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.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| — | Quagga before 1.0.20161017 | Quagga before 1.0.20161017 | — |
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Debian
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 8 | quagga | 0.99.23.1-1+deb8u3 | DSA-3695-1 |
| Debian 7 | quagga | 0.99.22.4-1+wheezy3+deb7u1 | DLA-662-1 |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 16.04 LTS | quagga | 0.99.24.1-2ubuntu1.2 | USN-3110-1 |
| Ubuntu 14.04 LTS | quagga | 0.99.22.4-3ubuntu1.3 | USN-3110-1 |
Red Hat
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| RHEL 6 | quagga +2 | 0.99.15-14.el6 | RHSA-2017:0794 |
SUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 12 SP3 | quagga | 1.1.1-17.3.3 | SUSE-SU-2017:2294-1 |
| SLES 12 SP2 | quagga | 1.1.1-17.3.3 | SUSE-SU-2017:2294-1 |
| SLES 12 SP1 | quagga | 0.99.22.1-15.1 | SUSE-SU-2016:2618-1 |
| SLES 11 SP4 | quagga | 0.99.15-0.29.1 | SUSE-SU-2016:2569-1 |
Show 4 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES for SAP 12 SP3 | quagga | 1.1.1-17.3.3 | SUSE-SU-2017:2294-1 |
| SLES for SAP 12 SP2 | quagga | 1.1.1-17.3.3 | SUSE-SU-2017:2294-1 |
| SLES for SAP 12 SP1 | quagga | 0.99.22.1-15.1 | SUSE-SU-2016:2618-1 |
| SLES for SAP 11 SP4 | quagga | 0.99.15-0.29.1 | SUSE-SU-2016:2569-1 |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Tumbleweed | quagga | 1.0.20160315-5.1 | openSUSE-SU-2024:10362-1 |
Advisories 8
- RHSA-2017:0794 Red Hat Security Advisory: quagga security and bug fix update Red Hat Security Advisories (RHSA) · Jun 26, 2026
- DLA-662-1 quagga - security update Debian Security (DSA / DLA) · Mar 9, 2026
- DSA-3695-1 quagga - security update Debian Security (DSA / DLA) · Mar 9, 2026
- USN-3110-1 quagga vulnerability Ubuntu Security Notices (USN) · Feb 10, 2026
- openSUSE-SU-2024:10362-1 libospf0-1.0.20160315-5.1 on GA media SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2016:2569-1 Security update for quagga SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2016:2618-1 Security update for quagga SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2017:2294-1 Security update for quagga SUSE / openSUSE Security Updates · May 2, 2025
References
- RHSA-2017:0794 vendor-advisory
- GLSA-201701-48 vendor-advisory
- 93775 vdb-entry
- https://bugzilla.redhat.com/show_bug.cgi?id=1386109
- http://www.gossamer-threads.com/lists/quagga/users/31952
- DSA-3695 vendor-advisory
- https://github.com/Quagga/quagga/commit/cfb1fae25f8c092e0d17073eaf7bd428ce1cd546