CVE-2009-3069

10.0 HIGH 4% exploit odds Fix listed Denial of service Browser & mail

What it is

Unspecified vulnerability in the browser engine in Mozilla Firefox 3.5.x before 3.5.3 allows remote attackers to cause a denial of service (memory corruption and application crash) or possibly execute arbitrary code via unknown vectors.

At a glance

Exploitability: Can be exploited over the network without logging in. High risk of data exposure, data tampering, service disruption.
Exploit odds: 3.7% chance of exploitation in the next 30 days (EPSS).
Fix: A patch, advisory or fixed version is referenced. Upgrade or apply it.

Timeline

2009-09-10 21:30 UTC PublishedDisclosed publicly on CVE.org and NVD
2026-06-16 23:10 UTC Last updatedMost recent change to the record

Why it ranks here

Exploited in the wild: no, CISA does not list it.
Exploit odds: 3.7% in the next 30 days (EPSS).
Severity: 10.0 HIGH (CVSS).
Fix: a patch or advisory is linked.

Details

Published: 2009-09-10 21:30 UTC
Last modified: 2026-06-16 23:10 UTC
Exploit probability: 3.7% · EPSS, next 30 days
Record status: Modified

Affected

Mozilla Firefox 3.5
Mozilla Firefox 3.5.1
Mozilla Firefox 3.5.2

Attack profile CVSS 2.0 · 10.0

Attack vector: Network
Complexity: Low
Authentication: None
Confidentiality: Complete
Integrity: Complete
Availability: Complete

Raw vector

AV:N/AC:L/Au:N/C:C/I:C/A:C

Is it in your code?

Hand this to your coding agent. It searches your project for the affected products and checks versions. Nothing leaves your machine.

Read https://cve-list.com/agent/cve/CVE-2009-3069.md and follow it. Check whether this project is affected by CVE-2009-3069. Read only. Don't change anything and don't upload my code. Tell me yes, no or not sure, with the file as proof.

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Fix and advisories

References

NVD record · CVE.org record