High severity · published Jan 18, 2018
CVE-2018-5766
In Libav through 12.2, there is an invalid memcpy in the av_packet_ref function of libavcodec/avpacket.c
8.8
CVSS
2.5%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
Required
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)2.5% · higher than 84% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
LI
Libav · Libav
through 12.2 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2018-5766
CVE.org
https://www.cve.org/CVERecord?id=CVE-2018-5766
Third Party Advisory
http://www.securityfocus.com/bid/102793
Exploit
https://bugzilla.libav.org/show_bug.cgi?id=1112
lists.debian.org
https://lists.debian.org/debian-lts-announce/2019/09/msg00000.html
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