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NULL Pointer Dereference Affecting memcached package, versions <0:1.5.9-3.el8

Severity

 Recommended
medium

Based on Red Hat Enterprise Linux security rating.

Threat Intelligence

EPSS
2.96% (87th percentile)

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  • Snyk IDSNYK-RHEL8-MEMCACHED-3674033
  • published26 Jul 2021
  • disclosed10 Apr 2019
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Introduced: 10 Apr 2019

CVE-2019-11596  (opens in a new tab)
CWE-476  (opens in a new tab)

How to fix?

Upgrade RHEL:8 memcached to version 0:1.5.9-3.el8 or higher.
This issue was patched in RHSA-2020:1576.

NVD Description

Note: Versions mentioned in the description apply only to the upstream memcached package and not the memcached package as distributed by RHEL. See How to fix? for RHEL:8 relevant fixed versions and status.

In memcached before 1.5.14, a NULL pointer dereference was found in the "lru mode" and "lru temp_ttl" commands. This causes a denial of service when parsing crafted lru command messages in process_lru_command in memcached.c.

References