Medium severity5.9NVD Advisory· Published Aug 1, 2017· Updated Jun 17, 2026
CVE-2017-12132
CVE-2017-12132
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.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
21- osv-coords19 versionspkg:rpm/opensuse/glibc&distro=openSUSE%20Tumbleweedpkg:rpm/suse/glibc&distro=SUSE%20Linux%20Enterprise%20Desktop%2012%20SP2pkg:rpm/suse/glibc&distro=SUSE%20Linux%20Enterprise%20Desktop%2012%20SP3pkg:rpm/suse/glibc&distro=SUSE%20Linux%20Enterprise%20Point%20of%20Sale%2011%20SP3pkg:rpm/suse/glibc&distro=SUSE%20Linux%20Enterprise%20Server%2011%20SP3-LTSSpkg:rpm/suse/glibc&distro=SUSE%20Linux%20Enterprise%20Server%2011%20SP3-TERADATApkg:rpm/suse/glibc&distro=SUSE%20Linux%20Enterprise%20Server%2011%20SP4pkg:rpm/suse/glibc&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP1-LTSSpkg:rpm/suse/glibc&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP2pkg:rpm/suse/glibc&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP3pkg:rpm/suse/glibc&distro=SUSE%20Linux%20Enterprise%20Server%2012-LTSSpkg:rpm/suse/glibc&distro=SUSE%20Linux%20Enterprise%20Server%20for%20Raspberry%20Pi%2012%20SP2pkg:rpm/suse/glibc&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2011%20SP4pkg:rpm/suse/glibc&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP1pkg:rpm/suse/glibc&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP2pkg:rpm/suse/glibc&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP3pkg:rpm/suse/glibc&distro=SUSE%20Linux%20Enterprise%20Software%20Development%20Kit%2011%20SP4pkg:rpm/suse/glibc&distro=SUSE%20Linux%20Enterprise%20Software%20Development%20Kit%2012%20SP2pkg:rpm/suse/glibc&distro=SUSE%20Linux%20Enterprise%20Software%20Development%20Kit%2012%20SP3
< 2.34-1.2+ 18 more
- (no CPE)range: < 2.34-1.2
- (no CPE)range: < 2.22-62.6.2
- (no CPE)range: < 2.22-62.6.2
- (no CPE)range: < 2.11.3-17.110.6.2
- (no CPE)range: < 2.11.3-17.110.6.2
- (no CPE)range: < 2.11.3-17.110.6.2
- (no CPE)range: < 2.11.3-17.110.6.2
- (no CPE)range: < 2.19-40.16.950
- (no CPE)range: < 2.22-62.6.2
- (no CPE)range: < 2.22-62.6.2
- (no CPE)range: < 2.19-22.27.958
- (no CPE)range: < 2.22-62.6.2
- (no CPE)range: < 2.11.3-17.110.6.2
- (no CPE)range: < 2.19-40.16.950
- (no CPE)range: < 2.22-62.6.2
- (no CPE)range: < 2.22-62.6.2
- (no CPE)range: < 2.11.3-17.110.6.2
- (no CPE)range: < 2.22-62.6.2
- (no CPE)range: < 2.22-62.6.2
Patches
Vulnerability mechanics
References
4- sourceware.org/bugzilla/show_bug.cginvdIssue TrackingPatchThird Party Advisory
- arxiv.org/pdf/1205.4011.pdfnvdTechnical DescriptionThird Party Advisory
- www.securityfocus.com/bid/100598nvd
- access.redhat.com/errata/RHSA-2018:0805nvd
News mentions
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