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libvpx

chrome

Heap buffer overflow in vp8 encoding in libvpx in Google Chrome prior to 117.0.5938.132 and libvpx 1.13.1 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page. (Chromium security severity: High)

CVE-2023-5217 is a heap buffer overflow vulnerability identified in the VP8 encoding functionality of libvpx, a video codec library integrated into Google Chrome. This vulnerability exists in Chrome versions prior to 117.0.5938.132 and libvpx versions before 1.13.1. The flaw arises from improper bounds checking during VP8 video encoding, which can be triggered by processing specially crafted VP8 video data embedded within an HTML page. When a user visits a malicious webpage containing this crafted content, the heap buffer overflow can lead to heap corruption. Such corruption may allow an attacker to execute arbitrary code, escalate privileges within the browser sandbox, or cause a denial of service by crashing the browser. The vulnerability is remotely exploitable without requiring prior authentication, but it does require user interaction (i.e., visiting the malicious page). The CVSS v3.1 score is 8.8 (High), reflecting the vulnerability's ease of exploitation over the network (AV:N), low attack complexity (AC:L), no privileges required (PR:N), but requiring user interaction (UI:R). The impact covers confidentiality, integrity, and availability (C:H/I:H/A:H). No public exploits have been reported yet, but the potential for exploitation is significant given the widespread use of Chrome and libvpx. The vulnerability is tracked under CWE-787 (Out-of-bounds Write).

Detailed information about CVE-2023-5217: Heap buffer overflow in Google Chrome affecting Google Chrome. Get real-time updates, technical details, and mitigatio

CVE-2023-5217: Heap buffer overflow in Google Chrome - Live Threat Intelligence - Threat Radar | OffSeq.com

CVE-2023-5217: Heap buffer overflow in Google Chrome

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