CVE-2016-5417

Memory leak in the __res_vinit function in the IPv6 name server management code in libresolv in GNU C Library (aka glibc or libc6) before 2.24 allows remote attackers to cause a denial of service (memory consumption) by leveraging partial initialization of internal resolver data structures.

• CWE-399

• http://www.openwall.com/lists/oss-security/2016/08/02/5Mailing List, Third Party Advisory
• http://www.securityfocus.com/bid/92257Third Party Advisory, VDB Entry
• https://sourceware.org/bugzilla/show_bug.cgi?id=19257Issue Tracking, Patch, Third Party Advisory, VDB Entry
• https://sourceware.org/git/gitweb.cgi?p=glibc.git%3Ba=commitdiff%3Bh=2212c1420c92a33b0e0bd9a34938c9814a56c0f7
• https://www.sourceware.org/ml/libc-alpha/2016-08/msg00212.htmlRelease Notes
• http://www.openwall.com/lists/oss-security/2016/08/02/5Mailing List, Third Party Advisory
• http://www.securityfocus.com/bid/92257Third Party Advisory, VDB Entry
• https://sourceware.org/bugzilla/show_bug.cgi?id=19257Issue Tracking, Patch, Third Party Advisory, VDB Entry
• https://sourceware.org/git/gitweb.cgi?p=glibc.git%3Ba=commitdiff%3Bh=2212c1420c92a33b0e0bd9a34938c9814a56c0f7
• https://www.sourceware.org/ml/libc-alpha/2016-08/msg00212.htmlRelease Notes

Published

Feb 17, 2017

Last Modified

Jun 17, 2026

Status

Modified

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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