CVE-2009-2470

Severity: medium (CVSS 5.0 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 2.0% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2009-08-04 · updated 2026-06-16
Weakness: CWE-20

Description

Mozilla Firefox before 3.0.12, and 3.5.x before 3.5.2, allows remote SOCKS5 proxy servers to cause a denial of service (data stream corruption) via a long domain name in a reply.

Affected products

Mozilla Firefox: through 3.5.1; 0.1, 0.2, 0.3, 0.4, 0.5, 0.6 (+95)

References

http://secunia.com/advisories/36126
http://sunsolve.sun.com/search/document.do?assetkey=1-66-266148-1
http://www.mozilla.org/security/announce/2009/mfsa2009-38.html
http://www.redhat.com/support/errata/RHSA-2010-0153.html
http://www.redhat.com/support/errata/RHSA-2010-0154.html
http://www.securityfocus.com/bid/35925
http://www.securitytracker.com/id?1022665
http://www.vupen.com/english/advisories/2009/2142
http://www.vupen.com/english/advisories/2010/0650
https://bugzilla.mozilla.org/show_bug.cgi?id=459524
https://exchange.xforce.ibmcloud.com/vulnerabilities/52252
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10197

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