CVE-2020-6079
High
Description
An exploitable denial-of-service vulnerability exists in the resource allocation handling of Videolabs libmicrodns 0.1.0. When encountering errors while parsing mDNS messages, some allocated data is not freed, possibly leading to a denial-of-service condition via resource exhaustion. An attacker can send one mDNS message repeatedly to trigger this vulnerability through decoding of the domain name performed by rr_decode.
SeverityHigh
CVSS7.5
Exploit probability—
Product
Videolabs Libmicrodns
PublishedMar 24, 2020
First seenMar 24, 2020
How to fix
Vendor advisories
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| videolabs libmicrodns | 0.1.0 | — |
| debian debian_linux | 9.0, 10.0 | — |
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