CVE-2013-2236

Stack-based buffer overflow in the new_msg_lsa_change_notify function in the OSPFD API (ospf_api.c) in Quagga before 0.99.22.2, when --enable-opaque-lsa and the -a command line option are used, allows remote attackers to cause a denial of service (crash) via a large LSA.

Published: 2013-10-24 Last update: 2026-04-29 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2013-2236 is rated Low Risk (39.2/100): CVSS Low severity, with medium exploitation likelihood (EPSS 2.10%). EPSS rose +1.13% over the last day, indicating growing attacker interest. Monitor for updates and reassess as exploit intelligence or EPSS changes.

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-2013-2236

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 0.96% 2.10% +1.13%
2 2025-03-30 1.49% 0.96% -0.52%
3 2025-03-29 — 1.49% —

Full EPSS history (7 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2013-2236

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
2.6 2.0 LOW
AV:N/AC:H/Au:N/C:N/I:N/A:P 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:N)
No confidentiality impact.
Integrity impact (I:N)
No integrity impact.
Availability impact (A:P)
Partial availability impact.
 4.9 2.9 [email protected]

Weakness enumeration for CVE-2013-2236

OS Trackers for CVE-2013-2236

vendor priority summary link
gentoo normal CVE-2013-2236: 1 GLSA(s) (201310-08), 1 atom(s) (net-misc/quagga); latest impact normal. https://bugs.gentoo.org/buglist.cgi?quicksearch=CVE-2013-2236
redhat low — https://access.redhat.com/security/cve/CVE-2013-2236
ubuntu low CVE-2013-2236 low priority: Ubuntu including 1 source packages (quagga), 10 status rows across 10 suites (lucid, precise, quantal, raring, saucy, trusty, upstream, utopic, vivid, wily): ignored 4, not-affected 3, released 2, DNE 1. https://ubuntu.com/security/CVE-2013-2236

Affected software / configurations for CVE-2013-2236

Vendor Product Version Raw CPE
quagga quagga <= 0.99.22.1 cpe:2.3:a:quagga:quagga:*:*:*:*:*:*:*:*
quagga quagga 0.99.22 cpe:2.3:a:quagga:quagga:0.99.22:*:*:*:*:*:*:*

References for CVE-2013-2236

cvelogic Threat Intelligence