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Vulnerability record · CVE-2014-4609 · published 14 January 2020

CVE-2014-4609: Libav integer overflow vulnerability

Libav · Libav

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.

8.8 CVSS 3.1 High EPSS 5.7% · top 7.2% CWE-190 · Integer overflow
8.8CVSS 3.1 base score, v2 6.8
5.7%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
6References, 2 tagged exploit
17 Jun 2026Last modified by NVD

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.

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

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

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

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Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2014-4609), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.