CVE-2009-3371
Use-after-free vulnerability in Mozilla Firefox 3.5.x before 3.5.4 allows remote attackers to...
10.0 High
Use-after-free vulnerability in Mozilla Firefox 3.5.x before 3.5.4 allows remote attackers to cause a denial of service (application crash) or possibly execute arbitrary code by creating JavaScript web-workers recursively.
Exploit likelihood
7.17%Up 2.0 points since Feb 4, 2022
What each source reports
NVD Score used
Use-after-free vulnerability in Mozilla Firefox 3.5.x before 3.5.4 allows remote attackers to cause a denial of service (application crash) or possibly execute arbitrary code by creating JavaScript web-workers recursively.
- Record
CVE-2009-3371- CVSS 2.0
- 10.0 High
AV:N/AC:L/Au:N/C:C/I:C/A:C - Weakness
- CWE-399
- Updated
- 2026-11-02
CVE List No score
Use-after-free vulnerability in Mozilla Firefox 3.5.x before 3.5.4 allows remote attackers to cause a denial of service (application crash) or possibly execute arbitrary code by creating JavaScript web-workers recursively.
- Record
CVE-2009-3371- Updated
- 2026-11-02
EUVDEUVD-2009-3353 No score
Use-after-free vulnerability in Mozilla Firefox 3.5.x before 3.5.4 allows remote attackers to cause a denial of service (application crash) or possibly execute arbitrary code by creating JavaScript web-workers recursively.
- Record
EUVD-2009-3353- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-hq3w-qjwj-w8fp No score
Use-after-free vulnerability in Mozilla Firefox 3.5.x before 3.5.4 allows remote attackers to...
Use-after-free vulnerability in Mozilla Firefox 3.5.x before 3.5.4 allows remote attackers to cause a denial of service (application crash) or possibly execute arbitrary code by creating JavaScript web-workers recursively.
- Record
GHSA-hq3w-qjwj-w8fp- Updated
- 2026-11-02
OSVopenSUSE-SU-2024:10071-1 No score
MozillaFirefox-50.1.0-1.1 on GA media
These are all security issues fixed in the MozillaFirefox-50.1.0-1.1 package on the GA media of openSUSE Tumbleweed.
- Record
openSUSE-SU-2024:10071-1- Updated
- 2026-11-02
OSVopenSUSE-SU-2024:14572-1 No score
firefox-esr-128.5.1-1.1 on GA media
These are all security issues fixed in the firefox-esr-128.5.1-1.1 package on the GA media of openSUSE Tumbleweed.
- Record
openSUSE-SU-2024:14572-1- Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
MozillaFirefoxopenSUSE:Tumbleweed From an advisory covering 899 CVEs |
before 50.1.0-1.1 | 50.1.0-1.1 |
firefox-esropenSUSE:Tumbleweed From an advisory covering 1860 CVEs |
before 128.5.1-1.1 | 128.5.1-1.1 |
History
| Recorded | Changed | Sources |
|---|---|---|
| affected, facts | ||
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2009-3371 is a high vulnerability (CVSS 10.0) in Mozilla Firefox, published October 29, 2009. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 7.17%, the 94th percentile. No source names a fixed version.
References
sunsolve.sun.com/search/document.do?assetkey=1-26-272909-1
oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A6464
mozilla.org/security/announce/2009/mfsa2009-54.html
bugzilla.mozilla.org/show_bug.cgi?id=514554
vupen.com/english/advisories/2009/3334
mandriva.com/security/advisories?name=MDVSA-2009:294
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nvd.nist.gov/vuln/detail/CVE-2009-3371
github.com/advisories/GHSA-hq3w-qjwj-w8fp
suse.com/security/cve/CVE-2008-5913
lists.opensuse.org/archives/list/[email protected]/thread/3HI2RC7AJAHY74Q6MK7GNGWU6TITB22V
This page doesn't list everything
Left out here: 1,863 references. The JSON record has them.