CVE-2016-8339

Name: CVE-2016-8339
Creator: NVD / NIST
Published: 2016-10-28T14:59:01.603+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

CRITICALCVSS 9.8/10EPSS 14.83%

Last modified Jun 17, 2026

CVE-2016-8339 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. A buffer overflow in Redis 3.2.x prior to 3.2.4 causes arbitrary code execution when a crafted command is sent. An out of bounds write vulnerability exists in the handling of the client-output-buffer-limit option during the CONFIG SET command for the Redis data structure store. EPSS estimates a 14.83% chance of exploitation in the next 30 days.

Description

A buffer overflow in Redis 3.2.x prior to 3.2.4 causes arbitrary code execution when a crafted command is sent. An out of bounds write vulnerability exists in the handling of the client-output-buffer-limit option during the CONFIG SET command for the Redis data structure store. A crafted CONFIG SET command can lead to an out of bounds write potentially resulting in code execution.

Metrics

CVSS 3.1

9.8/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS Probability

14.83%

96.3th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-787

Affected Software

Vendor	Product	Versions
Redislabs	Redis	3.2.0
Redislabs	Redis	3.2.1
Redislabs	Redis	3.2.2
Redislabs	Redis	3.2.3

References

http://www.securityfocus.com/bid/93283Third Party Advisory, VDB Entry
http://www.talosintelligence.com/reports/TALOS-2016-0206/Exploit, Third Party Advisory
https://github.com/antirez/redis/commit/6d9f8e2462fc2c426d48c941edeb78e5df7d2977Patch, Third Party Advisory
https://security.gentoo.org/glsa/201702-16Third Party Advisory
http://www.securityfocus.com/bid/93283Third Party Advisory, VDB Entry
http://www.talosintelligence.com/reports/TALOS-2016-0206/Exploit, Third Party Advisory
https://github.com/antirez/redis/commit/6d9f8e2462fc2c426d48c941edeb78e5df7d2977Patch, Third Party Advisory
https://security.gentoo.org/glsa/201702-16Third Party Advisory

Timeline

Published: Oct 28, 2016
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2016-8339?

How severe is CVE-2016-8339?

CVE-2016-8339 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 14.83% probability of exploitation in the next 30 days.

How do I fix CVE-2016-8339?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2016-8339?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST