CVE-2009-5017

MediumCVSS 4.3/10Last modified Jun 16, 2026

Description

Mozilla Firefox before 3.6 Beta 3 does not properly handle overlong UTF-8 encoding, which makes it easier for remote attackers to bypass cross-site scripting (XSS) protection mechanisms via a crafted string, a different vulnerability than CVE-2010-1210.

Metrics

CVSS 2.0 4.3/10AV:N/AC:M/Au:N/C:N/I:P/A:N

Weakness enumeration

CWE-79

Affected software

No affected versions have been published.

Timeline

Published: Nov 12, 2010
Last modified: Jun 16, 2026
NVD status: Modified

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