RHSA-2021:4424: Moderate: openssl security and bug fix update

First published: Tue Nov 09 2021(Updated: )

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.<br>Security Fix(es):<br><li> openssl: integer overflow in CipherUpdate (CVE-2021-23840)</li> <li> openssl: NULL pointer dereference in X509_issuer_and_serial_hash() (CVE-2021-23841)</li> 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.<br>Additional Changes:<br>For detailed information on changes in this release, see the Red Hat Enterprise Linux 8.5 Release Notes linked from the References section.

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