MFSA2023-43 Thunderbird: Security Vulnerabilities fixed in Thunderbird 115.3 (CVE-2023-5174)
Description
If Windows failed to duplicate a handle during process creation, the sandbox code may have inadvertently freed a pointer twice, resulting in a use-after-free and a potentially exploitable crash. *This bug only affects Firefox on Windows when run in non-standard configurations (such as using `runas`). Other operating systems are unaffected.* This vulnerability affects Firefox < 118, Firefox ESR < 115.3, and Thunderbird < 115.3.
Solution(s)
- mozilla-thunderbird-upgrade-115_3
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