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CVE-2017-3736

There is a carry propagating bug in the x86_64 Montgomery squaring procedure in OpenSSL before 1.0.2m and 1.1.0 before 1.1.0g. No EC algorithms are affected. Analysis suggests that attacks against RSA and DSA as a result of this defect would be very difficult to perform and are not believed likely. Attacks against DH are considered just feasible (although very difficult) because most of the work…

Severity
Medium 6.5
Published
2 Nov 2017
Last changed
17 Jun 2026
Added to UpHeron
21 Oct 2026
Fixed in
1.0.2m, 1.1.0g
Sources
NVD

Affected software

SoftwareAffected versions
OpenSSLServers and applications · cpe:a:openssl:openssl
  • From 1.0.2 before 1.0.2m
  • From 1.1.0 before 1.1.0g

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2017-3736
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2017-3736