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openssl: Integer overflow in RSAZ modular exponentiation on x86_64

🗓️ 04 Nov 2020 02:16:25Reported by RedHatType 
redhat
 redhat🔗 access.redhat.com👁 3 Views

OpenSSL overflow in Montgomery squaring for 512-bit moduli; no elliptic curve impact.

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Rows per page
OSOS VersionArchitecturePackagePackage VersionFilename
Red Hat Enterprise Linux8aarch64openssl1:1.1.1g-11.el8openssl-1:1.1.1g-11.el8.aarch64.rpm
Red Hat Enterprise Linux8ppc64leopenssl1:1.1.1g-11.el8openssl-1:1.1.1g-11.el8.ppc64le.rpm
Red Hat Enterprise Linux8s390xopenssl1:1.1.1g-11.el8openssl-1:1.1.1g-11.el8.s390x.rpm
Red Hat Enterprise Linux8x86_64openssl1:1.1.1g-11.el8openssl-1:1.1.1g-11.el8.x86_64.rpm
Red Hat Enterprise Linux8aarch64openssl-debuginfo1:1.1.1g-11.el8openssl-debuginfo-1:1.1.1g-11.el8.aarch64.rpm
Red Hat Enterprise Linux8ppc64leopenssl-debuginfo1:1.1.1g-11.el8openssl-debuginfo-1:1.1.1g-11.el8.ppc64le.rpm
Red Hat Enterprise Linux8s390xopenssl-debuginfo1:1.1.1g-11.el8openssl-debuginfo-1:1.1.1g-11.el8.s390x.rpm
Red Hat Enterprise Linux8x86_64openssl-debuginfo1:1.1.1g-11.el8openssl-debuginfo-1:1.1.1g-11.el8.x86_64.rpm
Red Hat Enterprise Linux8anyopenssl-debuginfo1:1.1.1g-11.el8.i686openssl-debuginfo-1:1.1.1g-11.el8.i686.noarch.rpm
Red Hat Enterprise Linux8aarch64openssl-debugsource1:1.1.1g-11.el8openssl-debugsource-1:1.1.1g-11.el8.aarch64.rpm
Rows per page

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28 Jun 2026 12:33Current
6.6Medium risk
Vulners AI Score6.6
CVSS 25
CVSS 3.15.3
EPSS0.14298
CWE-190
opensslinteger overflowmontgomery squaringmodular exponentiationdiffie hellmanpublic key cryptography
3