RHSA-2024:0154 — Security Advisory

An update for openssl 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 Low. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.

OpenSSL is a toolkit that implements the Secure Sockets Layer (SSL) and Transport Layer Security (TLS) protocols, as well as a full-strength general-purpose cryptography library.

Security Fix(es):

• openssl: Excessive time spent checking DH keys and parameters (CVE-2023-3446)

• OpenSSL: Excessive time spent checking DH q parameter value (CVE-2023-3817)

• openssl: Generating excessively long X9.42 DH keys or checking excessively long X9.42 DH keys or parameters may be very slow (CVE-2023-5678)

For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

Bug Fix(es):

• openssl: Excessive time spent checking DH q parameter value (JIRA:RHEL-14238)

• openssl: Excessive time spent checking DH keys and parameters (JIRA:RHEL-14244)

• openssl: Generating excessively long X9.42 DH keys or checking excessively long X9.42 DH keys or parameters may be very slow (JIRA:RHEL-16537)