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CVE-2009-2479

HighPublished

Mozilla Firefox 3.0.x, 3.5, and 3.5.1 on Windows allows remote attackers to cause a denial of service (uncaught exception and application crash) via a long...

Published: Jul 16, 2009
Updated: Aug 7, 2024
Assigning CNA: mitre
Evidence observed: Jul 15, 2009

Primary CVSS

7.8/ 10High

nvd · CVSS 2.0

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

EPSS probability estimate

12.1%

Moderate · next 30 days

Percentile: 96.0%
Model date: Sep 21, 2026

EPSS is a statistical estimate, not a certainty or a measure of impact. Combine it with CVSS, KEV status, exposure and your environment.

Summary

Mozilla Firefox 3.0.x, 3.5, and 3.5.1 on Windows allows remote attackers to cause a denial of service (uncaught exception and application crash) via a long Unicode string argument to the write method. NOTE: this was originally reported as a stack-based buffer overflow. NOTE: on Linux and Mac OS X, a crash resulting from this long string reportedly occurs in an operating-system library, not in Firefox.

Sources

Mozilla Firefox 3.5 - Unicode Remote Buffer Overflow (PoC)Exploit
Andrew Haynes · windows · Jul 15, 2009

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