Bollettino del 27 ottobre 2026
CVE-2026-111497: Brotli (Google)
Vulnerabilità già sfruttata in attacchi reali, in Brotli (Google). Tipo: scrittura fuori dai limiti della memoria.
- Sfruttamento
- Sfruttata in attacchi reali (catalogo CISA KEV).
- Scadenza CISA
- Le agenzie federali USA devono correggerla entro il 10 novembre 2026: un buon riferimento anche per voi.
- Tipo di difetto
- CWE-252
CWE-787: scrittura fuori dai limiti della memoria - Pubblicata
- 22 ottobre 2026
Descrizione originale
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.
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.
Fonti
- Scheda NVD
- github.com/andybalholm/brotli/releases/tag/v1.2.7
- nodejs.org/en/blog/vulnerability/october-2026-security-releases#nodejs-brotli-decoder-out-of-bounds-write-permits-remote-code-execution-cve-2026-111497---high
- www.openwall.com/lists/oss-security/2026/10/23/25
- www.openwall.com/lists/oss-security/2026/10/24/6
- www.openwall.com/lists/oss-security/2026/10/26/12
- www.openwall.com/lists/oss-security/2026/10/26/13