Dnsmasq before 2.63test1, when used with certain libvirt configurations, replies to requests from prohibited interfaces, which allows remote attackers to cause a denial of service (traffic amplification) via a spoofed DNS query.
CVE-2012-3411
- No confirmed exploitation signals yet
A fix is available — apply it.
- CVSS v3
- —
- EG Score
- 0.0(none)
- EPSS
- 91.2%
- KEV
- Not listed
Published
March 5, 2013
Last Modified
April 29, 2026
References (22)
- secalert@redhathttp://bugs.debian.org/cgi-bin/bugreport.cgi?bug=683372
- secalert@redhathttp://rhn.redhat.com/errata/RHSA-2013-0276.html
- secalert@redhathttp://rhn.redhat.com/errata/RHSA-2013-0277.html
- secalert@redhathttp://rhn.redhat.com/errata/RHSA-2013-0579.html
- secalert@redhathttp://thekelleys.org.uk/gitweb/?p=dnsmasq.git%3Ba=commitdiff%3Bh=2f38141f434e23292f84cefc33e8de76fb856147
- secalert@redhathttp://thekelleys.org.uk/gitweb/?p=dnsmasq.git%3Ba=commitdiff%3Bh=54dd393f3938fc0c19088fbd319b95e37d81a2b0
- secalert@redhathttp://www.mandriva.com/security/advisories?name=MDVSA-2013:072
- secalert@redhathttp://www.openwall.com/lists/oss-security/2012/07/12/5
- secalert@redhathttp://www.securityfocus.com/bid/54353
- secalert@redhathttp://www.thekelleys.org.uk/dnsmasq/CHANGELOG
- secalert@redhathttps://bugzilla.redhat.com/show_bug.cgi?id=833033
- af854a3a-2127-422b-91ae-364da2661108http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=683372
- af854a3a-2127-422b-91ae-364da2661108http://rhn.redhat.com/errata/RHSA-2013-0276.html
- af854a3a-2127-422b-91ae-364da2661108http://rhn.redhat.com/errata/RHSA-2013-0277.html
- af854a3a-2127-422b-91ae-364da2661108http://rhn.redhat.com/errata/RHSA-2013-0579.html
Vendor Advisories for CVE-2012-3411(3)
These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.
- RHSA-2013:0579Red Hat Product SecurityHigh
Red Hat Security Advisory: rhev-hypervisor6 security, bug fix, and enhancement update
- RHSA-2013:0277Red Hat Product SecurityMedium
Red Hat Security Advisory: dnsmasq security, bug fix and enhancement update
- RHSA-2013:0276Red Hat Product SecurityMedium
Red Hat Security Advisory: libvirt security, bug fix, and enhancement update
Patch Availability(3)
| Vendor / Ecosystem | Fixed in / Patch | Released | Source |
|---|---|---|---|
| redhat | rhev-hypervisor6-0:6.4-20130221.0.el6 | 2013-02-28 | redhat |
| redhat | libvirt-0:0.10.2-18.el6 | 2013-02-20 | redhat |
| redhat | dnsmasq-0:2.48-13.el6 | 2013-02-20 | redhat |
Patches are aggregated from vendor advisories (Red Hat, Microsoft, Cisco, GitHub) and package ecosystems (OSV, GHSA). Multiple rows for the same upstream release have been deduplicated.
Weakness Classification(1)
MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.
Data Freshness Timeline
(refreshed 10× in last 7d / 44× in last 30d)
Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.
- 2026-07-06 16:23 UTCEPSS rescore
- 2026-07-06 02:19 UTCEPSS rescore
- 2026-07-06 02:19 UTCEPSS rescore
- 2026-07-05 09:29 UTCOSV refresh
- 2026-07-05 02:26 UTCEPSS rescore
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- 2026-06-19 19:22 UTCEPSS rescore
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- 2026-06-16 20:35 UTCOSV refresh
- 2026-06-16 17:49 UTCEPSS rescore
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- 2026-06-01 13:49 UTCEPSS rescore
- 2026-05-31 22:28 UTCEPSS rescore
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- 2026-05-31 00:14 UTCEPSS rescore
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- 2026-05-29 13:41 UTCEPSS rescore
- 2026-05-29 00:45 UTCEG score recompute
- 2026-05-29 00:45 UTCVendor advisory
- 2026-05-29 00:45 UTCGHSA enrichment
- 2026-05-28 13:42 UTCEPSS rescore
- 2026-05-28 13:42 UTCEPSS rescore
- 2026-05-27 13:38 UTCEPSS rescore
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- 2026-05-24 16:43 UTCEPSS rescore
- 2026-05-23 18:35 UTCOSV refresh
- 2026-05-22 21:15 UTCEPSS rescore
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- 2026-05-22 21:15 UTCEPSS rescore
- 2026-05-21 22:39 UTCEPSS rescore
- 2026-05-20 11:21 UTCEPSS rescore
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- 2026-05-20 11:21 UTCEPSS rescore
- 2026-05-18 21:29 UTCEPSS rescore
- 2026-05-18 21:29 UTCEPSS rescore
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10 shownredhat
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10 shownCWE-20
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- CVE-2005-0116NVD 0.0EG 9.0EPSS 99%NONE
- CVE-2002-1359NVD 0.0EG 9.0EPSS 100%NONE
- CVE-2000-0380NVD 0.0EG 9.0EPSS 98%NONE
- CVE-2000-0258EG 7.5EPSS 97%HIGH
- CVE-2004-2771EG 0.0EPSS 93%NONE
- CVE-2002-2443EG 0.0EPSS 93%NONE
- CVE-2002-2433EG 0.0NONE
- CVE-2003-1569EG 0.0NONE
- CVE-2003-1568EG 0.0NONE
Frequently asked(4)
What is CVE-2012-3411?
When was CVE-2012-3411 disclosed?
Is CVE-2012-3411 actively exploited?
How do I remediate CVE-2012-3411?
Dependency Blast Radius
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