Skip to main content
← All vulnerabilities
CVE-2020-8927PYSEC-2020-29BIT-BROTLI-2020-8927BIT-DOTNET-2020-8927BIT-DOTNET-SDK-2020-8927BIT-POWERSHELL-2020-8927GHSA-5V8V-66V8-MWM7GO-2025-3726RUSTSEC-2021-0131RUSTSEC-2021-0132

Buffer overflow in Brotli library

Published
Last modified
published
Not listed in CISA KEV
Fix
Fixed in 1.0.8, 1.0.9, 3.1.23, 5.0.15, 6.0.3
None on Exploit-DB, Metasploit or GitHub
  • Exploitation: none
  • Automatable: yes
  • Technical impact: partial

Summary

A buffer overflow exists in the Brotli library versions prior to 1.0.8 where an attacker controlling the input length of a "one-shot" decompression request to a script can trigger a crash, which happens when copying over chunks of data larger than 2 GiB. It is recommended to update your Brotli library to 1.0.8 or later. If one cannot update, we recommend to use the "streaming" API as opposed to the "one-shot" API, and impose chunk size limits.

Timeline

  1. CVE published
  2. CISA SSVC assessment

    Exploitation: none · Automatable: yes · Technical impact: partial

  3. Record last updated

Affected versions

  • Google LLC Brotli

    From stable · through 1.0.7

  • brotliPyPI

    fixed in 1.0.8

  • compu-brotli-syscrates.io

    fixed in 1.0.9

  • Microsoft.NETCore.App.Runtime.linux-armNuGet

    From 3.0.0 · fixed in 3.1.23

  • Microsoft.NETCore.App.Runtime.linux-arm64NuGet

    From 3.0.0 · fixed in 3.1.23

  • Microsoft.NETCore.App.Runtime.linux-musl-arm64NuGet

    From 3.0.0 · fixed in 3.1.23

  • Microsoft.NETCore.App.Runtime.linux-x64NuGet

    From 3.0.0 · fixed in 3.1.23

  • Microsoft.NETCore.App.Runtime.osx-x64NuGet

    From 3.0.0 · fixed in 3.1.23

  • Microsoft.NETCore.App.Runtime.win-armNuGet

    From 3.0.0 · fixed in 3.1.23

  • Microsoft.NETCore.App.Runtime.win-arm64NuGet

    From 3.0.0 · fixed in 3.1.23

  • Microsoft.NETCore.App.Runtime.win-x64NuGet

    From 3.0.0 · fixed in 3.1.23

  • Microsoft.NETCore.App.Runtime.win-x86NuGet

    From 3.0.0 · fixed in 3.1.23

  • Microsoft.NETCore.App.Runtime.Mono.LLVM.AOT.linux-arm64NuGet

    From 5.0.0 · fixed in 5.0.15

  • Microsoft.NETCore.App.Runtime.Mono.LLVM.AOT.linux-x64NuGet

    From 5.0.0 · fixed in 5.0.15

  • Microsoft.NETCore.App.Runtime.Mono.LLVM.AOT.osx-x64NuGet

    From 5.0.0 · fixed in 5.0.15

  • Microsoft.NETCore.App.Runtime.Mono.LLVM.linux-arm64NuGet

    From 5.0.0 · fixed in 5.0.15

  • Microsoft.NETCore.App.Runtime.Mono.LLVM.linux-x64NuGet

    From 5.0.0 · fixed in 5.0.15

  • Microsoft.NETCore.App.Runtime.Mono.LLVM.osx-x64NuGet

    From 5.0.0 · fixed in 5.0.15

