How severe is CVE-2012-0249?

CVE-2012-0249 has a CVSS 2.0 base score of 3.3, rated low severity.

Is CVE-2012-0249 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (76th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2012-0249?

CVE-2012-0249 primarily affects Quagga. In total, 40 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2012-0249?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2012-0249 published?

CVE-2012-0249 was published on 2012-04-05 and last updated on 2026-06-16.

CVE-2012-0249

CVE-2012-0249 is a low-severity vulnerability in Quagga with a CVSS 2.0 base score of 3.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-119.

Key facts

Severity: Low (CVSS 2.0 base score 3.3)
EPSS exploit prediction: 2% (76th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-119
Affected product: Quagga
Published: 2012-04-05
Last modified: 2026-06-16

Description

Buffer overflow in the ospf_ls_upd_list_lsa function in ospf_packet.c in the OSPFv2 implementation in ospfd in Quagga before 0.99.20.1 allows remote attackers to cause a denial of service (assertion failure and daemon exit) via a Link State Update (aka LS Update) packet that is smaller than the length specified in its header.

Frequently asked questions

What is CVE-2012-0249?: Buffer overflow in the ospf_ls_upd_list_lsa function in ospf_packet.c in the OSPFv2 implementation in ospfd in Quagga before 0.99.20.1 allows remote attackers to cause a denial of service (assertion failure and daemon exit) via a Link State Update (aka LS Update) packet that is smaller than the length specified in its header.
How severe is CVE-2012-0249?: CVE-2012-0249 has a CVSS 2.0 base score of 3.3, rated low severity.
Is CVE-2012-0249 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (76th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2012-0249?: CVE-2012-0249 primarily affects Quagga. In total, 40 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2012-0249?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2012-0249 published?: CVE-2012-0249 was published on 2012-04-05 and last updated on 2026-06-16.

References

Affected products (40)

cpe:2.3:a:quagga:quagga:*:*:*:*:*:*:*:*
cpe:2.3:a:quagga:quagga:0.95:*:*:*:*:*:*:*
cpe:2.3:a:quagga:quagga:0.96:*:*:*:*:*:*:*
cpe:2.3:a:quagga:quagga:0.96.1:*:*:*:*:*:*:*
cpe:2.3:a:quagga:quagga:0.96.2:*:*:*:*:*:*:*
cpe:2.3:a:quagga:quagga:0.96.3:*:*:*:*:*:*:*
cpe:2.3:a:quagga:quagga:0.96.4:*:*:*:*:*:*:*
cpe:2.3:a:quagga:quagga:0.96.5:*:*:*:*:*:*:*
cpe:2.3:a:quagga:quagga:0.97.0:*:*:*:*:*:*:*
cpe:2.3:a:quagga:quagga:0.97.1:*:*:*:*:*:*:*
cpe:2.3:a:quagga:quagga:0.97.2:*:*:*:*:*:*:*
cpe:2.3:a:quagga:quagga:0.97.3:*:*:*:*:*:*:*
cpe:2.3:a:quagga:quagga:0.97.4:*:*:*:*:*:*:*
cpe:2.3:a:quagga:quagga:0.97.5:*:*:*:*:*:*:*
cpe:2.3:a:quagga:quagga:0.98.0:*:*:*:*:*:*:*
cpe:2.3:a:quagga:quagga:0.98.1:*:*:*:*:*:*:*
cpe:2.3:a:quagga:quagga:0.98.2:*:*:*:*:*:*:*
cpe:2.3:a:quagga:quagga:0.98.3:*:*:*:*:*:*:*
cpe:2.3:a:quagga:quagga:0.98.4:*:*:*:*:*:*:*
cpe:2.3:a:quagga:quagga:0.98.5:*:*:*:*:*:*:*
cpe:2.3:a:quagga:quagga:0.98.6:*:*:*:*:*:*:*
cpe:2.3:a:quagga:quagga:0.99.1:*:*:*:*:*:*:*
cpe:2.3:a:quagga:quagga:0.99.2:*:*:*:*:*:*:*
cpe:2.3:a:quagga:quagga:0.99.3:*:*:*:*:*:*:*
cpe:2.3:a:quagga:quagga:0.99.4:*:*:*:*:*:*:*
cpe:2.3:a:quagga:quagga:0.99.5:*:*:*:*:*:*:*
cpe:2.3:a:quagga:quagga:0.99.6:*:*:*:*:*:*:*
cpe:2.3:a:quagga:quagga:0.99.7:*:*:*:*:*:*:*
cpe:2.3:a:quagga:quagga:0.99.8:*:*:*:*:*:*:*
cpe:2.3:a:quagga:quagga:0.99.9:*:*:*:*:*:*:*
cpe:2.3:a:quagga:quagga:0.99.10:*:*:*:*:*:*:*
cpe:2.3:a:quagga:quagga:0.99.11:*:*:*:*:*:*:*
cpe:2.3:a:quagga:quagga:0.99.12:*:*:*:*:*:*:*
cpe:2.3:a:quagga:quagga:0.99.13:*:*:*:*:*:*:*
cpe:2.3:a:quagga:quagga:0.99.14:*:*:*:*:*:*:*
cpe:2.3:a:quagga:quagga:0.99.15:*:*:*:*:*:*:*
cpe:2.3:a:quagga:quagga:0.99.16:*:*:*:*:*:*:*
cpe:2.3:a:quagga:quagga:0.99.17:*:*:*:*:*:*:*
cpe:2.3:a:quagga:quagga:0.99.18:*:*:*:*:*:*:*
cpe:2.3:a:quagga:quagga:0.99.19:*:*:*:*:*:*:*

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