CVE-2007-3735

What it is

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.

At a glance

Exploitability

Can be exploited over the network without logging in. High risk of data exposure, data tampering, service disruption.

Exploit odds

2.2% chance of exploitation in the next 30 days (EPSS).

Fix

A patch, advisory or fixed version is referenced. Upgrade or apply it.

Timeline

1. 2007-07-18 17:30 UTC PublishedDisclosed publicly on CVE.org and NVD
2. 2026-06-16 22:42 UTC Last updatedMost recent change to the record

Why it ranks here

• Exploited in the wild: no, CISA does not list it.
• Exploit odds: 2.2% in the next 30 days (EPSS).
• Severity: 9.3 HIGH (CVSS).
• Fix: a patch or advisory is linked.

Details

Published

2007-07-18 17:30 UTC

Last modified

2026-06-16 22:42 UTC

Exploit probability

2.2% · EPSS, next 30 days

Record status

Modified

Affected

• Mozilla Firefox 2.0
• Mozilla Firefox 2.0.0.1
• Mozilla Firefox 2.0.0.2
• Mozilla Firefox 2.0.0.3
• Mozilla Firefox 2.0.0.4
• Mozilla Thunderbird 2.0.0.0
• Mozilla Thunderbird 2.0.0.1
• Mozilla Thunderbird 2.0.0.2

Attack profile CVSS 2.0 · 9.3

Attack vector

Network

Complexity

Medium

Authentication

None

Confidentiality

Complete

Integrity

Complete

Availability

Complete

Is it in your code?

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