CVE-2025-0434
Published: 15 January 2025
Summary
CVE-2025-0434 is a high-severity Heap-based Buffer Overflow (CWE-122) vulnerability in Google Chrome. Its CVSS base score is 8.8 (High).
Operationally, exploitation aligns with the MITRE ATT&CK technique Drive-by Compromise (T1189); ranked in the top 36.8% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog; a public proof-of-concept is referenced.
The strongest mitigations our analysis identified are NIST 800-53 SC-39 (Process Isolation) and SI-16 (Memory Protection).
Threat & Defense at a Glance
Threat & Defense Details
Mitigating Controls (NIST 800-53 r5)AI
Directly mandates timely remediation of the V8 out-of-bounds memory access flaw by patching Google Chrome to version 132.0.6834.83 or later.
Implements memory protections like ASLR and DEP to block heap corruption exploitation from crafted HTML pages in the V8 engine.
Enforces process isolation through Chrome's sandbox to contain potential arbitrary code execution from V8 heap overflows within renderer processes.
MITRE ATT&CK Enterprise TechniquesAI
Why these techniques?
Direct browser RCE via malicious webpage matches drive-by compromise and client-side exploitation techniques.
NVD Description
Out of bounds memory access in V8 in Google Chrome prior to 132.0.6834.83 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page. (Chromium security severity: High)
Deeper analysisAI
CVE-2025-0434 is an out-of-bounds memory access vulnerability in the V8 JavaScript and WebAssembly engine within Google Chrome versions prior to 132.0.6834.83. This flaw, classified under CWE-122 (Heap-based Buffer Overflow), enables potential heap corruption when processing a crafted HTML page. The issue carries a CVSS v3.1 base score of 8.8, rated as High severity by Chromium security standards.
A remote attacker can exploit this vulnerability by tricking a user into visiting a malicious website or opening a crafted HTML page. No privileges are required (PR:N), and the attack is accessible over the network (AV:N) with low complexity (AC:L), though it relies on user interaction (UI:R). Successful exploitation could result in high-impact confidentiality, integrity, and availability violations (C:H/I:H/A:H), potentially allowing arbitrary code execution or sandbox escape within the browser context.
Google's stable channel update for desktop, announced via the Chrome Releases blog, addresses this vulnerability in version 132.0.6834.83 and later. Additional details are tracked in the Chromium issue tracker at issues.chromium.org/issues/374627491. Security practitioners should prioritize updating affected Chrome installations to mitigate the risk.
Details
- CWE(s)