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openssl: Out-of-bounds read & write in RFC 3211 KEK Unwrap

🗓️ 12 Nov 2025 22:37:55Reported by RedHatType 
redhat
 redhat🔗 access.redhat.com👁 3 Views

OpenSSL CMS KEK Unwrap flaw allows memory corruption, denial of service, or code execution via crafted CMS messages using password based encryption.

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OSOS VersionArchitecturePackagePackage VersionFilename
Red Hat Enterprise Linux9.6aarch64openssl1:3.2.2-7.el9_6.1openssl-1:3.2.2-7.el9_6.1.aarch64.rpm
Red Hat Enterprise Linux9.6ppc64leopenssl1:3.2.2-7.el9_6.1openssl-1:3.2.2-7.el9_6.1.ppc64le.rpm
Red Hat Enterprise Linux9.6s390xopenssl1:3.2.2-7.el9_6.1openssl-1:3.2.2-7.el9_6.1.s390x.rpm
Red Hat Enterprise Linux9.6x86_64openssl1:3.2.2-7.el9_6.1openssl-1:3.2.2-7.el9_6.1.x86_64.rpm
Red Hat Enterprise Linux9.6aarch64openssl-debuginfo1:3.2.2-7.el9_6.1openssl-debuginfo-1:3.2.2-7.el9_6.1.aarch64.rpm
Red Hat Enterprise Linux9.6ppc64leopenssl-debuginfo1:3.2.2-7.el9_6.1openssl-debuginfo-1:3.2.2-7.el9_6.1.ppc64le.rpm
Red Hat Enterprise Linux9.6s390xopenssl-debuginfo1:3.2.2-7.el9_6.1openssl-debuginfo-1:3.2.2-7.el9_6.1.s390x.rpm
Red Hat Enterprise Linux9.6x86_64openssl-debuginfo1:3.2.2-7.el9_6.1openssl-debuginfo-1:3.2.2-7.el9_6.1.x86_64.rpm
Red Hat Enterprise Linux9.6anyopenssl-debuginfo1:3.2.2-7.el9_6.1.i686openssl-debuginfo-1:3.2.2-7.el9_6.1.i686.noarch.rpm
Red Hat Enterprise Linux9.6aarch64openssl-debugsource1:3.2.2-7.el9_6.1openssl-debugsource-1:3.2.2-7.el9_6.1.aarch64.rpm
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08 Jul 2026 19:02Current
6.2Medium risk
Vulners AI Score6.2
CVSS 3.17.5
EPSS0.01744
SSVC
CWE-787
OpenSSLCMS implementationKEK Unwrapmemory corruptiondenial of servicecode executionpassword based encryption
3