All vulnerabilities

Servers and applications

CVE-2015-0291

The sigalgs implementation in t1_lib.c in OpenSSL 1.0.2 before 1.0.2a allows remote attackers to cause a denial of service (NULL pointer dereference and daemon crash) by using an invalid signature_algorithms extension in the ClientHello message during a renegotiation.

Severity
Medium 5.0
Published
19 Mar 2015
Last changed
17 Jun 2026
Added to UpHeron
21 Oct 2026
Sources
NVD

Affected software

SoftwareAffected versions
OpenSSLServers and applications · cpe:a:openssl:openssl
  • Version 1.0.2-beta1
  • Version 1.0.2-beta2
  • Version 1.0.2-beta3
  • Version 1.0.2

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2015-0291
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2015-0291