  • Microsoft.NETCore.App.Runtime.Mono.linux-armNuGet

    From 5.0.0 · fixed in 5.0.15

  • Microsoft.NETCore.App.Runtime.Mono.linux-arm64NuGet

    From 5.0.0 · fixed in 5.0.15

  • Microsoft.NETCore.App.Runtime.Mono.linux-musl-x64NuGet

    From 5.0.0 · fixed in 5.0.15

  • Microsoft.NETCore.App.Runtime.Mono.linux-x64NuGet

    From 5.0.0 · fixed in 5.0.15

  • Microsoft.NETCore.App.Runtime.Mono.osx-x64NuGet

    From 5.0.0 · fixed in 5.0.15

  • Microsoft.NETCore.App.Runtime.browser-wasmNuGet

    From 5.0.0 · fixed in 5.0.15

  • Microsoft.NETCore.App.Runtime.linux-armNuGet

    From 5.0.0 · fixed in 5.0.15

  • Microsoft.NETCore.App.Runtime.linux-arm64NuGet

    From 5.0.0 · fixed in 5.0.15

  • Microsoft.NETCore.App.Runtime.linux-musl-armNuGet

    From 5.0.0 · fixed in 5.0.15

  • Microsoft.NETCore.App.Runtime.linux-musl-arm64NuGet

    From 5.0.0 · fixed in 5.0.15

  • Microsoft.NETCore.App.Runtime.linux-musl-x64NuGet

    From 5.0.0 · fixed in 5.0.15

  • Microsoft.NETCore.App.Runtime.linux-x64NuGet

    From 5.0.0 · fixed in 5.0.15

  • Microsoft.NETCore.App.Runtime.osx-x64NuGet

    From 5.0.0 · fixed in 5.0.15

  • Microsoft.NETCore.App.Runtime.win-armNuGet

    From 5.0.0 · fixed in 5.0.15

  • Microsoft.NETCore.App.Runtime.win-arm64NuGet

    From 5.0.0 · fixed in 5.0.15

  • Microsoft.NETCore.App.Runtime.win-x64NuGet

    From 5.0.0 · fixed in 5.0.15

  • Microsoft.NETCore.App.Runtime.win-x86NuGet

    From 5.0.0 · fixed in 5.0.15

  • Microsoft.NETCore.App.Runtime.AOT.linux-x64.Cross.android-armNuGet

    From 6.0.0 · fixed in 6.0.3

  • Microsoft.NETCore.App.Runtime.AOT.linux-x64.Cross.android-arm64NuGet

    From 6.0.0 · fixed in 6.0.3

  • Microsoft.NETCore.App.Runtime.AOT.linux-x64.Cross.android-x64NuGet

    From 6.0.0 · fixed in 6.0.3

  • Microsoft.NETCore.App.Runtime.AOT.linux-x64.Cross.android-x86NuGet

    From 6.0.0 · fixed in 6.0.3

  • Microsoft.NETCore.App.Runtime.AOT.linux-x64.Cross.browser-wasmNuGet

    From 6.0.0 · fixed in 6.0.3

  • Microsoft.NETCore.App.Runtime.AOT.osx-x64.Cross.android-armNuGet

    From 6.0.0 · fixed in 6.0.3

  • Microsoft.NETCore.App.Runtime.AOT.osx-x64.Cross.android-arm64NuGet

    From 6.0.0 · fixed in 6.0.3

  • Microsoft.NETCore.App.Runtime.AOT.osx-x64.Cross.android-x64NuGet

    From 6.0.0 · fixed in 6.0.3

  • Microsoft.NETCore.App.Runtime.AOT.osx-x64.Cross.android-x86NuGet

    From 6.0.0 · fixed in 6.0.3

  • Microsoft.NETCore.App.Runtime.AOT.osx-x64.Cross.browser-wasmNuGet

    From 6.0.0 · fixed in 6.0.3

  • Microsoft.NETCore.App.Runtime.AOT.osx-x64.Cross.ios-armNuGet

    From 6.0.0 · fixed in 6.0.3

