Bug 1961494 (CVE-2021-29952)

Summary: CVE-2021-29952 Mozilla: Race condition in Web Render Components
Product: [Other] Security Response Reporter: Doran Moppert <dmoppert>
Component: vulnerabilityAssignee: Red Hat Product Security <security-response-team>
Status: CLOSED NOTABUG QA Contact:
Severity: high Docs Contact:
Priority: high    
Version: unspecifiedCC: erack, jhorak, stransky, tpopela
Target Milestone: ---Keywords: Security
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Hardware: All   
OS: Linux   
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Fixed In Version: firefox 88.0.1 Doc Type: If docs needed, set a value
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Last Closed: 2021-05-18 08:33:57 UTC Type: ---
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oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: --- Target Upstream Version:
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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