CVE-2018-5766 describes an invalid memcpy vulnerability in the av_packet_ref function of libavcodec/avpacket.c within Libav versions up to 12.2. This flaw allows remote attackers to trigger a denial of service (segmentation fault) by providing a specially crafted AVI file. With a CVSS score of 8.8 (High), this vulnerability presents a significant risk, requiring user interaction (UI:R) but with low attack complexity (AC:L) and no authentication (PR:N) for exploitation, potentially leading to high impact on confidentiality, integrity, and availability. There is currently no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
<= 12.2CPE matchmatch criteria | cpe:2.3:a:libav:libav:*:*:*:*:*:*:*:* |
CVSS version used by this source: 3.0
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.2 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.1 Security Researcher mentions.
Remediation records are not available for this CVE.