CVE-2026-111497：Google Brotli Unchecked Return Value Vulnerability

Google Brotli contains an unchecked return value vulnerability that allows a remote unauthenticated attacker to corrupt adjacent decoder state memory, disclose sensitive memory contents, cause a denial of service, or potentially execute arbitrary code using a crafted Brotli-compressed stream.

漏洞信息

• CVE 编号：CVE-2026-111497
• 厂商 / 产品：Google / Brotli
• 加入 KEV 时间：2026-10-27
• 修复期限：2026-11-10
• 勒索软件利用：暂未发现

处置建议

Apply mitigations in accordance with vendor instructions, ensuring compliance with CISA’s BOD 26-04 Prioritizing Security Updates Based on Risk (see URL in Notes) guidance and CISA’s “Forensics Triage Requirements” (see URL in Notes). Follow applicable BOD 26-04 guidance for cloud services or discontinue use of the product if mitigations are unavailable. Stakeholders are responsible for evaluating each asset's internet exposure and ensuring adherence to BOD 26-04 patching guidelines.

弱点类型

CWE-252、CWE-787

参考链接

• NVD 漏洞详情
• CISA 已知被利用漏洞目录

该漏洞已被 CISA 确认在野利用，请优先处置。

原文链接： CVE-2026-111497：Google Brotli Unchecked Return Value Vulnerability