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firefox

firefox-esr

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 potentially exploitable crash. This vulnerability affects Firefox < 117, Firefox ESR < 102.15, Firefox ESR < 115.2, Thunderbird < 102.15, and Thunderbird < 115.2.

CVE-2023-4575 is a vulnerability identified in Mozilla Firefox and Thunderbird involving the inter-process communication (IPC) mechanism used when displaying the File Picker window. The issue occurs because multiple identical callbacks can be created simultaneously, but when one callback completes, all are destroyed at once. This improper management leads to a use-after-free condition, where the program attempts to access memory that has already been freed. Such a flaw can cause the application to crash and may be exploited to execute arbitrary code, depending on the memory state and attacker capabilities. The vulnerability affects Firefox versions earlier than 117, Firefox ESR versions earlier than 102.15 and 115.2, and Thunderbird versions earlier than 102.15 and 115.2. No CVSS score has been assigned yet, and no active exploits have been reported. The root cause lies in the asynchronous callback handling in IPC, a critical component for secure and stable browser operation. Exploitation would likely require an attacker to induce the victim to open a malicious webpage or content that triggers the File Picker dialog, but no user interaction beyond this is necessarily required. This vulnerability highlights the risks associated with complex IPC mechanisms in modern browsers and email clients, emphasizing the need for rigorous memory management and callback lifecycle control.

Detailed information about CVE-2023-4575: Vulnerability in Mozilla Firefox affecting Mozilla Firefox. Get real-time updates, technical details, and mitigation s

CVE-2023-4575: Vulnerability in Mozilla Firefox - Live Threat Intelligence - Threat Radar | OffSeq.com

CVE-2023-4575: Vulnerability in Mozilla Firefox

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