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Fencer Intel
critical 9.8

CVE-2016-1245 json

It was discovered that the zebra daemon in Quagga before 1.0.20161017 suffered from a stack-based buffer overflow when processing IPv6 Neig…

published 2017-02-22 9 y ago modified 2026-06-17 4 mo ago also EUVD-2016-2344

cvss
9.8
version 3.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
3.7%
EPSS 3.7% chance of exploitation in 30 days, percentile 89%
public exploits
0
none known

Summary

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.

Patch / fix

  • quagga Ubuntu 14.04 LTS 0.99.22.4-3ubuntu1.3
  • quagga Ubuntu 16.04 LTS 0.99.24.1-2ubuntu1.2

ubuntu advisories UBUNTU-CVE-2016-1245

Ubuntu security data © Canonical Ltd., from https://github.com/canonical/ubuntu-security-notices via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

  • quagga RHEL 6 0.99.15-14.el6
  • quagga-contrib RHEL 6 0.99.15-14.el6

red hat advisories RHSA-2017:0794

  • quagga SLES for SAP 12 SP3, SLES for SAP 12 SP2, SLES for Raspberry Pi 12 SP2 +4 more 1.1.1-17.3.3
  • quagga SLES for SAP 12 SP1, SLES 12 SP1, SLE Software Development Kit 12 SP1 0.99.22.1-15.1
  • quagga SLES for SAP 11 SP4, SLES 11 SP4, SLE Software Development Kit 11 SP4 0.99.15-0.29.1

suse advisories SUSE-SU-2017:2294-1SUSE-SU-2016:2618-1SUSE-SU-2016:2569-1

  • quagga openSUSE Tumbleweed 1.0.20160315-5.1

opensuse advisories openSUSE-SU-2024:10362-1

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2016-1245 updated cvss 5.3

quagga: Buffer Overflow in IPv6 RA handling

  • Red Hat Enterprise Linux 5 quagga Red Hat Enterprise Linux 7 quagga, quagga-contrib
    affected: no fix planned “Will not fix”
  • Red Hat Enterprise Linux Server (v. 6) quagga 0.99.15-14.el6 Red Hat Enterprise Linux Server Optional (v. 6) quagga-contrib 0.99.15-14.el6 Red Hat Enterprise Linux Workstation (v. 6) quagga 0.99.15-14.el6 Red Hat Enterprise Linux Workstation Optional (v. 6) quagga-contrib 0.99.15-14.el6
    fixed: vendor fix RHSA-2017:0794

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

Exploit prediction

3.66% chance of exploitation in the next 30 days, higher than 89% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by version score vector
NVD 3.0 9.8 CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
NVD 2.0 7.5 AV:N/AC:L/Au:N/C:P/I:P/A:P

Affected products

  • n/a Quagga before 1.0.20161017

Classification

Weakness
  • CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.