CVE-2014-4609

Name: CVE-2014-4609
Creator: NVD / NIST
Published: 2020-01-14T16:15:11.307+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 8.8/10EPSS 5.74%

Last modified Jun 17, 2026

CVE-2014-4609 is a high-severity vulnerability rated 8.8/10 on the CVSS scale. Integer overflow in the get_len function in libavutil/lzo.c in Libav before 0.8.13, 9.x before 9.14, and 10.x before 10.2 allows remote attackers to execute arbitrary code via a crafted Literal Run.. EPSS estimates a 5.74% chance of exploitation in the next 30 days.

Description

Integer overflow in the get_len function in libavutil/lzo.c in Libav before 0.8.13, 9.x before 9.14, and 10.x before 10.2 allows remote attackers to execute arbitrary code via a crafted Literal Run.

Metrics

CVSS 3.1

8.8/10

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

EPSS Probability

5.74%

92.1th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-190

Affected Software

Vendor	Product	Versions
Libav	Libav	< 0.8.13
Libav	Libav	>= 9.0, < 9.14
Libav	Libav	>= 10.0, < 10.2

References

http://blog.securitymouse.com/2014/06/raising-lazarus-20-year-old-bug-that.htmlExploit, Third Party Advisory
http://www.openwall.com/lists/oss-security/2014/06/26/22Mailing List, Third Party Advisory
https://libav.org/news/#2014-06-27Vendor Advisory
http://blog.securitymouse.com/2014/06/raising-lazarus-20-year-old-bug-that.htmlExploit, Third Party Advisory
http://www.openwall.com/lists/oss-security/2014/06/26/22Mailing List, Third Party Advisory
https://libav.org/news/#2014-06-27Vendor Advisory

Timeline

Published: Jan 14, 2020
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2014-4609?

Integer overflow in the get_len function in libavutil/lzo.c in Libav before 0.8.13, 9.x before 9.14, and 10.x before 10.2 allows remote attackers to execute arbitrary code via a crafted Literal Run.

How severe is CVE-2014-4609?

CVE-2014-4609 has a CVSS score of 8.8/10 (HIGH severity). The EPSS model estimates a 5.74% probability of exploitation in the next 30 days.

How do I fix CVE-2014-4609?

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-2014-4609?

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

Scan your code now

Source: NVD / NIST