CVE-2023-0933: 
vulnerability analysis and mitigation

An integer overflow vulnerability in the PDF handling component of Google Chrome was discovered prior to version 110.0.5481.177. This security flaw, identified as CVE-2023-0933, was reported on January 4, 2023, by Zhiyi Zhang from the Codesafe Team of Legendsec at QI-ANXIN Group. The vulnerability affected Google Chrome installations across Windows, Mac, and Linux operating systems (Chrome Release).

The vulnerability is characterized as an integer overflow in the PDF processing functionality of Google Chrome. When exploited, this flaw could potentially lead to heap corruption through a specially crafted PDF file. The severity of this vulnerability was assessed as Medium according to Chromium's security severity rating system, and Google awarded an $11,000 bounty for its discovery (Chrome Release, NVD).

If successfully exploited, this vulnerability could allow an attacker to potentially trigger heap corruption through a specially crafted PDF file, which could lead to program crashes or potential code execution (NVD).

Google addressed this vulnerability in Chrome version 110.0.5481.177 for Windows, Mac, and Linux platforms. Users are advised to update their Chrome installations to this version or later to protect against this vulnerability. The fix was also incorporated into various Linux distributions including Debian and Ubuntu (Chrome Release, Debian Tracker).