RHSA-2026:96216: Important: openssl security update
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: heap buffer overflow in CMS key unwrapping (CVE-2026-63072) openssl: invalid pointer dereference in CMP server via crafted protectionAlg (CVE-2026-63076) openssl: compat-openssl: DTLS Retransmits Handshake Messages From a Stale Buffer Offset (CVE-2026-84782) 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.
Affected Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade
redhat/opensslto a version that resolves this vulnerability.Fixed in 3.0.7-29.el9_4.4 - Upgrade
Upgrade
redhat/openssl-debuginfoto a version that resolves this vulnerability.Fixed in 3.0.7-29.el9_4.4 - Upgrade
Upgrade
redhat/openssl-debugsourceto a version that resolves this vulnerability.Fixed in 3.0.7-29.el9_4.4 - Upgrade
Upgrade
redhat/openssl-develto a version that resolves this vulnerability.Fixed in 3.0.7-29.el9_4.4 - Upgrade
Upgrade
redhat/openssl-libsto a version that resolves this vulnerability.Fixed in 3.0.7-29.el9_4.4 - Upgrade
Upgrade
redhat/openssl-libs-debuginfoto a version that resolves this vulnerability.Fixed in 3.0.7-29.el9_4.4 - Upgrade
Upgrade
redhat/openssl-perlto a version that resolves this vulnerability.Fixed in 3.0.7-29.el9_4.4 - Upgrade
Upgrade
redhat/opensslto a version that resolves this vulnerability.Fixed in 3.0.7-29.el9_4.4.aa - Upgrade
Upgrade
redhat/openssl-debuginfoto a version that resolves this vulnerability.Fixed in 3.0.7-29.el9_4.4.aa - Upgrade
Upgrade
redhat/openssl-debugsourceto a version that resolves this vulnerability.Fixed in 3.0.7-29.el9_4.4.aa - Upgrade
Upgrade
redhat/openssl-develto a version that resolves this vulnerability.Fixed in 3.0.7-29.el9_4.4.aa - Upgrade
Upgrade
redhat/openssl-libsto a version that resolves this vulnerability.Fixed in 3.0.7-29.el9_4.4.aa - Upgrade
Upgrade
redhat/openssl-libs-debuginfoto a version that resolves this vulnerability.Fixed in 3.0.7-29.el9_4.4.aa - Upgrade
Upgrade
redhat/openssl-perlto a version that resolves this vulnerability.Fixed in 3.0.7-29.el9_4.4.aa
Event History
Frequently Asked Questions
Which package variants are included in this update?
The update covers redhat/openssl, redhat/openssl-libs, redhat/openssl-devel, redhat/openssl-perl, and the associated debuginfo and debugsource packages.
Does the update address issues beyond the CMS heap buffer overflow?
Yes. It also fixes an invalid pointer dereference in the CMP server triggered through a crafted protectionAlg, and a compat-openssl DTLS issue involving retransmission from a stale buffer offset.