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mozillaMozilla FoundationMFSA2010-03
HistoryFeb 17, 2010 - 12:00 a.m.

Use-after-free crash in HTML parser — Mozilla

2010-02-1700:00:00
Mozilla Foundation
www.mozilla.org
7

10 High

CVSS2

Access Vector

NETWORK

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

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

0.151 Low

EPSS

Percentile

95.8%

Security researcher Alin Rad Pop of Secunia Research reported that the HTML parser incorrectly freed used memory when insufficient space was available to process remaining input. Under such circumstances, memory occupied by in-use objects was freed and could later be filled with attacker-controlled text. These conditions could result in the execution or arbitrary code if methods on the freed objects were subsequently called.

10 High

CVSS2

Access Vector

NETWORK

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

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

0.151 Low

EPSS

Percentile

95.8%