CVE-2014-4609

Severity: high (CVSS 8.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 5.7% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2020-01-14 · updated 2026-06-17
Weakness: CWE-190

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.

Affected products

libav: before 0.8.13; from 9.0 before 9.14; from 10.0 before 10.2 — fixed in 0.8.13, 10.2, 9.14

How to fix

Upgrade to a fixed version: libav 0.8.13, 10.2, 9.14. Check the vendor advisory for mitigations.

References

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

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