CVE-2015-5887

Severity: critical (CVSS 10.0 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 2.5% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2015-10-09 · updated 2026-06-17
Weakness: CWE-17

Description

The TLS Handshake Protocol implementation in Secure Transport in Apple OS X before 10.11 accepts a Certificate Request message within a session in which no Server Key Exchange message has been sent, which allows remote attackers to have an unspecified impact via crafted TLS data.

Affected products

macOS: through 10.10.5

References

http://lists.apple.com/archives/security-announce/2015/Sep/msg00008.html
http://www.securityfocus.com/bid/76908
http://www.securitytracker.com/id/1033703
https://support.apple.com/HT205267
http://lists.apple.com/archives/security-announce/2015/Sep/msg00008.html
http://www.securityfocus.com/bid/76908
http://www.securitytracker.com/id/1033703
https://support.apple.com/HT205267

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