CVE-2015-0207
openssl: DTLS segmentation fault in DTLSv1_listen
Severity
ModerateRed Hat Product Security
CVSS 2.0
Review impact separately from score.
Published · March 19, 2015
Updated · August 5, 2026
Description
The dtls1_listen function in d1_lib.c in OpenSSL 1.0.2 before 1.0.2a does not properly isolate the state information of independent data streams, which allows remote attackers to cause a denial of service (application crash) via crafted DTLS traffic, as demonstrated by DTLS 1.0 traffic to a DTLS 1.2 server.
Statement
This issue did not affect the versions of openssl 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-822 · Untrusted Pointer Dereference