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firefox

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Due to large allocation checks in Angle for glsl shaders being too lenient a buffer overflow could have occurred when allocating too much private shader memory on mac OS. 
*This bug only affects Firefox on macOS. Other operating systems are unaffected.* This vulnerability affects Firefox < 117, Firefox ESR < 115.2, and Thunderbird < 115.2.

CVE-2023-4582 is a buffer overflow vulnerability discovered in Mozilla Firefox and Thunderbird on macOS platforms, stemming from lenient allocation checks in the Angle graphics library's handling of GLSL shaders. Angle is a graphics abstraction layer used by Firefox to translate OpenGL ES calls to native graphics APIs. The vulnerability occurs when the system allocates private shader memory; the checks intended to prevent excessive allocation are insufficient, allowing a buffer overflow condition. This can be triggered remotely by an attacker who entices a user to load a malicious web page containing crafted GLSL shader code. The overflow can lead to arbitrary code execution within the context of the browser or email client, compromising confidentiality, integrity, and availability. The vulnerability affects Firefox versions earlier than 117, Firefox ESR versions earlier than 115.2, and Thunderbird versions earlier than 115.2, but only on macOS. Other operating systems are unaffected due to differences in graphics handling. The CVSS v3.1 base score is 8.8, indicating high severity with network attack vector, low attack complexity, no privileges required, but user interaction needed. No public exploits have been reported yet, but the potential impact is significant given the widespread use of Firefox and Thunderbird. The underlying weakness is classified under CWE-120 (Classic Buffer Overflow).

Detailed information about CVE-2023-4582: Vulnerability in Mozilla Firefox affecting Mozilla Firefox. Get real-time updates, technical details, and mitigation s

CVE-2023-4582: Vulnerability in Mozilla Firefox - Live Threat Intelligence - Threat Radar | OffSeq.com

CVE-2023-4582: Vulnerability in Mozilla Firefox

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