DEBIAN-CVE-2021-23960

Performing garbage collection on re-declared JavaScript variables resulted in a user-after-poison, and a potentially exploitable crash. This vulnerability affects Firefox 85, Thunderbird 78.7, and Firefox ESR 78.7...

Mozilla: Use-after-poison for incorrectly redeclared JavaScript variables during GC

The Mozilla Foundation Security Advisory describes this flaw as: Performing garbage collection on re-declared JavaScript variables resulted in a user-after-poison, and a potentially exploitable crash...

Mozilla: Use-after-poison for incorrectly redeclared JavaScript variables during GC

The Mozilla Foundation Security Advisory describes this flaw as: Performing garbage collection on re-declared JavaScript variables resulted in a user-after-poison, and a potentially exploitable crash...

Mozilla: Use-after-poison for incorrectly redeclared JavaScript variables during GC

The Mozilla Foundation Security Advisory describes this flaw as: Performing garbage collection on re-declared JavaScript variables resulted in a user-after-poison, and a potentially exploitable crash...

Mozilla: Use-after-poison for incorrectly redeclared JavaScript variables during GC

The Mozilla Foundation Security Advisory describes this flaw as: Performing garbage collection on re-declared JavaScript variables resulted in a user-after-poison, and a potentially exploitable crash...

Mozilla: Use-after-poison for incorrectly redeclared JavaScript variables during GC

The Mozilla Foundation Security Advisory describes this flaw as: Performing garbage collection on re-declared JavaScript variables resulted in a user-after-poison, and a potentially exploitable crash...