  • Microsoft.NETCore.App.Runtime.AOT.osx-x64.Cross.ios-arm64NuGet

    From 6.0.0 · fixed in 6.0.3

  • Microsoft.NETCore.App.Runtime.AOT.osx-x64.Cross.iossimulator-arm64NuGet

    From 6.0.0 · fixed in 6.0.3

  • Microsoft.NETCore.App.Runtime.AOT.osx-x64.Cross.iossimulator-x64NuGet

    From 6.0.0 · fixed in 6.0.3

  • Microsoft.NETCore.App.Runtime.AOT.osx-x64.Cross.iossimulator-x86NuGet

    From 6.0.0 · fixed in 6.0.3

  • Microsoft.NETCore.App.Runtime.AOT.osx-x64.Cross.maccatalyst-arm64NuGet

    From 6.0.0 · fixed in 6.0.3

  • Microsoft.NETCore.App.Runtime.AOT.osx-x64.Cross.maccatalyst-x64NuGet

    From 6.0.0 · fixed in 6.0.3

  • Microsoft.NETCore.App.Runtime.AOT.osx-x64.Cross.tvos-arm64NuGet

    From 6.0.0 · fixed in 6.0.3

  • Microsoft.NETCore.App.Runtime.AOT.osx-x64.Cross.tvossimulator-arm64NuGet

    From 6.0.0 · fixed in 6.0.3

  • Microsoft.NETCore.App.Runtime.AOT.osx-x64.Cross.tvossimulator-x64NuGet

    From 6.0.0 · fixed in 6.0.3

  • Microsoft.NETCore.App.Runtime.AOT.win-x64.Cross.android-armNuGet

    From 6.0.0 · fixed in 6.0.3

  • Microsoft.NETCore.App.Runtime.AOT.win-x64.Cross.android-arm.Msi.x64NuGet

    From 6.0.0 · fixed in 6.0.3

  • Microsoft.NETCore.App.Runtime.AOT.win-x64.Cross.android-arm64NuGet

    From 6.0.0 · fixed in 6.0.3

  • Microsoft.NETCore.App.Runtime.AOT.win-x64.Cross.android-arm64.Msi.x64NuGet

    From 6.0.0 · fixed in 6.0.3

  • Microsoft.NETCore.App.Runtime.AOT.win-x64.Cross.android-x64NuGet

    From 6.0.0 · fixed in 6.0.3

  • Microsoft.NETCore.App.Runtime.AOT.win-x64.Cross.android-x64.Msi.x64NuGet

    From 6.0.0 · fixed in 6.0.3

  • Microsoft.NETCore.App.Runtime.AOT.win-x64.Cross.android-x86NuGet

    From 6.0.0 · fixed in 6.0.3

  • Microsoft.NETCore.App.Runtime.AOT.win-x64.Cross.android-x86.Msi.x64NuGet

    From 6.0.0 · fixed in 6.0.3

  • Microsoft.NETCore.App.Runtime.AOT.win-x64.Cross.browser-wasmNuGet

    From 6.0.0 · fixed in 6.0.3

  • Microsoft.NETCore.App.Runtime.AOT.win-x64.Cross.browser-wasm.Msi.x64NuGet

    From 6.0.0 · fixed in 6.0.3

  • Microsoft.NETCore.App.Runtime.Mono.LLVM.AOT.linux-arm64NuGet

    From 6.0.0 · fixed in 6.0.3

  • Microsoft.NETCore.App.Runtime.Mono.LLVM.AOT.linux-x64NuGet

    From 6.0.0 · fixed in 6.0.3

  • Microsoft.NETCore.App.Runtime.Mono.LLVM.AOT.osx-x64NuGet

    From 6.0.0 · fixed in 6.0.3

  • Microsoft.NETCore.App.Runtime.Mono.LLVM.linux-arm64NuGet

    From 6.0.0 · fixed in 6.0.3

  • Microsoft.NETCore.App.Runtime.Mono.LLVM.linux-x64NuGet

    From 6.0.0 · fixed in 6.0.3

  • Microsoft.NETCore.App.Runtime.Mono.LLVM.osx-x64NuGet

    From 6.0.0 · fixed in 6.0.3

