CVE-2020-6077

critical
Published — · Modified —
CVSS v3
CVSS v2
VIR risk
9.5

Description

An exploitable denial-of-service vulnerability exists in the message-parsing functionality of Videolabs libmicrodns 0.1.0. When parsing mDNS messages, the implementation does not properly keep track of the available data in the message, possibly leading to an out-of-bounds read that would result in a denial of service. An attacker can send an mDNS message to trigger this vulnerability.

Predictions

Exploit likelihood
20%
Patch ETA

Heuristic predictions, AS-IS, for prioritization only.

Mitigations

vendor Authored 2026-05-27

Vendor advisory: debian — https://security-tracker.debian.org/tracker/CVE-2020-6077

vendor Authored 2026-05-27

Vendor advisory: arch — https://security.archlinux.org/ASA-202004-24

OS impact

OSVersionStatusFixed in
arch archfixed0.1.2-1
debian debianforkyfixed0.2.0-1
debian debiansidfixed0.2.0-1
debian debiantrixiefixed0.2.0-1
debian debianbookwormfixed3.0.8-4
debian debianbullseyefixed3.0.8-4

References

Verify integrity in audit chain (admin only). AS-IS.