CVE-2026-17971 in Chrome
Summary
by MITRE • 07/30/2026
Inappropriate implementation in Frame in Google Chrome prior to 151.0.7922.72 allowed a remote attacker to potentially perform out of bounds memory access via a crafted HTML page. (Chromium security severity: Low)
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Analysis
by VulDB Data Team • 07/30/2026
This vulnerability represents an improper memory handling issue within the frame rendering component of google chrome browser versions prior to 151.0.7922.72. The flaw manifests as an out of bounds memory access condition that occurs when processing specially crafted html content, specifically within the frame element implementation. Such vulnerabilities typically arise from inadequate input validation or buffer management during the parsing and rendering of web content where the browser fails to properly bounds-check memory allocations when handling frame elements. The technical nature of this issue places it under the category of memory corruption vulnerabilities that can potentially be exploited by remote attackers without user interaction.
The operational impact of this vulnerability extends beyond simple memory access violations as it creates potential pathways for more severe exploitation techniques including arbitrary code execution or privilege escalation. When a remote attacker successfully triggers this condition through a malicious html page, they may be able to manipulate memory locations outside the intended bounds of frame processing operations. This type of vulnerability falls under CWE-129 which specifically addresses insufficient bounds checking and can potentially enable attackers to corrupt memory structures that govern browser functionality. The low severity classification from chromium security team indicates the direct exploitability may be limited, but the underlying memory corruption mechanism presents significant risk for potential abuse in combination with other vulnerabilities.
From an attack perspective this vulnerability aligns with ATT&CK technique T1059 where adversaries leverage browser-based exploits to execute malicious code on target systems. The remote nature of the attack means that users need not interact directly with malicious content, as simply visiting a compromised webpage could trigger the exploit. This makes it particularly dangerous in phishing campaigns or compromised websites where attackers can leverage the vulnerability without requiring user consent or interaction. The frame element specifically targets the browser's capability to properly handle nested document structures and cross-domain communication which are fundamental components of modern web browsing.
The remediation approach for this vulnerability requires immediate deployment of chrome version 151.0.7922.72 or later where the memory bounds checking has been properly implemented in the frame processing logic. Organizations should prioritize patch management to ensure all affected systems receive the update promptly, as the vulnerability exists in a widely used browser component that presents minimal barriers for exploitation. Additional defensive measures can include implementing browser security policies such as content security policy headers and restricting access to potentially malicious domains through network level controls. The vulnerability demonstrates the critical importance of thorough memory validation in web browser implementations where even seemingly minor components like frame handling can introduce significant security risks when not properly bounded.
This particular vulnerability exemplifies the ongoing challenges in browser security where complex rendering engines must handle vast amounts of untrusted input while maintaining memory safety guarantees. The issue highlights the need for comprehensive testing including fuzzing and memory validation techniques during browser development cycles to prevent such out of bounds access conditions from reaching production environments. Organizations should maintain awareness of chromium security advisories and implement automated patching mechanisms to reduce exposure windows for known vulnerabilities. The low severity classification does not diminish the importance of addressing this issue promptly given that web browsers represent prime targets for exploitation due to their broad attack surface and the high privileges they operate with in user environments.