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mozillaMozilla FoundationMFSA2015-87
HistoryAug 11, 2015 - 12:00 a.m.

Crash when using shared memory in JavaScript — Mozilla

2015-08-1100:00:00
Mozilla Foundation
www.mozilla.org
13

5 Medium

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

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

0.049 Low

EPSS

Percentile

92.8%

Security researcher Jukka Jylänki reported a crash that occurs because JavaScript, when using shared memory, does not properly gate access to Atomics or SharedArrayBuffer views in some contexts. This leads to a non-exploitable crash.

Affected configurations

Vulners
Node
mozillafirefoxRange<40
OR
mozillafirefox_esrRange<38.2
OR
mozillaseamonkeyRange<2.35
CPENameOperatorVersion
firefoxlt40
firefox esrlt38.2
seamonkeylt2.35

5 Medium

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

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

0.049 Low

EPSS

Percentile

92.8%