CVE-2016-1245

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.

Published: 2017-02-22 Last update: 2026-05-13 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2016-1245 is rated High Risk (72.4/100): CVSS Critical severity, with medium exploitation likelihood (EPSS 3.59%). EPSS rose +2.40% over the last day, indicating growing attacker interest. High exploitation likelihood—assess exposure and prioritize remediation.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2016-1245

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-06-15 1.19% 3.59% +2.40%
2 2025-07-13 2.35% 1.19% -1.16%
3 2025-03-30 — 2.35% —

Full EPSS history (8 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2016-1245

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
9.8 3.0 CRITICAL
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H Click to expand
Attack vector (AV:N)
Could be attacked over the internet or any normal routed network—not just someone sitting at the machine.
Attack complexity (AC:L)
Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup.
Privileges required (PR:N)
No account or special rights needed—anonymous or random user is enough.
User interaction (UI:N)
Nobody has to click “OK” or open a trap file; it can work without a victim helping.
Scope (S:U)
Damage stays in the same “trust bubble” as the broken component—no big spill into unrelated systems.
Confidentiality (C:H)
Serious risk that confidential data gets exposed in a big way.
Integrity (I:H)
They could widely tamper with or forge data—trust in the data is badly hurt.
Availability (A:H)
Could take the service down hard or make it unusable for people who depend on it.
 3.9 5.9 [email protected]
7.5 2.0 HIGH
AV:N/AC:L/Au:N/C:P/I:P/A:P Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:L)
Exploitation conditions are straightforward and predictable.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:P)
Partial confidentiality impact.
Integrity impact (I:P)
Partial integrity impact.
Availability impact (A:P)
Partial availability impact.
 10.0 6.4 [email protected]

Weakness enumeration for CVE-2016-1245

OS Trackers for CVE-2016-1245

vendor priority summary link
gentoo normal CVE-2016-1245: 1 GLSA(s) (201701-48), 1 atom(s) (net-misc/quagga); latest impact normal. https://bugs.gentoo.org/buglist.cgi?quicksearch=CVE-2016-1245
redhat medium — https://access.redhat.com/security/cve/CVE-2016-1245
suse medium CVE-2016-1245 severity moderate: SUSE including 36 source package names (libfpm_pb0, libfpm_pb0-1.1.1-17.3.3, …), 165 product×package rows across 40 product lines (SUSE CaaS Platform 4.0, SUSE Enterprise Storage 6, … (40 product lines)): Fixed 103, Known Not Affected 62. https://www.suse.com/security/cve/CVE-2016-1245/
ubuntu medium CVE-2016-1245 medium priority: Ubuntu including 1 source packages (quagga), 5 status rows across 5 suites (precise, trusty, upstream, xenial, yakkety): released 4, needs-triage 1. https://ubuntu.com/security/CVE-2016-1245

Affected software / configurations for CVE-2016-1245

Vendor Product Version Raw CPE
quagga quagga <= 1.0.20160315 cpe:2.3:a:quagga:quagga:*:*:*:*:*:*:*:*
debian debian_linux 8.0 cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*

References for CVE-2016-1245

cvelogic Threat Intelligence