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CVE-2012-0249

16
FAUCET Score

CVE-2012-0249 describes a buffer overflow vulnerability in the OSPFv2 implementation of Quagga before version 0.99.20.1. Specifically, the ospf_ls_upd_list_lsa function in ospfd is susceptible to a denial of service (daemon exit) when processing malformed Link State Update packets. This vulnerability has a low severity score (CVSS 3.3) due to its adjacent network attack vector and partial impact on availability. There is no evidence of active exploitation, publicly available exploit code, or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
<= 0.99.20CPE matchmatch criteria
cpe:2.3:a:quagga:quagga:*:*:*:*:*:*:*:*
0.95CPE matchmatch criteria
cpe:2.3:a:quagga:quagga:0.95:*:*:*:*:*:*:*
0.96CPE matchmatch criteria
cpe:2.3:a:quagga:quagga:0.96:*:*:*:*:*:*:*
0.96.1CPE matchmatch criteria
cpe:2.3:a:quagga:quagga:0.96.1:*:*:*:*:*:*:*
0.96.2CPE matchmatch criteria
cpe:2.3:a:quagga:quagga:0.96.2:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

3.3LOW

AV:A/AC:L/Au:N/C:N/I:N/A:P

Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
Access Vector
ADJACENT_NETWORK
Access Complexity
LOW
Authentication
NONE
Exploitability Score
6.5
Impact Score
2.9
CvssVersion
2.0

Exploit Intelligence

EPSS Score
1.82%
Probability of exploitation in next 30 days
EPSS Percentile
76.5%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0182 is in the 80th percentile among its peer group of 94 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 Bluesky, 0.0 Mastodon, and 0.0 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (2)

redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 5Fixed in: quagga-0:0.98.6-7.el5_8.1
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 6Fixed in: quagga-0:0.99.15-7.el6_3.2
View patch

Vendor Advisories (1)

redhatCVE-2012-0249Low

(ospfd): Assertion failure due improper length check for a received LS-Update OSPF packet

Mar 28, 2012

References

lists.fedoraproject.org / pipermail/package-announce/2012-April/078794.html
lists.fedoraproject.org / pipermail/package-announce/2012-April/078910.html
lists.fedoraproject.org / pipermail/package-announce/2012-April/078926.html
rhn.redhat.com / errata/RHSA-2012-1258.html
rhn.redhat.com / errata/RHSA-2012-1259.html
bugzilla.quagga.net / show_bug.cgi
ExploitPatch
secunia.com / advisories/48949
debian.org / security/2012/dsa-2459
kb.cert.org / vuls/id/551715
PatchUS Government Resource