CVE-2016-4429

Name: CVE-2016-4429
Creator: NVD / NIST
Published: 2016-06-10T15:59:05.687+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 5.9/10EPSS 3.95%

Last modified Jun 17, 2026

CVE-2016-4429 is a medium-severity vulnerability rated 5.9/10 on the CVSS scale. Stack-based buffer overflow in the clntudp_call function in sunrpc/clnt_udp.c in the GNU C Library (aka glibc or libc6) allows remote servers to cause a denial of service (crash) or possibly unspecified other impact via a flood of crafted ICMP and UDP packets.. EPSS estimates a 3.95% chance of exploitation in the next 30 days.

Description

Stack-based buffer overflow in the clntudp_call function in sunrpc/clnt_udp.c in the GNU C Library (aka glibc or libc6) allows remote servers to cause a denial of service (crash) or possibly unspecified other impact via a flood of crafted ICMP and UDP packets.

Metrics

CVSS 3.1

5.9/10

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H

EPSS Probability

3.95%

89.1th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-787

Affected Software

Vendor	Product	Versions
Opensuse	Leap	42.1
Opensuse	Opensuse	13.2
Gnu	Glibc	< 2.24
Canonical	Ubuntu Linux	12.04
Canonical	Ubuntu Linux	14.04
Canonical	Ubuntu Linux	16.04
Canonical	Ubuntu Linux	18.04

References

http://lists.opensuse.org/opensuse-updates/2016-06/msg00030.htmlMailing List, Third Party Advisory
http://lists.opensuse.org/opensuse-updates/2016-07/msg00039.htmlMailing List, Third Party Advisory
http://www-01.ibm.com/support/docview.wss?uid=swg21995039Broken Link
http://www.securityfocus.com/bid/102073Third Party Advisory, VDB Entry
https://lists.debian.org/debian-lts-announce/2020/06/msg00027.html
https://source.android.com/security/bulletin/2017-12-01Third Party Advisory
https://sourceware.org/bugzilla/show_bug.cgi?id=20112Issue Tracking, Patch, Third Party Advisory
https://sourceware.org/git/gitweb.cgi?p=glibc.git%3Bh=bc779a1a5b3035133024b21e2f339fe4219fb11c
https://usn.ubuntu.com/3759-1/Third Party Advisory
https://usn.ubuntu.com/3759-2/Third Party Advisory
https://www.oracle.com//security-alerts/cpujul2021.html
http://lists.opensuse.org/opensuse-updates/2016-06/msg00030.htmlMailing List, Third Party Advisory
http://lists.opensuse.org/opensuse-updates/2016-07/msg00039.htmlMailing List, Third Party Advisory
http://www-01.ibm.com/support/docview.wss?uid=swg21995039Broken Link
http://www.securityfocus.com/bid/102073Third Party Advisory, VDB Entry
https://lists.debian.org/debian-lts-announce/2020/06/msg00027.html
https://source.android.com/security/bulletin/2017-12-01Third Party Advisory
https://sourceware.org/bugzilla/show_bug.cgi?id=20112Issue Tracking, Patch, Third Party Advisory
https://sourceware.org/git/gitweb.cgi?p=glibc.git%3Bh=bc779a1a5b3035133024b21e2f339fe4219fb11c
https://usn.ubuntu.com/3759-1/Third Party Advisory
https://usn.ubuntu.com/3759-2/Third Party Advisory
https://www.oracle.com//security-alerts/cpujul2021.html

Timeline

Published: Jun 10, 2016
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2016-4429?

How severe is CVE-2016-4429?

CVE-2016-4429 has a CVSS score of 5.9/10 (MEDIUM severity). The EPSS model estimates a 3.95% probability of exploitation in the next 30 days.

How do I fix CVE-2016-4429?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2016-4429?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST