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CVE-2009-5017

Date: November 12, 2010

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.

Severity Score

Related Resources (7)

https://bugzilla.mozilla.org/show_bug.cgi?id=511859
http://sirdarckcat.blogspot.com/2009/10/couple-of-unicode-issues-on-php-and.html
https://bugzilla.mozilla.org/show_bug.cgi?id=522634
https://nvd.nist.gov/vuln/detail/CVE-2009-5017
http://hg.mozilla.org/releases/mozilla-1.9.2/rev/e42c563313a0
https://access.redhat.com/security/cve/CVE-2009-5017
https://www.mend.io/vulnerability-database/CVE-2009-5017

Severity Score

Weakness Type (CWE)

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

CWE-79

CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): HIGH
Privileges Required (PR): NONE
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): NONE
Integrity (I): LOW
Availability (A): NONE

CVSS v2

Base Score:
Access Vector (AV): NETWORK
Access Complexity (AC): MEDIUM
Authentication (AU): NONE
Confidentiality (C): NONE
Integrity (I): PARTIAL
Availability (A): NONE
Additional information:

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