High severity8.6NVD Advisory· Published Feb 9, 2017· Updated May 13, 2026
CVE-2016-6171
CVE-2016-6171
Description
Knot DNS before 2.3.0 allows remote DNS servers to cause a denial of service (memory exhaustion and slave server crash) via a large zone transfer for (1) DDNS, (2) AXFR, or (3) IXFR.
Affected products
1Patches
0No patches discovered yet.
Vulnerability mechanics
AI mechanics synthesis has not run for this CVE yet.
References
7- github.com/sischkg/xfer-limit/blob/master/README.mdnvdPatchThird Party Advisory
- www.openwall.com/lists/oss-security/2016/07/06/3nvdMailing ListThird Party Advisory
- www.openwall.com/lists/oss-security/2016/07/06/4nvdMailing ListThird Party Advisory
- www.securityfocus.com/bid/91678nvdThird Party AdvisoryVDB Entry
- gitlab.labs.nic.cz/labs/knot/issues/464nvdVendor Advisory
- gitlab.labs.nic.cz/labs/knot/blob/c546a70563ef4c7badb7cb5bdf6d1ba8e7adae82/NEWSnvdRelease NotesVDB Entry
- lists.dns-oarc.net/pipermail/dns-operations/2016-July/015058.htmlnvdTechnical Description
News mentions
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