CVE-2017-12132
Medium
Description
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.
SeverityMedium
CVSS5.9
Exploit probability—
Product
Gnu Glibc
PublishedAug 1, 2017
First seenAug 1, 2017
How to fix
Vendor advisories
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| gnu glibc | v ≤ 2.25 | — |
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