CVE-2016-2342

The bgp_nlri_parse_vpnv4 function in bgp_mplsvpn.c in the VPNv4 NLRI parser in bgpd in Quagga before 1.0.20160309, when a certain VPNv4 configuration is used, relies on a Labeled-VPN SAFI routes-data length field during a data copy, which allows remote attackers to execute arbitrary code or cause a denial of service (stack-based buffer overflow) via a crafted packet.

Published: 2016-03-17 Last update: 2026-05-06 Assigner: [email protected] Source: [email protected]

Conclusion & alert: CVE-2016-2342 is rated Moderate Risk (60.9/100): CVSS High severity, with high exploitation likelihood (EPSS 12.11%, 96th percentile). Core evidence: EPSS ranks this CVE among the most likely to be exploited in the near term. Mandatory action: 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-2016-2342

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 20.44% 12.11% -8.33%
2 2026-01-30 16.12% 20.44% +4.32%
3 2025-10-28 16.12%

Full EPSS history (14 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2016-2342

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
8.1 3.0 HIGH
CVSS:3.0/AV:N/AC:H/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:H)
Even with access, the exploit needs extra luck, timing, or a fussy environment to actually work.
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.
2.2 5.9 [email protected]
7.6 2.0 HIGH
AV:N/AC:H/Au:N/C:C/I:C/A:C Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:H)
Exploitation requires uncommon or highly specific conditions.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:C)
Complete confidentiality impact.
Integrity impact (I:C)
Complete integrity impact.
Availability impact (A:C)
Complete availability impact.
4.9 10.0 [email protected]

Weakness enumeration for CVE-2016-2342

OS Trackers for CVE-2016-2342

vendor priority summary link
gentoo high CVE-2016-2342: 1 GLSA(s) (201610-03), 1 atom(s) (net-misc/quagga); latest impact high. https://bugs.gentoo.org/buglist.cgi?quicksearch=CVE-2016-2342
redhat medium https://access.redhat.com/security/cve/CVE-2016-2342
suse medium CVE-2016-2342 severity moderate: SUSE including 33 source package names (libfpm_pb0, libfpm_pb0-1.1.1-2.29, …), 141 product×package rows across 41 product lines (SUSE CaaS Platform 4.0, SUSE Enterprise Storage 6, … (41 product lines)): Fixed 79, Known Not Affected 62. https://www.suse.com/security/cve/CVE-2016-2342/
ubuntu high CVE-2016-2342 high priority: Ubuntu including 1 source packages (quagga), 4 status rows across 4 suites (precise, trusty, upstream, wily): released 3, needed 1. https://ubuntu.com/security/CVE-2016-2342

Affected software / configurations for CVE-2016-2342

Vendor Product Version Raw CPE
quagga quagga 0.99.24 cpe:2.3:a:quagga:quagga:0.99.24:*:*:*:*:*:*:*
debian debian_linux 7.0 cpe:2.3:o:debian:debian_linux:7.0:*:*:*:*:*:*:*
debian debian_linux 8.0 cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*

References for CVE-2016-2342

cvelogic Threat Intelligence