  • Microsoft.NETCore.App.Runtime.Mono.android-armNuGet

    From 6.0.0 · fixed in 6.0.3

  • Microsoft.NETCore.App.Runtime.Mono.android-arm.Msi.arm64NuGet

    From 6.0.0 · fixed in 6.0.3

  • Microsoft.NETCore.App.Runtime.Mono.android-arm.Msi.x64NuGet

    From 6.0.0 · fixed in 6.0.3

  • Microsoft.NETCore.App.Runtime.Mono.android-arm.Msi.x86NuGet

    From 6.0.0 · fixed in 6.0.3

  • Microsoft.NETCore.App.Runtime.Mono.android-arm64NuGet

    From 6.0.0 · fixed in 6.0.3

  • Microsoft.NETCore.App.Runtime.Mono.android-arm64.Msi.arm64NuGet

    From 6.0.0 · fixed in 6.0.3

  • Microsoft.NETCore.App.Runtime.Mono.android-arm64.Msi.x64NuGet

    From 6.0.0 · fixed in 6.0.3

  • Microsoft.NETCore.App.Runtime.Mono.android-arm64.Msi.x86NuGet

    From 6.0.0 · fixed in 6.0.3

  • Microsoft.NETCore.App.Runtime.Mono.android-x64NuGet

    From 6.0.0 · fixed in 6.0.3

  • Microsoft.NETCore.App.Runtime.Mono.android-x64.Msi.arm64NuGet

    From 6.0.0 · fixed in 6.0.3

  • Microsoft.NETCore.App.Runtime.Mono.android-x64.Msi.x64NuGet

    From 6.0.0 · fixed in 6.0.3

  • Microsoft.NETCore.App.Runtime.Mono.android-x64.Msi.x86NuGet

    From 6.0.0 · fixed in 6.0.3

  • Microsoft.NETCore.App.Runtime.Mono.android-x86NuGet

    From 6.0.0 · fixed in 6.0.3

  • Microsoft.NETCore.App.Runtime.Mono.android-x86.Msi.arm64NuGet

    From 6.0.0 · fixed in 6.0.3

  • Microsoft.NETCore.App.Runtime.Mono.android-x86.Msi.x64NuGet

    From 6.0.0 · fixed in 6.0.3

  • Microsoft.NETCore.App.Runtime.Mono.android-x86.Msi.x86NuGet

    From 6.0.0 · fixed in 6.0.3

  • Microsoft.NETCore.App.Runtime.Mono.browser-wasmNuGet

    From 6.0.0 · fixed in 6.0.3

  • Microsoft.NETCore.App.Runtime.Mono.browser-wasm.Msi.arm64NuGet

    From 6.0.0 · fixed in 6.0.3

  • Microsoft.NETCore.App.Runtime.Mono.browser-wasm.Msi.x64NuGet

    From 6.0.0 · fixed in 6.0.3

  • Microsoft.NETCore.App.Runtime.Mono.browser-wasm.Msi.x86NuGet

    From 6.0.0 · fixed in 6.0.3

  • Microsoft.NETCore.App.Runtime.Mono.ios-armNuGet

    From 6.0.0 · fixed in 6.0.3

  • Microsoft.NETCore.App.Runtime.Mono.ios-arm.Msi.arm64NuGet

    From 6.0.0 · fixed in 6.0.3

  • Microsoft.NETCore.App.Runtime.Mono.ios-arm.Msi.x86NuGet

    From 6.0.0 · fixed in 6.0.3

  • Microsoft.NETCore.App.Runtime.Mono.ios-arm64NuGet

    From 6.0.0 · fixed in 6.0.3

  • Microsoft.NETCore.App.Runtime.Mono.ios-arm64.Msi.arm64NuGet

    From 6.0.0 · fixed in 6.0.3

  • Microsoft.NETCore.App.Runtime.Mono.ios-arm64.Msi.x64NuGet

    From 6.0.0 · fixed in 6.0.3

  • Microsoft.NETCore.App.Runtime.Mono.ios-arm64.Msi.x86NuGet

    From 6.0.0 · fixed in 6.0.3

