Bug 1252289 - (CVE-2015-4484) CVE-2015-4484 Mozilla: Crash when using shared memory in JavaScript (MFSA 2015-87)
CVE-2015-4484 Mozilla: Crash when using shared memory in JavaScript (MFSA 201...
Status: CLOSED ERRATA
Product: Security Response
Classification: Other
Component: vulnerability (Show other bugs)
unspecified
All Linux
medium Severity medium
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Assigned To: Red Hat Product Security
impact=moderate,public=20150811,repor...
: Security
Depends On:
Blocks: 1248359 1251515
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Reported: 2015-08-11 02:27 EDT by Huzaifa S. Sidhpurwala
Modified: 2015-08-24 23:55 EDT (History)
3 users (show)

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Doc Type: Bug Fix
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Last Closed: 2015-08-24 23:54:31 EDT
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Description Huzaifa S. Sidhpurwala 2015-08-11 02:27:02 EDT
Security researcher Jukka Jylänki reported a crash that occurs because JavaScript, when using shared memory, does not properly gate access to Atomicscode> or SharedArrayBuffer views in some contexts. This leads to a non-exploitable crash. 


External Reference:

https://www.mozilla.org/security/announce/2015/mfsa2015-87.html


Acknowledgements:

Red Hat would like to thank the Mozilla project for reporting this issue. Upstream acknowledges Jukka Jylänki as the original reporter.
Comment 1 errata-xmlrpc 2015-08-11 15:48:21 EDT
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 5
  Red Hat Enterprise Linux 6
  Red Hat Enterprise Linux 7

Via RHSA-2015:1586 https://rhn.redhat.com/errata/RHSA-2015-1586.html

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