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9.3

Firefox and Thunderbird before 2.0.0.5 may crash

CVE-2007-3735 · published 19 years ago
Summary

The JavaScript component in Firefox and Thunderbird versions older than 2.0.0.5 can be triggered by a remote user to make the program stop working. This could cause the browser or email client to close unexpectedly, interrupting work. Upgrade both applications to version 2.0.0.5 or later to prevent the issue.

What to do

The CVE record does not list a fixed version. Check the vendor's site or the advisory links below - a fix may already be released.

Affected software
VendorProductAffected versions
mozilla firefox 2.0
2.0.0.1
2.0.0.2
2.0.0.3
2.0.0.4
cpe:2.3:a:mozilla:firefox:2.0:*:*:*:*:*:*:*
mozilla thunderbird 2.0.0.0
2.0.0.1
2.0.0.2
2.0.0.3
2.0.0.4
cpe:2.3:a:mozilla:thunderbird:2.0.0.0:*:*:*:*:*:*:*
Original advisory text
Multiple unspecified vulnerabilities in the JavaScript engine in Mozilla Firefox before 2.0.0.5 and Thunderbird before 2.0.0.5 allow remote attackers to cause a denial of service (crash) via unspec...
Multiple unspecified vulnerabilities in the JavaScript engine in Mozilla Firefox before 2.0.0.5 and Thunderbird before 2.0.0.5 allow remote attackers to cause a denial of service (crash) via unspecified vectors that trigger memory corruption.
References
Fix within
Internet-facing 14 days
Internal At next upgrade
  • Not known to be exploited
  • Needs hands-on effort to exploit (estimated)
  • Gives an attacker full control (estimated)
Severity
9.3 Critical
Exploitation
2% chance of attack within 30 days
Timeline
Published18 Jul 2007
Updated29 Oct 2026
First seen29 Sep 2026
Sources
CVE-2007-3735 · NVD
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