Unrated severityNVD Advisory· Published Oct 29, 2009· Updated Jun 16, 2026
CVE-2009-3376
CVE-2009-3376
Description
Mozilla Firefox before 3.0.15 and 3.5.x before 3.5.4, and SeaMonkey before 2.0, does not properly handle a right-to-left override (aka RLO or U+202E) Unicode character in a download filename, which allows remote attackers to spoof file extensions via a crafted filename, as demonstrated by displaying a non-executable extension for an executable file.
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LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
56cpe:2.3:a:mozilla:firefox:3.0.1:*:*:*:*:*:*:*+ 17 more
- cpe:2.3:a:mozilla:firefox:3.0.1:*:*:*:*:*:*:*
- cpe:2.3:a:mozilla:firefox:3.0.10:*:*:*:*:*:*:*
- cpe:2.3:a:mozilla:firefox:3.0.11:*:*:*:*:*:*:*
- cpe:2.3:a:mozilla:firefox:3.0.12:*:*:*:*:*:*:*
- cpe:2.3:a:mozilla:firefox:3.0.13:*:*:*:*:*:*:*
- cpe:2.3:a:mozilla:firefox:3.0.2:*:*:*:*:*:*:*
- cpe:2.3:a:mozilla:firefox:3.0.3:*:*:*:*:*:*:*
- cpe:2.3:a:mozilla:firefox:3.0.4:*:*:*:*:*:*:*
- cpe:2.3:a:mozilla:firefox:3.0.5:*:*:*:*:*:*:*
- cpe:2.3:a:mozilla:firefox:3.0.6:*:*:*:*:*:*:*
- cpe:2.3:a:mozilla:firefox:3.0.7:*:*:*:*:*:*:*
- cpe:2.3:a:mozilla:firefox:3.0.8:*:*:*:*:*:*:*
- cpe:2.3:a:mozilla:firefox:3.0.9:*:*:*:*:*:*:*
- cpe:2.3:a:mozilla:firefox:3.0:beta5:*:*:*:*:*:*
- cpe:2.3:a:mozilla:firefox:3.5.1:*:*:*:*:*:*:*
- cpe:2.3:a:mozilla:firefox:3.5.2:*:*:*:*:*:*:*
- cpe:2.3:a:mozilla:firefox:3.5.3:*:*:*:*:*:*:*
- (no CPE)range: <3.0.15, >=3.5 <3.5.4
cpe:2.3:a:mozilla:seamonkey:*:*:*:*:*:*:*:*+ 35 more
- cpe:2.3:a:mozilla:seamonkey:*:*:*:*:*:*:*:*range: <=1.5.0.10
- cpe:2.3:a:mozilla:seamonkey:1.0:*:*:*:*:*:*:*
- cpe:2.3:a:mozilla:seamonkey:1.0.1:*:*:*:*:*:*:*
- cpe:2.3:a:mozilla:seamonkey:1.0.2:*:*:*:*:*:*:*
- cpe:2.3:a:mozilla:seamonkey:1.0.3:*:*:*:*:*:*:*
- cpe:2.3:a:mozilla:seamonkey:1.0.4:*:*:*:*:*:*:*
- cpe:2.3:a:mozilla:seamonkey:1.0.5:*:*:*:*:*:*:*
- cpe:2.3:a:mozilla:seamonkey:1.0.6:*:*:*:*:*:*:*
- cpe:2.3:a:mozilla:seamonkey:1.0.7:*:*:*:*:*:*:*
- cpe:2.3:a:mozilla:seamonkey:1.0.8:*:*:*:*:*:*:*
- cpe:2.3:a:mozilla:seamonkey:1.0.9:*:*:*:*:*:*:*
- cpe:2.3:a:mozilla:seamonkey:1.0:alpha:*:*:*:*:*:*
- cpe:2.3:a:mozilla:seamonkey:1.0:beta:*:*:*:*:*:*
- cpe:2.3:a:mozilla:seamonkey:1.1:*:*:*:*:*:*:*
- cpe:2.3:a:mozilla:seamonkey:1.1.1:*:*:*:*:*:*:*
- cpe:2.3:a:mozilla:seamonkey:1.1.10:*:*:*:*:*:*:*
- cpe:2.3:a:mozilla:seamonkey:1.1.11:*:*:*:*:*:*:*
- cpe:2.3:a:mozilla:seamonkey:1.1.12:*:*:*:*:*:*:*
- cpe:2.3:a:mozilla:seamonkey:1.1.13:*:*:*:*:*:*:*
- cpe:2.3:a:mozilla:seamonkey:1.1.14:*:*:*:*:*:*:*
- cpe:2.3:a:mozilla:seamonkey:1.1.15:*:*:*:*:*:*:*
- cpe:2.3:a:mozilla:seamonkey:1.1.16:*:*:*:*:*:*:*
- cpe:2.3:a:mozilla:seamonkey:1.1.17:*:*:*:*:*:*:*
- cpe:2.3:a:mozilla:seamonkey:1.1.2:*:*:*:*:*:*:*
- cpe:2.3:a:mozilla:seamonkey:1.1.3:*:*:*:*:*:*:*
- cpe:2.3:a:mozilla:seamonkey:1.1.4:*:*:*:*:*:*:*
- cpe:2.3:a:mozilla:seamonkey:1.1.5:*:*:*:*:*:*:*
- cpe:2.3:a:mozilla:seamonkey:1.1.6:*:*:*:*:*:*:*
- cpe:2.3:a:mozilla:seamonkey:1.1.7:*:*:*:*:*:*:*
- cpe:2.3:a:mozilla:seamonkey:1.1.8:*:*:*:*:*:*:*
- cpe:2.3:a:mozilla:seamonkey:1.1.9:*:*:*:*:*:*:*
- cpe:2.3:a:mozilla:seamonkey:1.1:alpha:*:*:*:*:*:*
- cpe:2.3:a:mozilla:seamonkey:1.1:beta:*:*:*:*:*:*
- cpe:2.3:a:mozilla:seamonkey:1.5.0.8:*:*:*:*:*:*:*
- cpe:2.3:a:mozilla:seamonkey:1.5.0.9:*:*:*:*:*:*:*
- (no CPE)range: <2.0
- osv-coords2 versionspkg:rpm/opensuse/firefox-esr&distro=openSUSE%20Tumbleweedpkg:rpm/opensuse/MozillaFirefox&distro=openSUSE%20Tumbleweed
< 128.5.1-1.1+ 1 more
- (no CPE)range: < 128.5.1-1.1
- (no CPE)range: < 50.1.0-1.1
Patches
Vulnerability mechanics
References
14- www.mozilla.org/security/announce/2009/mfsa2009-62.htmlnvdPatchVendor Advisory
- lists.opensuse.org/opensuse-security-announce/2010-06/msg00001.htmlnvd
- secunia.com/advisories/38977nvd
- sunsolve.sun.com/search/document.donvd
- www.mandriva.com/security/advisoriesnvd
- www.redhat.com/support/errata/RHSA-2010-0153.htmlnvd
- www.redhat.com/support/errata/RHSA-2010-0154.htmlnvd
- www.ubuntu.com/usn/USN-915-1nvd
- www.vupen.com/english/advisories/2009/3334nvd
- www.vupen.com/english/advisories/2010/0648nvd
- www.vupen.com/english/advisories/2010/0650nvd
- bugzilla.mozilla.org/show_bug.cginvd
- oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A11218nvd
- oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A6541nvd
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