Out-of-bounds Read Affecting tcpreplay package, versions <3.4.4-2+deb8u1ubuntu0.1~esm2


Severity

Recommended
low

Based on Ubuntu security rating.

Threat Intelligence

EPSS
1.66% (75th percentile)

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  • Snyk IDSNYK-UBUNTU1604-TCPREPLAY-1187888
  • published22 Mar 2026
  • disclosed28 Dec 2018

Introduced: 28 Dec 2018

CVE-2018-20552  (opens in a new tab)
CWE-125  (opens in a new tab)

How to fix?

Upgrade Ubuntu:16.04 tcpreplay to version 3.4.4-2+deb8u1ubuntu0.1~esm2 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream tcpreplay package and not the tcpreplay package as distributed by Ubuntu. See How to fix? for Ubuntu:16.04 relevant fixed versions and status.

Tcpreplay before 4.3.1 has a heap-based buffer over-read in packet2tree in tree.c.