  • Microsoft.NETCore.App.Runtime.Mono.iossimulator-arm64NuGet

    From 6.0.0 · fixed in 6.0.3

  • Microsoft.NETCore.App.Runtime.Mono.iossimulator-arm64.Msi.arm64NuGet

    From 6.0.0 · fixed in 6.0.3

  • Microsoft.NETCore.App.Runtime.Mono.iossimulator-arm64.Msi.x64NuGet

    From 6.0.0 · fixed in 6.0.3

  • Microsoft.NETCore.App.Runtime.Mono.iossimulator-arm64.Msi.x86NuGet

    From 6.0.0 · fixed in 6.0.3

  • Microsoft.NETCore.App.Runtime.Mono.iossimulator-x64NuGet

    From 6.0.0 · fixed in 6.0.3

  • Microsoft.NETCore.App.Runtime.Mono.iossimulator-x64.Msi.arm64NuGet

    From 6.0.0 · fixed in 6.0.3

  • Microsoft.NETCore.App.Runtime.Mono.iossimulator-x64.Msi.x64NuGet

    From 6.0.0 · fixed in 6.0.3

  • Microsoft.NETCore.App.Runtime.Mono.iossimulator-x64.Msi.x86NuGet

    From 6.0.0 · fixed in 6.0.3

  • Microsoft.NETCore.App.Runtime.Mono.iossimulator-x86NuGet

    From 6.0.0 · fixed in 6.0.3

  • Microsoft.NETCore.App.Runtime.Mono.iossimulator-x86.Msi.arm64NuGet

    From 6.0.0 · fixed in 6.0.3

  • Microsoft.NETCore.App.Runtime.Mono.iossimulator-x86.Msi.x64NuGet

    From 6.0.0 · fixed in 6.0.3

  • Microsoft.NETCore.App.Runtime.Mono.iossimulator-x86.Msi.x86NuGet

    From 6.0.0 · fixed in 6.0.3

  • Microsoft.NETCore.App.Runtime.Mono.linux-armNuGet

    From 6.0.0 · fixed in 6.0.3

  • Microsoft.NETCore.App.Runtime.Mono.linux-arm64NuGet

    From 6.0.0 · fixed in 6.0.3

  • Microsoft.NETCore.App.Runtime.Mono.linux-musl-x64NuGet

    From 6.0.0 · fixed in 6.0.3

  • Microsoft.NETCore.App.Runtime.Mono.linux-x64NuGet

    From 6.0.0 · fixed in 6.0.3

  • Microsoft.NETCore.App.Runtime.Mono.maccatalyst-arm64NuGet

    From 6.0.0 · fixed in 6.0.3

  • Microsoft.NETCore.App.Runtime.Mono.maccatalyst-arm64.Msi.arm64NuGet

    From 6.0.0 · fixed in 6.0.3

  • Microsoft.NETCore.App.Runtime.Mono.maccatalyst-arm64.Msi.x64NuGet

    From 6.0.0 · fixed in 6.0.3

  • Microsoft.NETCore.App.Runtime.Mono.maccatalyst-arm64.Msi.x86NuGet

    From 6.0.0 · fixed in 6.0.3

  • Microsoft.NETCore.App.Runtime.Mono.maccatalyst-x64NuGet

    From 6.0.0 · fixed in 6.0.3

  • Microsoft.NETCore.App.Runtime.Mono.maccatalyst-x64.Msi.arm64NuGet

    From 6.0.0 · fixed in 6.0.3

  • Microsoft.NETCore.App.Runtime.Mono.maccatalyst-x64.Msi.x64NuGet

    From 6.0.0 · fixed in 6.0.3

  • Microsoft.NETCore.App.Runtime.Mono.maccatalyst-x64.Msi.x86NuGet

    From 6.0.0 · fixed in 6.0.3

  • Microsoft.NETCore.App.Runtime.Mono.osx-arm64NuGet

    From 6.0.0 · fixed in 6.0.3

  • Microsoft.NETCore.App.Runtime.Mono.osx-x64NuGet

    From 6.0.0 · fixed in 6.0.3

  • Microsoft.NETCore.App.Runtime.Mono.tvos-arm64NuGet

