cvedb.io
CVE-2017-12132
MEDIUM · CVSS 5.9
EPSS exploitation probability: 0%
Published 2017-08-01T16:29:00.180 · Last modified 2026-06-17T01:02:44.533

Summary

The DNS stub resolver in the GNU C Library (aka glibc or libc6) before version 2.26, when EDNS support is enabled, will solicit large UDP responses from name servers, potentially simplifying off-path DNS spoofing attacks due to IP fragmentation.

Affected products

gnu — glibc

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References

This product uses data from the NVD API but is not endorsed or certified by the NVD. Informational only; not professional security advice.