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Bug 802756 (CVE-2021-29970, CVE-2021-29976, CVE-2021-30547)

Summary: [Tracker] Vulnerabilities in Mozilla products (CVE-2021-{29970,29976,30547})
Product: Gentoo Security Reporter: John Helmert III <ajak>
Component: VulnerabilitiesAssignee: Gentoo Security <security>
Status: RESOLVED FIXED    
Severity: normal    
Priority: Normal    
Version: unspecified   
Hardware: All   
OS: Linux   
See Also: https://bugs.gentoo.org/show_bug.cgi?id=810781
Whiteboard:
Package list:
Runtime testing required: ---
Bug Depends on: 802759, 802768    
Bug Blocks:    

Description John Helmert III archtester Gentoo Infrastructure gentoo-dev Security 2021-07-18 16:00:34 UTC 
CVE-2021-29970: Use-after-free in accessibility features of a document

CVE-2021-29976: 

Memory corruption bugs affecting Firefox, Firefox ESR, and Thunderbird. "Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code."

CVE-2021-30547:

An out of bounds write in ANGLE could have allowed an attacker to corrupt memory leading to a potentially exploitable crash.
Comment 1 NATTkA bot gentoo-dev 2021-07-29 17:20:57 UTC Comment hidden (obsolete)
Comment 2 NATTkA bot gentoo-dev 2021-07-29 17:29:04 UTC Comment hidden (obsolete)
Comment 3 NATTkA bot gentoo-dev 2021-07-29 17:37:01 UTC Comment hidden (obsolete)
Comment 4 NATTkA bot gentoo-dev 2021-07-29 17:45:03 UTC Comment hidden (obsolete)
Comment 5 NATTkA bot gentoo-dev 2021-07-29 17:53:07 UTC Comment hidden (obsolete)
Comment 6 NATTkA bot gentoo-dev 2021-07-29 17:57:02 UTC Comment hidden (obsolete)
Comment 7 NATTkA bot gentoo-dev 2021-07-29 18:01:02 UTC Comment hidden (obsolete)
Comment 8 NATTkA bot gentoo-dev 2021-07-29 18:09:20 UTC 
Package list is empty or all packages have requested keywords.