CVE-2010-2949

What it is

bgpd in Quagga before 0.99.17 does not properly parse AS paths, which allows remote attackers to cause a denial of service (NULL pointer dereference and daemon crash) via an unknown AS type in an AS path attribute in a BGP UPDATE message.

At a glance

Exploitability

Can be exploited over the network without logging in. Limited direct impact.

Exploit odds

3.4% chance of exploitation in the next 30 days (EPSS).

Fix

A patch, advisory or fixed version is referenced. Upgrade or apply it.

Timeline

1. 2010-09-10 19:00 UTC PublishedDisclosed publicly on CVE.org and NVD
2. 2026-06-16 23:21 UTC Last updatedMost recent change to the record

Why it ranks here

• Exploited in the wild: no, CISA does not list it.
• Exploit odds: 3.4% in the next 30 days (EPSS).
• Severity: 5.0 MEDIUM (CVSS).
• Fix: a patch or advisory is linked.

Details

Published

2010-09-10 19:00 UTC

Last modified

2026-06-16 23:21 UTC

Exploit probability

3.4% · EPSS, next 30 days

Record status

Modified

Affected

• Quagga ≤ 0.99.16
• Quagga 0.95
• Quagga 0.96
• Quagga 0.96.1
• Quagga 0.96.2
• Quagga 0.96.3
• Quagga 0.96.4
• Quagga 0.96.5

Attack profile CVSS 2.0 · 5.0

Attack vector

Network

Complexity

Low

Authentication

None

Confidentiality

None

Integrity

None

Availability

Partial

Is it in your code?

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