. These services allow you to build secure tunnels through untrusted networks such as virtual private network VPN...

Important: Red Hat Security Advisory: libreswan security update

An update for libreswan is now available for Red Hat Enterprise Linux 8. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from...

JLSEC-2026-163

An integer underflow was discovered in OpenLDAP before 2.4.57 leading to slapd crashes in the Certificate Exact Assertion processing, resulting in denial of service schemainit.c serialNumberAndIssuerCheck...

Siemens SIMATIC S7-1500 Integer Underflow (Wrap or Wraparound) (CVE-2020-36221)

An integer underflow was discovered in OpenLDAP before 2.4.57 leading to slapd crashes in the Certificate Exact Assertion processing, resulting in denial of service schemainit.c serialNumberAndIssuerCheck. This plugin only works with Tenable.ot. Please visit...

Linux Distros Unpatched Vulnerability : CVE-2020-36228

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - An integer underflow was discovered in OpenLDAP before 2.4.57 leading to a slapd crash in the Certificate List Exact Assertion processing, resulting in denial o...

ALPINE-CVE-2020-36221

An integer underflow was discovered in OpenLDAP before 2.4.57 leading to slapd crashes in the Certificate Exact Assertion processing, resulting in denial of service schemainit.c serialNumberAndIssuerCheck...

UBUNTU-CVE-2020-36221

An integer underflow was discovered in OpenLDAP before 2.4.57 leading to slapd crashes in the Certificate Exact Assertion processing, resulting in denial of service schemainit.c serialNumberAndIssuerCheck...

UBUNTU-CVE-2020-36228

An integer underflow was discovered in OpenLDAP before 2.4.57 leading to a slapd crash in the Certificate List Exact Assertion processing, resulting in denial of service...