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A buffer overflow vulnerability in the Brotli decoder (c/dec/decode.c) in Google Brotli versions 1.0.3…

CVSS 4.0 · [email protected] · Secondary 9.2 CRITICALCVSS 3.1 · [email protected] · Primary 9.8 CRITICALCheck source for fixed versionsKEV status unknown

Historical advisory recorded 12 Nov 2026 01:04:34 UTC. Read the latest advisory.

nvd · CVE-2026-111497

Published

A buffer overflow vulnerability in the Brotli decoder (c/dec/decode.c) in Google Brotli versions 1.0.3 through 1.2.0 on all platforms 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. Users need to update any Brotli libraries or binaries between 1.0.3 through 1.2.0 to the latest available version: 1.0.10 or 1.1.1 or 1.2.1.

Read the publisher's advisory

Affected versions, risk and source history

nvd · CVE-2026-111497

Published

NVD analysis and CPE criteria are source context, not proof that a package or your environment is affected. Complete affected data, logical configurations and SSVC are retained in the original JSON.

Source analysis status: Analyzed

Weakness classifications: CWE-252 · CWE-787

Original publisher date fields

published: 2026-10-22T14:17:37.190

lastModified: 2026-11-10T20:25:59.130

84 source CPE criteria · context only
  • cpe:2.3:a:google:brotli:*:*:*:*:*:-:*:*
  • cpe:2.3:a:nodejs:node.js:*:*:*:*:-:*:*:*
  • cpe:2.3:a:python-hyper:brotlicffi:*:*:*:*:*:python:*:*
  • cpe:2.3:a:microsoft:.net:*:*:*:*:*:*:*:*
  • cpe:2.3:a:microsoft:.net:11.0.0:preview1:*:*:*:*:*:*
  • cpe:2.3:a:microsoft:.net:11.0.0:preview2:*:*:*:*:*:*
  • cpe:2.3:a:microsoft:.net:11.0.0:preview3:*:*:*:*:*:*
  • cpe:2.3:a:microsoft:.net:11.0.0:preview4:*:*:*:*:*:*
  • cpe:2.3:a:microsoft:.net:11.0.0:preview5:*:*:*:*:*:*
  • cpe:2.3:a:microsoft:.net:11.0.0:preview6:*:*:*:*:*:*
  • cpe:2.3:a:microsoft:.net:11.0.0:preview7:*:*:*:*:*:*
  • cpe:2.3:a:microsoft:.net:11.0.0:rc1:*:*:*:*:*:*
  • cpe:2.3:a:microsoft:.net:11.0.0:rc2:*:*:*:*:*:*
  • cpe:2.3:o:debian:debian_linux:12.0:*:*:*:*:*:*:*
  • cpe:2.3:a:istio:istio:*:*:*:*:*:*:*:*
  • cpe:2.3:a:anthropic:bun:*:*:*:*:*:*:*:*
  • cpe:2.3:a:envoyproxy:envoy:*:*:*:*:*:*:*:*
  • cpe:2.3:a:tianocore:edk2:*:*:*:*:*:*:*:*
  • cpe:2.3:a:google:woff2:-:*:*:*:*:*:*:*
  • cpe:2.3:a:duckdb:duckdb:*:*:*:*:*:*:*:*
  • cpe:2.3:a:clickhouse:clickhouse:*:*:*:*:*:*:*:*
  • cpe:2.3:a:apache:arrow:*:*:*:*:*:*:*:*
  • cpe:2.3:a:apache:arrow:27.0.0:dev:*:*:*:*:*:*
  • cpe:2.3:a:mcmilk:7-zip-zstd:*:*:*:*:*:*:*:*
  • cpe:2.3:a:7-zip:p7zip:*:*:*:*:*:*:*:*
  • cpe:2.3:a:andybalholm:brotli:*:*:*:*:*:go:*:*
  • cpe:2.3:o:siemens:ruggedcom_ape1808_firmware:-:*:*:*:*:*:*:*
  • cpe:2.3:h:siemens:ruggedcom_ape1808:-:*:*:*:*:*:*:*
  • cpe:2.3:a:siemens:common_configurator:-:*:*:*:*:*:*:*
  • cpe:2.3:a:siemens:data_flow_monitoring:*:*:*:*:*:*:*:*
  • cpe:2.3:a:siemens:dataxess_configurator:*:*:*:*:*:*:*:*
  • cpe:2.3:a:siemens:edge_opc_ua_server_configurator:*:*:*:*:*:*:*:*
  • cpe:2.3:a:siemens:flow_creator_configurator:*:*:*:*:*:*:*:*
  • cpe:2.3:a:siemens:industrial_edge_cloud_connector_configurator:*:*:*:*:*:*:*:*
  • cpe:2.3:a:siemens:industrial_edge_databus_configurator:*:*:*:*:*:*:*:*
  • cpe:2.3:a:siemens:industrial_edge_hub:-:*:*:*:*:*:*:*
  • cpe:2.3:a:siemens:industrial_edge_management_cloud:-:*:*:*:*:*:*:*
  • cpe:2.3:a:siemens:comos_walkinside:-:*:*:*:*:*:*:*
  • cpe:2.3:a:siemens:simatic_braumat:8.2:update1:*:*:*:*:*:*
  • cpe:2.3:a:siemens:simatic_braumat:8.2:update2:*:*:*:*:*:*
