What is CVE-2012-5521?

CVE-2012-5521 is a medium vulnerability published on November 25, 2019. quagga (ospf6d) 0.99.21 has a DoS flaw in the way the ospf6d daemon performs routes removal

When was CVE-2012-5521 disclosed?

CVE-2012-5521 was first published in the National Vulnerability Database on November 25, 2019, with the most recent update on November 21, 2024. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2012-5521 actively exploited?

CVE-2012-5521 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 56.1% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2012-5521?

CVE-2012-5521 has a CVSS v3 base score of 6.5 (NVD).

How do I remediate CVE-2012-5521?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2012-5521, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

CVE-2012-5521

MEDIUMNVD 6.56.5—

6.5

quagga (ospf6d) 0.99.21 has a DoS flaw in the way the ospf6d daemon performs routes removal

CVSS v3: 6.5
EG Score: 6.5(medium)
EPSS: 56.1%
KEV: Not listed

References (14)

secalert@redhathttp://www.openwall.com/lists/oss-security/2012/11/13/14
secalert@redhathttp://www.securityfocus.com/bid/56530
secalert@redhathttps://access.redhat.com/security/cve/cve-2012-5521
secalert@redhathttps://bugzilla.redhat.com/show_bug.cgi?id=CVE-2012-5521
secalert@redhathttps://bugzilla.suse.com/show_bug.cgi?id=CVE-2012-5521
secalert@redhathttps://exchange.xforce.ibmcloud.com/vulnerabilities/80096
secalert@redhathttps://security-tracker.debian.org/tracker/CVE-2012-5521
af854a3a-2127-422b-91ae-364da2661108http://www.openwall.com/lists/oss-security/2012/11/13/14
af854a3a-2127-422b-91ae-364da2661108http://www.securityfocus.com/bid/56530
af854a3a-2127-422b-91ae-364da2661108https://access.redhat.com/security/cve/cve-2012-5521
af854a3a-2127-422b-91ae-364da2661108https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2012-5521
af854a3a-2127-422b-91ae-364da2661108https://bugzilla.suse.com/show_bug.cgi?id=CVE-2012-5521
af854a3a-2127-422b-91ae-364da2661108https://exchange.xforce.ibmcloud.com/vulnerabilities/80096
af854a3a-2127-422b-91ae-364da2661108https://security-tracker.debian.org/tracker/CVE-2012-5521

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CVE-2012-5521

Published

Last Modified

References (14)

Weakness Classification(1)

Data Freshness Timeline

Frequently asked(5)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2012-5521?

CVE-2012-5521

📅 Published

🔄 Last Modified

🔗 References (14)

Weakness Classification(1)

Data Freshness Timeline

❓ Frequently asked(5)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2012-5521?

Published

Last Modified

References (14)

Frequently asked(5)