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.
Published: 2017-08-01
Score: 5.9 Medium
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
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Remediation

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Tracking

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Advisories
Source ID Title
EUVD EUVD EUVD-2017-3716 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.
Ubuntu USN Ubuntu USN USN-5768-1 GNU C Library vulnerabilities
History

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Subscriptions

Gnu Glibc
Redhat Enterprise Linux
cve-icon MITRE

Status: PUBLISHED

Assigner: mitre

Published:

Updated: 2024-08-05T18:28:16.526Z

Reserved: 2017-08-01T00:00:00.000Z

Link: CVE-2017-12132

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Modified

Published: 2017-08-01T16:29:00.180

Modified: 2026-05-13T00:24:29.033

Link: CVE-2017-12132

cve-icon Redhat

Severity : Low

Publid Date: 2017-04-07T00:00:00Z

Links: CVE-2017-12132 - Bugzilla

cve-icon OpenCVE Enrichment

No data.

Weaknesses