CVE-2013-6449
openssl: crash when using TLS 1.2 caused by use of incorrect hash algorithm
Severity
ImportantRed Hat Product Security
CVSS 2.0
Review impact separately from score.
Published · December 19, 2013
Updated · August 5, 2026
Description
The ssl_get_algorithm2 function in ssl/s3_lib.c in OpenSSL before 1.0.2 obtains a certain version number from an incorrect data structure, which allows remote attackers to cause a denial of service (daemon crash) via crafted traffic from a TLS 1.2 client.
Statement
This issue did not affect the versions of openssl as shipped with Red Hat Enterprise Linux 5 and earlier.
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 · 5AV:N/AC:L/Au:N/C:N/I:N/A:P
CWE not specified