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OpenSSL rsaz_512_sqr overflow bug on x86_64 (CVE-2019-1551)

OpenSSL Security Advisory [6 December 2019] =========================================== rsaz_512_sqr overflow bug on x86_64 (CVE-2019-1551) =================================================== Severity: Low There is an overflow bug in the x64_64 Montgomery squaring procedure used in exponentiation with 512-bit moduli. No EC algorithms are affected. Analysis suggests that attacks against 2-prime RSA1024, 3-prime RSA1536, and DSA1024 as a result of this defect…

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