A SHORTER WAY INTO THE SOURCE
The source, in brief.
This security brief organizes the matching CISA catalog record into a short reading view. The details below describe the catalog entry, not an assessment of your systems.
Abridged primary-source text [2]
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.
This automated digest uses the approved primary record identified below. The excerpt is abridged source text, rather than original reporting or an AI-written paraphrase.
FROM THE PRIMARY RECORD
Key details.
- CVE
- CVE-2026-111497 [2]
- Vendor
- Google [2]
- Product
- Brotli [2]
- CISA required action
- 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. [2]
- Federal agency due date
- 2026-11-10 [2]