    From 6.0.0 · fixed in 6.0.3

  • Microsoft.NETCore.App.Runtime.Mono.tvos-arm64.Msi.arm64NuGet

    From 6.0.0 · fixed in 6.0.3

  • Microsoft.NETCore.App.Runtime.Mono.tvos-arm64.Msi.x64NuGet

    From 6.0.0 · fixed in 6.0.3

  • Microsoft.NETCore.App.Runtime.Mono.tvos-arm64.Msi.x86NuGet

    From 6.0.0 · fixed in 6.0.3

  • Microsoft.NETCore.App.Runtime.Mono.tvossimulator-arm64NuGet

    From 6.0.0 · fixed in 6.0.3

  • Microsoft.NETCore.App.Runtime.Mono.tvossimulator-arm64.Msi.arm64NuGet

    From 6.0.0 · fixed in 6.0.3

  • Microsoft.NETCore.App.Runtime.Mono.tvossimulator-arm64.Msi.x64NuGet

    From 6.0.0 · fixed in 6.0.3

  • Microsoft.NETCore.App.Runtime.Mono.tvossimulator-arm64.Msi.x86NuGet

    From 6.0.0 · fixed in 6.0.3

  • Microsoft.NETCore.App.Runtime.Mono.tvossimulator-x64NuGet

    From 6.0.0 · fixed in 6.0.3

  • Microsoft.NETCore.App.Runtime.Mono.tvossimulator-x64.Msi.arm64NuGet

    From 6.0.0 · fixed in 6.0.3

  • Microsoft.NETCore.App.Runtime.Mono.tvossimulator-x64.Msi.x64NuGet

    From 6.0.0 · fixed in 6.0.3

  • Microsoft.NETCore.App.Runtime.Mono.tvossimulator-x64.Msi.x86NuGet

    From 6.0.0 · fixed in 6.0.3

  • Microsoft.NETCore.App.Runtime.Mono.win-x64NuGet

    From 6.0.0 · fixed in 6.0.3

  • Microsoft.NETCore.App.Runtime.Mono.win-x86NuGet

    From 6.0.0 · fixed in 6.0.3

  • Microsoft.NETCore.App.Runtime.linux-armNuGet

    From 6.0.0 · fixed in 6.0.3

  • Microsoft.NETCore.App.Runtime.linux-arm64NuGet

    From 6.0.0 · fixed in 6.0.3

  • Microsoft.NETCore.App.Runtime.linux-musl-armNuGet

    From 6.0.0 · fixed in 6.0.3

  • Microsoft.NETCore.App.Runtime.linux-musl-arm64NuGet

    From 6.0.0 · fixed in 6.0.3

  • Microsoft.NETCore.App.Runtime.linux-musl-x64NuGet

    From 6.0.0 · fixed in 6.0.3

  • Microsoft.NETCore.App.Runtime.linux-x64NuGet

    From 6.0.0 · fixed in 6.0.3

  • Microsoft.NETCore.App.Runtime.osx-arm64NuGet

    From 6.0.0 · fixed in 6.0.3

  • Microsoft.NETCore.App.Runtime.osx-x64NuGet

    From 6.0.0 · fixed in 6.0.3

  • Microsoft.NETCore.App.Runtime.win-armNuGet

    From 6.0.0 · fixed in 6.0.3

  • Microsoft.NETCore.App.Runtime.win-arm64NuGet

    From 6.0.0 · fixed in 6.0.3

  • Microsoft.NETCore.App.Runtime.win-x64NuGet

    From 6.0.0 · fixed in 6.0.3

  • Microsoft.NETCore.App.Runtime.win-x86NuGet

    From 6.0.0 · fixed in 6.0.3

  • github.com/google/brotliGo

    All versions

  • compu-brotli-syscrates.io

    From 0.0.0-0 · fixed in 1.0.9

  • brotli-syscrates.io

    From 0.0.0-0

References 14

GitHub · google/brotli

lists.opensuse.org

lists.fedoraproject.org

usn.ubuntu.com

lists.debian.org

debian.org