Missing Release of Resource after Effective Lifetime Affecting openssl package, versions <1:1.0.1e-51.el7_2.7

Q: How to fix?

Upgrade RHEL:7 openssl to version 1:1.0.1e-51.el7_2.7 or higher. This issue was patched in RHSA-2016:1940 .

Threat Intelligence

40.26% (98^th percentile)

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Snyk IDSNYK-RHEL7-OPENSSL-5089122
published26 Jul 2021
disclosed30 Jun 2016

Report a new vulnerability Found a mistake?

Introduced: 30 Jun 2016

CVE-2016-2179 (opens in a new tab) CWE-772 (opens in a new tab)

How to fix?

Upgrade RHEL:7 openssl to version 1:1.0.1e-51.el7_2.7 or higher.
This issue was patched in RHSA-2016:1940.

NVD Description

Note: Versions mentioned in the description apply only to the upstream openssl package and not the openssl package as distributed by RHEL. See How to fix? for RHEL:7 relevant fixed versions and status.

The DTLS implementation in OpenSSL before 1.1.0 does not properly restrict the lifetime of queue entries associated with unused out-of-order messages, which allows remote attackers to cause a denial of service (memory consumption) by maintaining many crafted DTLS sessions simultaneously, related to d1_lib.c, statem_dtls.c, statem_lib.c, and statem_srvr.c.