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Vulnerability record · CVE-2016-1245 · published 22 February 2017

CVE-2016-1245: Quagga memory buffer overflow vulnerability

Quagga · Quagga

It was discovered that the zebra daemon in Quagga before 1.0.20161017 suffered from a stack-based buffer overflow when processing IPv6 Neighbor Discovery messages. The root cause was relying on BUFSIZ to be compatible with a message size; however, BUFSIZ is system-dependent.

9.8 CVSS 3.0 Critical EPSS 3.7% · top 10.8% CWE-119 · Memory buffer overflow
9.8CVSS 3.0 base score, v2 7.5
3.7%EPSS exploitation probability, 30 days
NoNot in CISA KEV
2Affected product versions listed by NVD
14References
17 Jun 2026Last modified by NVD

Description

It was discovered that the zebra daemon in Quagga before 1.0.20161017 suffered from a stack-based buffer overflow when processing IPv6 Neighbor Discovery messages. The root cause was relying on BUFSIZ to be compatible with a message size; however, BUFSIZ is system-dependent.

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products

2 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://rhn.redhat.com/errata/RHSA-2017-0794.html
http://www.gossamer-threads.com/lists/quagga/users/31952 Mailing ListMitigationThird Party Advisory
http://www.securityfocus.com/bid/93775 Third Party AdvisoryVDB Entry
https://bugzilla.redhat.com/show_bug.cgi?id=1386109 Issue TrackingThird Party Advisory
https://github.com/Quagga/quagga/commit/cfb1fae25f8c092e0d17073eaf7bd428ce1cd546 PatchThird Party Advisory
https://security.gentoo.org/glsa/201701-48
https://www.debian.org/security/2016/dsa-3695 Third Party Advisory
http://rhn.redhat.com/errata/RHSA-2017-0794.html
http://www.gossamer-threads.com/lists/quagga/users/31952 Mailing ListMitigationThird Party Advisory
http://www.securityfocus.com/bid/93775 Third Party AdvisoryVDB Entry
https://bugzilla.redhat.com/show_bug.cgi?id=1386109 Issue TrackingThird Party Advisory
https://github.com/Quagga/quagga/commit/cfb1fae25f8c092e0d17073eaf7bd428ce1cd546 PatchThird Party Advisory
https://security.gentoo.org/glsa/201701-48
https://www.debian.org/security/2016/dsa-3695 Third Party Advisory

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Source: NIST National Vulnerability Database (record CVE-2016-1245), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.