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nsd -- buffer overflow vulnerability


NLnet Labs:

A one-byte buffer overflow has been reported in NSD. The problem affects all versions 2.0.0 to 3.2.1. The bug allows a carefully crafted exploit to bring down your DNS server. It is highly unlikely that this one byte overflow can lead to other (system) exploits.



portaudit: nsd -- buffer overflow vulnerability

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If you have found a vulnerability in a FreeBSD port not listed in the database, please contact the FreeBSD Security Team. Refer to "FreeBSD Security Information" for more information.

Oliver Eikemeier <>