CVE-2018-5766

Severity: high (CVSS 8.8 v3.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 2.5% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2018-01-18 · updated 2026-06-17
Weakness: CWE-119

Description

In Libav through 12.2, there is an invalid memcpy in the av_packet_ref function of libavcodec/avpacket.c. Remote attackers could leverage this vulnerability to cause a denial of service (segmentation fault) via a crafted avi file.

Affected products

libav: through 12.2

References

http://www.securityfocus.com/bid/102793
https://bugzilla.libav.org/show_bug.cgi?id=1112
https://lists.debian.org/debian-lts-announce/2019/09/msg00000.html
http://www.securityfocus.com/bid/102793
https://bugzilla.libav.org/show_bug.cgi?id=1112
https://lists.debian.org/debian-lts-announce/2019/09/msg00000.html

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