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mozillaMozilla FoundationMFSA2014-87
HistoryDec 02, 2014 - 12:00 a.m.

Use-after-free during HTML5 parsing — Mozilla

2014-12-0200:00:00
Mozilla Foundation
www.mozilla.org
17

6.8 Medium

CVSS2

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

0.063 Low

EPSS

Percentile

93.7%

Security researcher SkyLined reported a use-after-free created by triggering the creation of a second root element while parsing HTML written to a document created with document.open(). This leads to a potentially exploitable crash.

Affected configurations

Vulners
Node
mozillafirefoxRange<34
OR
mozillafirefox_esrRange<31.3
OR
mozillafirefox_osRange<2.2
OR
mozillaseamonkeyRange<2.31
OR
mozillathunderbirdRange<31.3

6.8 Medium

CVSS2

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

0.063 Low

EPSS

Percentile

93.7%