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mozilla firefox esr 10.0 vulnerabilities and exploits
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8.8
CVSSv3
CVE-2023-6863
The `ShutdownObserver()` was susceptible to potentially undefined behavior due to its reliance on a dynamic type that lacked a virtual destructor. This vulnerability affects Firefox ESR < 115.6, Thunderbird < 115.6, and Firefox < 121.
Mozilla Thunderbird
Mozilla Firefox
Mozilla Firefox Esr
Debian Debian Linux 10.0
Debian Debian Linux 11.0
Debian Debian Linux 12.0
6.5
CVSSv3
CVE-2023-6204
On some systems—depending on the graphics settings and drivers—it was possible to force an out-of-bounds read and leak memory data into the images created on the canvas element. This vulnerability affects Firefox < 120, Firefox ESR < 115.5.0, and Thunderbird <...
Mozilla Thunderbird
Mozilla Firefox
Mozilla Firefox Esr
Debian Debian Linux 10.0
Debian Debian Linux 11.0
Debian Debian Linux 12.0
6.5
CVSSv3
CVE-2023-6205
It was possible to cause the use of a MessagePort after it had already been freed, which could potentially have led to an exploitable crash. This vulnerability affects Firefox < 120, Firefox ESR < 115.5.0, and Thunderbird < 115.5.
Mozilla Thunderbird
Mozilla Firefox
Mozilla Firefox Esr
Debian Debian Linux 10.0
Debian Debian Linux 11.0
Debian Debian Linux 12.0
8.8
CVSSv3
CVE-2023-6208
When using X11, text selected by the page using the Selection API was erroneously copied into the primary selection, a temporary storage not unlike the clipboard. *This bug only affects Firefox on X11. Other systems are unaffected.* This vulnerability affects Firefox < 120, Fi...
Mozilla Thunderbird
Mozilla Firefox
Mozilla Firefox Esr
Debian Debian Linux 10.0
Debian Debian Linux 11.0
Debian Debian Linux 12.0
6.5
CVSSv3
CVE-2023-6209
Relative URLs starting with three slashes were incorrectly parsed, and a path-traversal "/../" part in the path could be used to override the specified host. This could contribute to security problems in web sites. This vulnerability affects Firefox < 120, Firefox ES...
Mozilla Thunderbird
Mozilla Firefox
Mozilla Firefox Esr
Debian Debian Linux 10.0
Debian Debian Linux 11.0
Debian Debian Linux 12.0
8.8
CVSSv3
CVE-2023-6212
Memory safety bugs present in Firefox 119, Firefox ESR 115.4, and Thunderbird 115.4. 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
Debian Debian Linux 10.0
Debian Debian Linux 11.0
Debian Debian Linux 12.0
10
CVSSv3
CVE-2021-38503
The iframe sandbox rules were not correctly applied to XSLT stylesheets, allowing an iframe to bypass restrictions such as executing scripts or navigating the top-level frame. This vulnerability affects Firefox < 94, Thunderbird < 91.3, and Firefox ESR < 91.3.
Mozilla Firefox
Mozilla Firefox Esr
Mozilla Thunderbird
Debian Debian Linux 9.0
Debian Debian Linux 10.0
Debian Debian Linux 11.0
8.8
CVSSv3
CVE-2021-38504
When interacting with an HTML input element's file picker dialog with webkitdirectory set, a use-after-free could have resulted, leading to memory corruption and a potentially exploitable crash. This vulnerability affects Firefox < 94, Thunderbird < 91.3, and Firefox E...
Mozilla Firefox Esr
Mozilla Thunderbird
Mozilla Firefox
Debian Debian Linux 9.0
Debian Debian Linux 10.0
Debian Debian Linux 11.0
4.3
CVSSv3
CVE-2021-38506
Through a series of navigations, Firefox could have entered fullscreen mode without notification or warning to the user. This could lead to spoofing attacks on the browser UI including phishing. This vulnerability affects Firefox < 94, Thunderbird < 91.3, and Firefox ESR &l...
Mozilla Firefox Esr
Mozilla Thunderbird
Mozilla Firefox
Debian Debian Linux 9.0
Debian Debian Linux 10.0
Debian Debian Linux 11.0
6.5
CVSSv3
CVE-2021-38507
The Opportunistic Encryption feature of HTTP2 (RFC 8164) allows a connection to be transparently upgraded to TLS while retaining the visual properties of an HTTP connection, including being same-origin with unencrypted connections on port 80. However, if a second encrypted port o...
Mozilla Firefox Esr
Mozilla Thunderbird
Mozilla Firefox
Debian Debian Linux 9.0
Debian Debian Linux 10.0
Debian Debian Linux 11.0
CVSSv3
CVSSv2
CVSSv3
VMScore
Recommendations:
NULL pointer dereference
CVE-2024-5274
CVE-2020-17519
CVE-2024-35340
CVE-2021-47558
local
XML injection
CVE-2021-47519
CVE-2021-47543
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