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firefox esr vulnerabilities and exploits
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6.5
CVSSv3
CVE-2023-4580
Push notifications stored on disk in private browsing mode were not being encrypted potentially allowing the leak of sensitive information. This vulnerability affects Firefox < 117, Firefox ESR < 115.2, and Thunderbird < 115.2.
Mozilla Thunderbird
Mozilla Firefox
Mozilla Firefox Esr
4.3
CVSSv3
CVE-2023-4581
Excel `.xll` add-in files did not have a blocklist entry in Firefox's executable blocklist which allowed them to be downloaded without any warning of their potential harm. This vulnerability affects Firefox < 117, Firefox ESR < 102.15, Firefox ESR < 115.2, Thunderbi...
Mozilla Thunderbird
Mozilla Firefox Esr
Mozilla Firefox
7.5
CVSSv3
CVE-2023-4583
When checking if the Browsing Context had been discarded in `HttpBaseChannel`, if the load group was not available then it was assumed to have already been discarded which was not always the case for private channels after the private session had ended. This vulnerability affects...
Mozilla Thunderbird
Mozilla Firefox
Mozilla Firefox Esr
8.8
CVSSv3
CVE-2023-4584
Memory safety bugs present in Firefox 116, Firefox ESR 102.14, Firefox ESR 115.1, Thunderbird 102.14, and Thunderbird 115.1. 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 cod...
Mozilla Thunderbird
Mozilla Firefox Esr
Mozilla Firefox
8.8
CVSSv3
CVE-2023-4585
Memory safety bugs present in Firefox 116, Firefox ESR 115.1, and Thunderbird 115.1. 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. This vulnerability affects Firefox &l...
Mozilla Thunderbird
Mozilla Firefox
Mozilla Firefox Esr
6.5
CVSSv3
CVE-2023-4573
When receiving rendering data over IPC `mStream` could have been destroyed when initialized, which could have led to a use-after-free causing a potentially exploitable crash. This vulnerability affects Firefox < 117, Firefox ESR < 102.15, Firefox ESR < 115.2, Thunderbird...
Mozilla Thunderbird
Mozilla Firefox Esr
Mozilla Firefox
6.5
CVSSv3
CVE-2023-4574
When creating a callback over IPC for showing the Color Picker window, multiple of the same callbacks could have been created at a time and eventually all simultaneously destroyed as soon as one of the callbacks finished. This could have led to a use-after-free causing a potentia...
Mozilla Thunderbird
Mozilla Firefox Esr
Mozilla Firefox
6.5
CVSSv3
CVE-2023-4575
When creating a callback over IPC for showing the File Picker window, multiple of the same callbacks could have been created at a time and eventually all simultaneously destroyed as soon as one of the callbacks finished. This could have led to a use-after-free causing a potential...
Mozilla Thunderbird
Mozilla Firefox Esr
Mozilla Firefox
6.5
CVSSv3
CVE-2023-25728
The <code>Content-Security-Policy-Report-Only</code> header could allow an malicious user to leak a child iframe's unredacted URI when interaction with that iframe triggers a redirect. This vulnerability affects Firefox < 110, Thunderbird < 102.8, and Firef...
Mozilla Firefox Esr
Mozilla Thunderbird
Mozilla Firefox
8.8
CVSSv3
CVE-2023-25729
Permission prompts for opening external schemes were only shown for <code>ContentPrincipals</code> resulting in extensions being able to open them without user interaction via <code>ExpandedPrincipals</code>. This could lead to further malicious actions su...
Mozilla Firefox Esr
Mozilla Thunderbird
Mozilla Firefox
CVSSv3
CVSSv2
CVSSv3
VMScore
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