Mozilla: >> Firefox >> 104.0 Security Vulnerabilities
Mmemory safety bugs present in Firefox 109 and Firefox ESR 102.7. 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 < 110 and Firefox ESR < 102.8.
CVSS Score
8.8
EPSS Score
0.001
Published
2023-06-02
Memory safety bugs present in Firefox 109. 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 < 110.
CVSS Score
8.8
EPSS Score
0.003
Published
2023-06-02
By displaying a prompt with a long description, the fullscreen notification could have been hidden, resulting in potential user confusion or spoofing attacks. <br>*This bug only affects Firefox for Android. Other operating systems are unaffected.*. This vulnerability affects Firefox < 111.
CVSS Score
4.3
EPSS Score
0.001
Published
2023-06-02
Android applications with unpatched vulnerabilities can be launched from a browser using Intents, exposing users to these vulnerabilities. Firefox will now confirm with users that they want to launch an external application before doing so. <br>*This bug only affects Firefox for Android. Other versions of Firefox are unaffected.*. This vulnerability affects Firefox < 111.
CVSS Score
4.3
EPSS Score
0.001
Published
2023-06-02
Under certain circumstances, a ServiceWorker's offline cache may have leaked to the file system when using private browsing mode. This vulnerability affects Firefox < 111.
CVSS Score
4.3
EPSS Score
0.001
Published
2023-06-02
Sometimes, when invalidating JIT code while following an iterator, the newly generated code could be overwritten incorrectly. This could lead to a potentially exploitable crash. This vulnerability affects Firefox < 111, Firefox ESR < 102.9, and Thunderbird < 102.9.
CVSS Score
6.5
EPSS Score
0.001
Published
2023-06-02
When accessing throttled streams, the count of available bytes needed to be checked in the calling function to be within bounds. This may have lead future code to be incorrect and vulnerable. This vulnerability affects Firefox < 111, Firefox ESR < 102.9, and Thunderbird < 102.9.
CVSS Score
6.5
EPSS Score
0.001
Published
2023-06-02
An attacker could construct a PKCS 12 cert bundle in such a way that could allow for arbitrary memory writes via PKCS 12 Safe Bag attributes being mishandled. This vulnerability affects Firefox < 110, Thunderbird < 102.8, and Firefox ESR < 102.8.
CVSS Score
8.8
EPSS Score
0.002
Published
2023-06-02
A compromised web child process could disable web security opening restrictions, leading to a new child process being spawned within the <code>file://</code> context. Given a reliable exploit primitive, this new process could be exploited again leading to arbitrary file read. This vulnerability affects Firefox < 109.
CVSS Score
6.5
EPSS Score
0.001
Published
2023-06-02
Due to the Firefox GTK wrapper code's use of text/plain for drag data and GTK treating all text/plain MIMEs containing file URLs as being dragged a website could arbitrarily read a file via a call to <code>DataTransfer.setData</code>. This vulnerability affects Firefox < 109, Thunderbird < 102.7, and Firefox ESR < 102.7.
CVSS Score
6.5
EPSS Score
0.001
Published
2023-06-02