Multiple vulnerabilities impact AIX due to OpenSSL

IBM SECURITY ADVISORY First Issued: Mon May 4 15:13:40 CDT 2026 The most recent version of this document is available here: https://aix.software.ibm.com/aix/efixes/security/openssladvisory47.asc Security Bulletin: Multiple vulnerabilities impact AIX due to OpenSSL...

OESA-2026-2191 compat-openssl11 security update

OpenSSL is a robust, commercial-grade, and full-featured toolkit for the Transport Layer Security TLS and Secure Sockets Layer SSL protocols. Security Fixes: Issue summary: An invalid or NULL pointer dereference can happen in an application processing a malformed PKCS12 file. Impact summary: An...

OESA-2026-2190 compat-openssl11 security update

OpenSSL is a robust, commercial-grade, and full-featured toolkit for the Transport Layer Security TLS and Secure Sockets Layer SSL protocols. Security Fixes: Issue summary: An invalid or NULL pointer dereference can happen in an application processing a malformed PKCS12 file. Impact summary: An...

OESA-2026-2189 compat-openssl11 security update

OpenSSL is a robust, commercial-grade, and full-featured toolkit for the Transport Layer Security TLS and Secure Sockets Layer SSL protocols. Security Fixes: Issue summary: An invalid or NULL pointer dereference can happen in an application processing a malformed PKCS12 file. Impact summary: An...

OESA-2026-2044 openssl security update

Security Fixes: Issue summary: An uncommon configuration of clients performing DANE TLSA-based server authentication, when paired with uncommon server DANE TLSA records, may result in a use-after-free and/or double-free on the client side. Impact summary: A use after free can have a range of...

OESA-2026-2043 openssl security update

Security Fixes: Issue summary: An uncommon configuration of clients performing DANE TLSA-based server authentication, when paired with uncommon server DANE TLSA records, may result in a use-after-free and/or double-free on the client side. Impact summary: A use after free can have a range of...

OESA-2026-2042 openssl security update

Security Fixes: Issue summary: An uncommon configuration of clients performing DANE TLSA-based server authentication, when paired with uncommon server DANE TLSA records, may result in a use-after-free and/or double-free on the client side. Impact summary: A use after free can have a range of...

OESA-2026-2041 openssl security update

Security Fixes: Issue summary: An uncommon configuration of clients performing DANE TLSA-based server authentication, when paired with uncommon server DANE TLSA records, may result in a use-after-free and/or double-free on the client side. Impact summary: A use after free can have a range of...

CVE-2026-28387

A flaw was found in OpenSSL. An uncommon configuration of clients performing DANE TLSA-based server authentication, when paired with uncommon server DANE TLSA records, may result in a use-after-free and/or double-free on the client side. This vulnerability could lead to data corruption, applicati...

DEBIAN-CVE-2026-28387

Issue summary: An uncommon configuration of clients performing DANE TLSA-based server authentication, when paired with uncommon server DANE TLSA records, may result in a use-after-free and/or double-free on the client side. Impact summary: A use after free can have a range of potential consequenc...

CVE-2026-28387 Potential Use-after-free in DANE Client Code

Issue summary: An uncommon configuration of clients performing DANE TLSA-based server authentication, when paired with uncommon server DANE TLSA records, may result in a use-after-free and/or double-free on the client side. Impact summary: A use after free can have a range of potential consequenc...

OpenSSL 安全漏洞

OpenSSL is an open-source encryption library developed by the OpenSSL team that enables secure implementation of Secure Sockets Layer SSLv2/v3 and Secure Transport Layer TLSv1 protocols. This product supports various encryption algorithms, including symmetric ciphers, hash algorithms, and secure...

UBUNTU-CVE-2026-28387

Issue summary: An uncommon configuration of clients performing DANE TLSA-based server authentication, when paired with uncommon server DANE TLSA records, may result in a use-after-free and/or double-free on the client side. Impact summary: A use after free can have a range of potential consequenc...

OpenSSL Security Advisory 20260407

OpenSSL Security Advisory 20260407 - Applications using RSASVE key encapsulation to establish a secret encryption key can send contents of an uninitialized memory buffer to a malicious peer. Applications using AES-CFB128 encryption or decryption on systems with AVX-512 and VAES support can trigge...

Linux Distros Unpatched Vulnerability : CVE-2026-28387

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - Issue summary: An uncommon configuration of clients performing DANE TLSA-based server authentication, when paired with uncommon server DANE TLSA records, may...

PT-2026-31036

Name of the Vulnerable Software and Affected Versions versions not specified Description An uncommon configuration of clients performing DANE TLSA-based server authentication, when paired with uncommon server DANE TLSA records, may result in a use-after-free and/or double-free on the client side....

What is SMTP STS? How It improves Email Security for StartTLS?

Despite so many messaging apps, Email is still one of the widely used and popular ways to communicate in this digital age. But are your Emails secure? We are using email services for decades, but the underlying 1980s transport protocol used to send emails, Simple Mail Transfer Protocol SMTP, is...