Security Bulletin: IBM i is Affected By NULL Pointer Dereference, Use Afer Free, and Out-of-Bounds Write Vulnerabilities in OpenSSL [CVE-2026-28388, CVE-2026-28389, CVE-2026-28390, CVE-2026-28387, CVE-2026-31789]

Summary OpenSSL for IBM i is vulnerable to NULL pointer derefences when processing either a delta CRL indicator extension CVE-2026-28388 or CMS EnvelopedData message with KeyAgreeRecipientInfo CVE-2026-28389, CVE-2026-28390, and use after free when using DANE TLSA-based server authentication...

SUSE SLES15 / openSUSE 15 Security Update : openssl-1_0_0 (SUSE-SU-2026:1291-1)

The remote SUSE Linux SLES15 / SLESSAP15 / openSUSE 15 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2026:1291-1 advisory. - CVE-2026-28387: Potential use-after-free in DANE client code bsc1260441. - CVE-2026-28388: NULL Pointer Dereference...

Photon OS 5.0: Openssl PHSA-2026-5.0-0810

An update of the openssl package has been released. %NASLMINLEVEL 80900 C Tenable, Inc. The descriptive text and package checks in this plugin were extracted from VMware Security Advisory PHSA-2026-5.0-0810. The text itself is copyright C VMware, Inc. include'compat.inc'; if description...

Ubuntu: Security Advisory (USN-8155-1)

The remote host is missing an update for the SPDX-FileCopyrightText: 2026 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-only ifdescription...

Security update for openssl-3

This update for openssl-3 fixes the following issues: CVE-2026-28387: Potential use-after-free in DANE client code bsc1260441. CVE-2026-28388: NULL Pointer Dereference When Processing a Delta CRL bsc1260442. CVE-2026-28389: Possible NULL dereference when processing CMS KeyAgreeRecipientInfo...

USN-8155-1: OpenSSL vulnerabilities

Viktor Dukhovni discovered that OpenSSL incorrectly negotiated the expected preferred key exchange group when used as a TLS 1.3 server. This could result in a less preferred key exchange being used, contrary to expectations. This issue only affected Ubuntu 25.10. CVE-2026-2673 Igor Morgenstern...