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CVE-2023-6862 A use-after-free was identified in the `nsDNSService::Init`

Description

A use-after-free was identified in the `nsDNSService::Init`. This issue appears to manifest rarely during start-up. This vulnerability affects Firefox ESR < 115.6 and Thunderbird < 115.6.

Affected products and versions

Product Affected versions Fixed in
Firefox ESR 115.6 earliest → < 115.6 115.6
Thunderbird 115.6 earliest → < 115.6 115.6
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