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Servers and applications

CVE-2018-0739

Constructed ASN.1 types with a recursive definition (such as can be found in PKCS7) could eventually exceed the stack given malicious input with excessive recursion. This could result in a Denial Of Service attack. There are no such structures used within SSL/TLS that come from untrusted sources so this is considered safe. Fixed in OpenSSL 1.1.0h (Affected 1.1.0-1.1.0g). Fixed in OpenSSL 1.0.2o…

Severity
Medium 6.5
Published
27 Mar 2018
Last changed
17 Jun 2026
Added to UpHeron
21 Oct 2026
Sources
NVD

Affected software

SoftwareAffected versions
OpenSSLServers and applications · cpe:a:openssl:openssl
  • From 1.0.2b up to 1.0.2n
  • From 1.1.0 up to 1.1.0g

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2018-0739
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2018-0739