What’s Vulnerable › Vulnerabilities

CVE-2008-5506

• Severity: medium (CVSS 6.8 v2.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 2.1% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2008-12-17 · updated 2026-06-16
• Weakness: CWE-264

Description

Mozilla Firefox 3.x before 3.0.5 and 2.x before 2.0.0.19, Thunderbird 2.x before 2.0.0.19, and SeaMonkey 1.x before 1.1.14 allows remote attackers to bypass the same origin policy by causing the browser to issue an XMLHttpRequest to an attacker-controlled resource that uses a 302 redirect to a resource in a different domain, then reading content from the response, aka "response disclosure."

Affected products

• Canonical Ubuntu Linux: 6.06, 7.10, 8.04, 8.10
• Debian Linux: 4.0, 5.0
• Mozilla Firefox: from 2.0 before 2.0.0.19; from 3.0 before 3.0.5 — fixed in 2.0.0.19, 3.0.5
• Mozilla Seamonkey: from 1.0 before 1.1.14 — fixed in 1.1.14
• Mozilla Thunderbird: from 2.0 before 2.0.0.19 — fixed in 2.0.0.19

How to fix

Upgrade to a fixed version: Mozilla Firefox 2.0.0.19, 3.0.5; Mozilla Seamonkey 1.1.14; Mozilla Thunderbird 2.0.0.19. Check the vendor advisory for mitigations.

References

• http://secunia.com/advisories/33184
• http://secunia.com/advisories/33188
• http://secunia.com/advisories/33189
• http://secunia.com/advisories/33203
• http://secunia.com/advisories/33204
• http://secunia.com/advisories/33205
• http://secunia.com/advisories/33216
• http://secunia.com/advisories/33231
• http://secunia.com/advisories/33232
• http://secunia.com/advisories/33408
• http://secunia.com/advisories/33415
• http://secunia.com/advisories/33421

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