Cross-site scripting (XSS) vulnerability in Mozilla Firefox before 3.6.24 and 4.x through 7.0 and Thunderbird before 3.1.6 and 5.0 through 7.0 allows remote attackers to inject arbitrary web script or HTML via crafted text with Shift JIS encoding.
CVE-2011-3648
- No confirmed exploitation signals yet
A fix is available — apply it.
- CVSS v3
- —
- EG Score
- 0.0(none)
- EPSS
- 70.3%
- KEV
- Not listed
Published
November 9, 2011
Last Modified
April 29, 2026
References (10)
- cve@mitrehttp://lists.opensuse.org/opensuse-security-announce/2011-11/msg00020.html
- cve@mitrehttp://www.mozilla.org/security/announce/2011/mfsa2011-47.html
- cve@mitrehttp://www.redhat.com/support/errata/RHSA-2011-1439.html
- cve@mitrehttps://bugzilla.mozilla.org/show_bug.cgi?id=690225
- cve@mitrehttps://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A14212
- af854a3a-2127-422b-91ae-364da2661108http://lists.opensuse.org/opensuse-security-announce/2011-11/msg00020.html
- af854a3a-2127-422b-91ae-364da2661108http://www.mozilla.org/security/announce/2011/mfsa2011-47.html
- af854a3a-2127-422b-91ae-364da2661108http://www.redhat.com/support/errata/RHSA-2011-1439.html
- af854a3a-2127-422b-91ae-364da2661108https://bugzilla.mozilla.org/show_bug.cgi?id=690225
- af854a3a-2127-422b-91ae-364da2661108https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A14212
Vendor Advisories for CVE-2011-3648(4)
These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.
- RHSA-2011:1437Red Hat Product SecurityCritical
Red Hat Security Advisory: firefox security update
- RHSA-2011:1439Red Hat Product SecurityCritical
Red Hat Security Advisory: thunderbird security update
- RHSA-2011:1440Red Hat Product SecurityMedium
Red Hat Security Advisory: seamonkey security update
- RHSA-2011:1438Red Hat Product SecurityMedium
Red Hat Security Advisory: thunderbird security update
Patch Availability(8)
| Vendor / Ecosystem | Fixed in / Patch | Released | Source |
|---|---|---|---|
| ubuntu | thunderbird (3.1.16+build2+nobinonly-0ubuntu0.11.04.1) @ natty | 2026-05-29 | ubuntu |
| ubuntu | thunderbird (8.0+build1-0ubuntu0.11.10.1) @ oneiric | 2026-05-29 | ubuntu |
| ubuntu | xulrunner-1.9.2 (1.9.2.24+build2+nobinonly-0ubuntu0.10.10.1) @ maverick | 2026-05-29 | ubuntu |
| ubuntu | firefox (8.0+build1-0ubuntu0.11.10.3) @ oneiric | 2026-05-29 | ubuntu |
| redhat | seamonkey-0:1.0.9-77.el4 | 2011-11-08 | redhat |
| redhat | thunderbird-0:3.1.16-2.el6_1 | 2011-11-08 | redhat |
| redhat | xulrunner-0:1.9.2.24-2.el6_1.1 | 2011-11-08 | redhat |
| redhat | thunderbird-0:2.0.0.24-27.el5_7 | 2011-11-08 | 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.
Additional Vendor Advisories
(4)
Vendors that published advisories for this CVE beyond the curated set above. Broader coverage but minimal per-row detail — click through for the original advisory.
Data Freshness Timeline
(refreshed 10× in last 7d / 43× 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.
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- 2026-05-29 06:17 UTCEG score recompute
- 2026-05-29 06:17 UTCVendor advisory
- 2026-05-29 06:17 UTCGHSA enrichment
- 2026-05-28 13:42 UTCEPSS rescore
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Frequently asked(4)
What is CVE-2011-3648?
When was CVE-2011-3648 disclosed?
Is CVE-2011-3648 actively exploited?
How do I remediate CVE-2011-3648?
Dependency Blast Radius
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