CVE-2016-5417
high
CVSS v3
7.5
CVSS v4 NEW
—
VIR risk
7.5
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.
Predictions
Exploit likelihood
83%
Patch ETA
—
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
No mitigations published for this CVE yet.
The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or — if you've already worked around this in production — publish your fix to the community-verified tier.
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OS impact
| OS | Version | Status | Fixed in |
|---|---|---|---|
| debian | bookworm | fixed | 2.22-4 |
| debian | bullseye | fixed | 2.22-4 |
| debian | forky | fixed | 2.22-4 |
| debian | sid | fixed | 2.22-4 |
| debian | trixie | fixed | 2.22-4 |
Application impact
| Vendor | Product | Versions | Fixed |
|---|---|---|---|
| gnu | glibc | {"endIncluding":"2.23"} | |
References
- http://www.openwall.com/lists/oss-security/2016/08/02/5
- http://www.securityfocus.com/bid/92257
- https://sourceware.org/bugzilla/show_bug.cgi?id=19257
- https://sourceware.org/git/gitweb.cgi?p=glibc.git%3Ba=commitdiff%3Bh=2212c1420c92a33b0e0bd9a34938c9814a56c0f7
- https://www.sourceware.org/ml/libc-alpha/2016-08/msg00212.html
- https://security-tracker.debian.org/tracker/CVE-2016-5417
CWEs
CWE-399
Community-verified mitigations for this CVE will appear above when contributors publish them.
Verify integrity in audit chain (admin only). AS-IS.