Bug 1961494 (CVE-2021-29952) - CVE-2021-29952 Mozilla: Race condition in Web Render Components
Summary: CVE-2021-29952 Mozilla: Race condition in Web Render Components
Keywords:
Status: CLOSED NOTABUG
Alias: CVE-2021-29952
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
high
high
Target Milestone: ---
Assignee: Red Hat Product Security
QA Contact:
URL:
Whiteboard:
Depends On:
Blocks:
TreeView+ depends on / blocked
 
Reported: 2021-05-18 06:13 UTC by Doran Moppert
Modified: 2021-10-05 06:56 UTC (History)
4 users (show)

Fixed In Version: firefox 88.0.1
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Clone Of:
Environment:
Last Closed: 2021-05-18 08:33:57 UTC
Embargoed:

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Description Doran Moppert 2021-05-18 06:13:32 UTC 
When Web Render components were destructed, a race condition could have caused undefined behavior, and we presume that with enough effort may have been exploitable to run arbitrary code.



External Reference:

https://www.mozilla.org/en-US/security/advisories/mfsa2021-20/#CVE-2021-29952
Comment 1 Product Security DevOps Team 2021-05-18 08:33:57 UTC 
This bug is now closed. Further updates for individual products will be reflected on the CVE page(s):

https://access.redhat.com/security/cve/cve-2021-29952
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