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mozillaMozilla FoundationMFSA2012-80
HistoryOct 09, 2012 - 12:00 a.m.

Crash with invalid cast when using instanceof operator — Mozilla

2012-10-0900:00:00
Mozilla Foundation
www.mozilla.org
15

9.3 High

CVSS2

Access Vector

NETWORK

Access Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

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

0.018 Low

EPSS

Percentile

87.9%

Mozilla community member Ms2ger reported a crash due to an invalid cast when using the instanceof operator on certain types of JavaScript objects. This can lead to a potentially exploitable crash.

CPENameOperatorVersion
firefoxlt16
seamonkeylt2.13
thunderbirdlt16

9.3 High

CVSS2

Access Vector

NETWORK

Access Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

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

0.018 Low

EPSS

Percentile

87.9%