CVE-2026-15114 in Chrome
Summary
by MITRE • 07/09/2026
Out of bounds read and write in Codecs in Google Chrome prior to 150.0.7871.115 allowed a remote attacker to potentially exploit heap corruption via a crafted video file. (Chromium security severity: High)
If you want to get the best quality for vulnerability data then you always have to consider VulDB.
Analysis
by VulDB Data Team • 07/09/2026
This vulnerability represents a critical heap corruption issue affecting google chrome's codecs implementation prior to version 150.0.7871.115. The flaw manifests as out-of-bounds read and write operations within the multimedia processing components that handle video file decoding. Such vulnerabilities typically arise from insufficient input validation and memory management errors in complex media processing libraries that decode various video formats including but not limited to mp4, webm, and other container formats. The root cause lies in the codecs subsystem's failure to properly bounds-check array accesses when processing crafted malicious video files, leading to unauthorized memory access patterns that can be exploited by remote attackers.
The technical impact of this vulnerability spans multiple attack vectors within the chromium security model as outlined by the attack pattern taxonomy. This issue maps directly to common weakness enumeration 129 which covers insufficient runtime validation of array indices and 787 which addresses out-of-bounds reads and writes. The exploitation potential is particularly severe given that attackers can craft malicious video files that trigger memory corruption during normal playback operations, effectively allowing remote code execution in the context of the chrome browser process. The heap corruption occurs when the codec parser encounters malformed data structures within the video file that cause the decoder to access memory locations beyond allocated buffers.
From an operational standpoint this vulnerability presents a high-severity risk to users who may encounter crafted video content through various attack vectors including malicious websites, email attachments, or compromised streaming services. The remote exploitation capability means that users need not interact directly with malicious files, as simply viewing a webpage containing such content can trigger the exploit. This aligns with the attack technique described in the mitre att&ck framework under initial access and execution phases where adversaries leverage browser-based attacks to establish footholds. The vulnerability affects the core multimedia processing pipeline that handles video decoding, making it particularly dangerous as it can be triggered through routine browsing activities without user awareness.
Mitigation strategies should focus on immediate version updates to chrome 150.0.7871.115 or later where the heap corruption issues have been addressed through improved bounds checking and memory validation mechanisms. Organizations should implement network-level protections such as content filtering solutions that can identify and block suspicious video file patterns before they reach end-user systems. Browser hardening measures including sandboxing enhancements, strict content security policies, and disabling unnecessary multimedia plugins provide additional defense layers. Security teams should also monitor for exploitation attempts through intrusion detection systems by analyzing traffic patterns associated with known malicious video file signatures and implement regular security assessments of web applications that process user-uploaded media content to prevent potential exploitation through upload handlers.