CVE-2015-1788
OpenSSL: Malformed ECParameters causes infinite loop
Severity
ModerateRed Hat Product Security
CVSS 2.0
Review impact separately from score.
Published · June 11, 2015
Updated · August 5, 2026
Description
It was reported that OpenSSL could enter an infinite loop when processing an ECParameters structure if the curve specified is over a specially malformed binary polynomial field. This can be used to perform denial of service attacks against any system which processes public keys, certificate requests or certificates, including TLS clients and TLS servers with client authentication enabled.
Statement
Not vulnerable. This issue does not affect the versions of openssl package as shipped with Red Hat Enterprise Linux 5, 6 and 7.
CVSS score applicability
The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.
Mitigation
No mitigation is specified in collected source.
CVSS / CWE
CVSS 2.0 · 4.3AV:N/AC:M/Au:N/C:N/I:N/A:P
CWE-835 · Loop with Unreachable Exit Condition ('Infinite Loop')