CVE-2020-6072
CRITICAL9.8EPSS 1.1%Published: 3/24/2020Modified: 4/28/2026
Description
An exploitable code execution vulnerability exists in the label-parsing functionality of Videolabs libmicrodns 0.1.0. When parsing compressed labels in mDNS messages, the rr_decode function's return value is not checked, leading to a double free that could be exploited to execute arbitrary code. An attacker can send an mDNS message to trigger this vulnerability.
Affected packages (2)
- Debian/libmicrodnsfrom 0, < 0.2.0-1
- Debian/vlcfrom 0, < 3.0.8-4
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | CRITICAL9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |