CVE-2016-4049

Severity: high (CVSS 7.5 v3.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 4.6% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2016-05-23 · updated 2026-06-17
Weakness: CWE-20

Description

The bgp_dump_routes_func function in bgpd/bgp_dump.c in Quagga does not perform size checks when dumping data, which might allow remote attackers to cause a denial of service (assertion failure and daemon crash) via a large BGP packet.

Affected products

openSUSE Leap: 42.1
Opensuse: 13.2
quagga: all versions

References

http://lists.opensuse.org/opensuse-updates/2016-05/msg00062.html
http://rhn.redhat.com/errata/RHSA-2017-0794.html
http://www.debian.org/security/2016/dsa-3654
http://www.openwall.com/lists/oss-security/2016/04/27/7
http://www.securityfocus.com/bid/88561
http://www.securitytracker.com/id/1035699
https://lists.quagga.net/pipermail/quagga-dev/2016-February/014743.html
https://lists.quagga.net/pipermail/quagga-dev/2016-January/014699.html
https://security.gentoo.org/glsa/201701-48
http://lists.opensuse.org/opensuse-updates/2016-05/msg00062.html
http://rhn.redhat.com/errata/RHSA-2017-0794.html
http://www.debian.org/security/2016/dsa-3654

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