  • cpe:2.3:a:siemens:simatic_braumat:8.2:update3:*:*:*:*:*:*
  • cpe:2.3:a:siemens:simatic_braumat:8.2:update4:*:*:*:*:*:*
  • cpe:2.3:a:siemens:simatic_braumat:8.2:update5:*:*:*:*:*:*
  • cpe:2.3:a:siemens:simatic_profiling_tool:-:*:*:*:*:*:*:*
  • cpe:2.3:a:siemens:simatic_sistar:8.2:update1:*:*:*:*:*:*
  • cpe:2.3:a:siemens:simatic_sistar:8.2:update2:*:*:*:*:*:*
  • cpe:2.3:a:siemens:simatic_sistar:8.2:update3:*:*:*:*:*:*
  • cpe:2.3:a:siemens:simatic_sistar:8.2:update4:*:*:*:*:*:*
  • cpe:2.3:a:siemens:simatic_sistar:8.2:update5:*:*:*:*:*:*
  • cpe:2.3:a:siemens:simatic_wincc:*:*:*:*:*:*:*:*
  • cpe:2.3:a:siemens:simatic_wincc_companion:-:*:*:*:*:-:*:*
  • cpe:2.3:a:siemens:simatic_wincc_runtime:-:*:*:*:professional:*:*:*
  • cpe:2.3:a:siemens:simatic_wincc_unified_for_industrial_edge:-:*:*:*:*:*:*:*
  • cpe:2.3:a:siemens:simatic_wincc_unified_pc_runtime:-:*:*:*:*:*:*:*
  • cpe:2.3:a:siemens:simatic_wincc_unified_siqence:-:*:*:*:*:*:*:*
  • cpe:2.3:a:siemens:tia_administrator:-:*:*:*:*:*:*:*
  • cpe:2.3:a:siemens:tia_project-server_web_administration_tool:-:*:*:*:*:*:*:*
  • cpe:2.3:a:siemens:user_management_component:-:*:*:*:*:*:*:*
  • cpe:2.3:a:siemens:hyperlynx:-:*:*:*:*:*:*:*
  • cpe:2.3:a:siemens:innexis_architecture_native_acceleration:-:*:*:*:*:*:*:*
  • cpe:2.3:a:siemens:insights_hub:-:*:*:*:*:*:*:*
  • cpe:2.3:a:siemens:opcenter_connect_electronics:-:*:*:*:*:*:*:*
  • cpe:2.3:a:siemens:opcenter_connect_manufacturing_operations_management:-:*:*:*:*:*:*:*
  • cpe:2.3:a:siemens:opcenter_execution_core:-:*:*:*:*:*:*:*
  • cpe:2.3:a:siemens:opcenter_execution_discrete:-:*:*:*:*:*:*:*
  • cpe:2.3:a:siemens:opcenter_execution_foundation:-:*:*:*:*:*:*:*
  • cpe:2.3:a:siemens:opcenter_execution_pharma:-:*:*:*:*:*:*:*
  • cpe:2.3:a:siemens:opcenter_execution_process:-:*:*:*:*:*:*:*
  • cpe:2.3:a:siemens:opcenter_intelligence:-:*:*:*:*:*:*:*
  • cpe:2.3:a:siemens:opcenter_quality:-:*:*:*:*:*:*:*
  • cpe:2.3:a:siemens:opcenter_rd\&l:-:*:*:*:*:*:*:*
  • cpe:2.3:a:siemens:opcenter_x:-:*:*:*:*:*:*:*
  • cpe:2.3:a:siemens:pads_professional:-:*:*:*:essentials:*:*:*
  • cpe:2.3:a:siemens:pads_professional:-:*:*:*:student:*:*:*
  • cpe:2.3:a:siemens:pave360_automotive:2026:*:*:*:*:*:*:*
  • cpe:2.3:a:siemens:process_preparation_x:-:*:*:*:-:*:*:*
  • cpe:2.3:a:siemens:simcenter_executable_digital_twin:-:*:*:*:*:*:*:*
  • cpe:2.3:a:siemens:simcenter_studio:-:*:*:*:*:*:*:*
  • cpe:2.3:a:siemens:teamcenter:2412.0:*:*:*:*:*:*:*
  • cpe:2.3:a:siemens:teamcenter:2506.0:*:*:*:*:*:*:*
  • cpe:2.3:a:siemens:teamcenter:2512.0:*:*:*:*:*:*:*
  • cpe:2.3:a:siemens:teamcenter:2606.0:*:*:*:*:*:*:*
  • cpe:2.3:a:siemens:xpedition_designer:-:*:*:*:*:*:*:*
  • cpe:2.3:a:siemens:xpedition_enterprise:-:*:*:*:*:*:*:*

The original JSON retains the logical configuration operators, exclusions and version bounds.

No normalized affected-package data is projected for this source revision. The original publisher record may contain additional product and version evidence; this does not establish that a package is unaffected.

Original source record · Cite this exact observation · Complete original publisher JSON

ChangeIntel

An IT change radar: releases, security, known issues, retirements, documentation changes, and service status from public sources. Every item links to supporting evidence; dates and statuses can change after they are read.

Sources read 12 Nov 17:32 UTC · 274 of 275 readable · 272 fully read · documentation 469/469 current