CVE-2016-5417

Description

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.

Category

7.5
CVSS
Severity: High
CVSS 3.0 •
CVSS 2.0 •
EPSS 1.19% Top 25%
Third-Party Advisory openwall.com Third-Party Advisory securityfocus.com Third-Party Advisory sourceware.org
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://sourceware.org/bugzilla/show_bug.cgi?id=19257 issue tracking patch vdb entry third party advisory
http://www.securityfocus.com/bid/92257 vdb entry third party advisory
https://sourceware.org/git/gitweb.cgi?p=glibc.git%3Ba=commitdiff%3Bh=2212c1420c92a33b0e0bd9a34938c9814a56c0f7
http://www.openwall.com/lists/oss-security/2016/08/02/5 third party advisory mailing list
https://www.sourceware.org/ml/libc-alpha/2016-08/msg00212.html mailing list release notes

Frequently Asked Questions

What is the severity of CVE-2016-5417?
CVE-2016-5417 has been scored as a high severity vulnerability.
How to fix CVE-2016-5417?
To fix CVE-2016-5417, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2016-5417 being actively exploited in the wild?
It is possible that CVE-2016-5417 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~1% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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