An exploitable denial-of-service vulnerability exists in the message-parsing functionality of Videolabs libmicrodns 0.1.0. When parsing mDNS messages in mdns_recv, the return value of the mdns_read_header function is not checked, leading to an uninitialized variable usage that eventually results in a null pointer dereference, leading to service crash. An attacker can send a series of mDNS messages to trigger this vulnerability.
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History
Fri, 09 Oct 2026 09:30:00 +0000
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Status: PUBLISHED
Assigner: talos
Published: 2020-03-24T20:39:31.000Z
Updated: 2026-10-08T21:13:51.025Z
Reserved: 2020-01-07T00:00:00.000Z
Link: CVE-2020-6078
Updated: 2024-08-04T08:47:41.076Z
Status : Modified
Published: 2020-03-24T21:15:14.363
Modified: 2026-10-08T22:17:01.993
Link: CVE-2020-6078
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