Medium 4.3Published Jul 7, 2015

CVE-2015-3216Race condition in a certain Red Hat patch to the PRNG lock implementation in the ssleay_rand_bytes function in OpenSSL, as distributed in openssl-1.0.1e-25.el7 in Red Hat Enterprise Linux (RHEL) 7 an…

Updated under an hour ago (Nov 2, 2026, 12:10 AM ET)

Does this affect you?

It affects redhat enterprise_linux and 1 other product. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

Do this next

Start free and add your stackFree account, 3 products Every CVE for redhat enterprise_linux Exploited in the last 30 days

Race condition in a certain Red Hat patch to the PRNG lock implementation in the ssleay_rand_bytes function in OpenSSL, as distributed in openssl-1.0.1e-25.el7 in Red Hat Enterprise Linux (RHEL) 7 and other products, allows remote attackers to cause a denial of service (application crash) by establishing many TLS sessions to a multithreaded server, leading to use of a negative value for a certain length field.

CVSS: 4.3 MEDIUM (v2.0, NVD)AV:N/AC:M/Au:N/C:N/I:N/A:P
Weakness (CWE): CWE-189, CWE-362
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: Not given
NVD analysis: Modified
Record last updated: Jun 16, 2026
First seen by InfoSec Signals: Nov 1, 2026

Affected products

Affected products

redhat enterprise_linux redhat:enterprise_linux	7.0	NVD
openssl openssl openssl:openssl	1.0.1e-25.el7	NVD

References

References

http://lists.opensuse.org/opensuse-security-announce/2015-06/msg00023.html
http://lists.opensuse.org/opensuse-security-announce/2015-06/msg00024.html
http://lists.opensuse.org/opensuse-security-announce/2015-06/msg00026.html
http://lists.opensuse.org/opensuse-security-announce/2015-07/msg00004.html
http://lists.opensuse.org/opensuse-security-announce/2015-07/msg00006.html
http://rhn.redhat.com/errata/RHSA-2015-1115.html
http://rhn.redhat.com/errata/RHSA-2016-2957.html
http://www.securityfocus.com/bid/75219
http://www.securitytracker.com/id/1032587
https://bugzilla.redhat.com/show_bug.cgi?id=1225994

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.