PT-2026-113050 · Microsoft · Asp.Net Core

CVE-2026-96236

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Published

2026-10-13

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Updated

2026-10-13

CVSS v3.1

7.5

High

VectorAV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Name of the Vulnerable Software and Affected Versions Microsoft.AspNetCore.App.Runtime.linux-arm versions 8.0.0 through 8.0.31 Microsoft.AspNetCore.App.Runtime.linux-arm64 versions 8.0.0 through 8.0.31 Microsoft.AspNetCore.App.Runtime.linux-musl-arm versions 8.0.0 through 8.0.31 Microsoft.AspNetCore.App.Runtime.linux-musl-arm64 versions 8.0.0 through 8.0.31 Microsoft.AspNetCore.App.Runtime.linux-musl-x64 versions 8.0.0 through 8.0.31 Microsoft.AspNetCore.App.Runtime.linux-x64 versions 8.0.0 through 8.0.31 Microsoft.AspNetCore.App.Runtime.osx-arm64 versions 8.0.0 through 8.0.31 Microsoft.AspNetCore.App.Runtime.osx-x64 versions 8.0.0 through 8.0.31 Microsoft.AspNetCore.App.Runtime.win-arm versions 8.0.0 through 8.0.31 Microsoft.AspNetCore.App.Runtime.win-arm64 versions 8.0.0 through 8.0.31 Microsoft.AspNetCore.App.Runtime.win-x64 versions 8.0.0 through 8.0.31 Microsoft.AspNetCore.App.Runtime.win-x86 versions 8.0.0 through 8.0.31 Microsoft.AspNetCore.App.Runtime.linux-arm versions 11.0.0-preview.1 through 11.0.0-rc.1 Microsoft.AspNetCore.App.Runtime.linux-arm64 versions 11.0.0-preview.1 through 11.0.0-rc.1 Microsoft.AspNetCore.App.Runtime.linux-musl-arm versions 11.0.0-preview.1 through 11.0.0-rc.1 Microsoft.AspNetCore.App.Runtime.linux-musl-arm64 versions 11.0.0-preview.1 through 11.0.0-rc.1 Microsoft.AspNetCore.App.Runtime.linux-musl-x64 versions 11.0.0-preview.1 through 11.0.0-rc.1 Microsoft.AspNetCore.App.Runtime.linux-x64 versions 11.0.0-preview.1 through 11.0.0-rc.1 Microsoft.AspNetCore.App.Runtime.osx-arm64 versions 11.0.0-preview.1 through 11.0.0-rc.1 Microsoft.AspNetCore.App.Runtime.osx-x64 versions 11.0.0-preview.1 through 11.0.0-rc.1 Microsoft.AspNetCore.App.Runtime.win-arm versions 11.0.0-preview.1 through 11.0.0-rc.1 Microsoft.AspNetCore.App.Runtime.win-arm64 versions 11.0.0-preview.1 through 11.0.0-rc.1 Microsoft.AspNetCore.App.Runtime.win-x64 versions 11.0.0-preview.1 through 11.0.0-rc.1 Microsoft.AspNetCore.App.Runtime.win-x86 versions 11.0.0-preview.1 through 11.0.0-rc.1 Microsoft.AspNetCore.App.Runtime.linux-arm versions 10.0.0 through 10.0.12 Microsoft.AspNetCore.App.Runtime.linux-arm64 versions 10.0.0 through 10.0.12 Microsoft.AspNetCore.App.Runtime.linux-musl-arm versions 10.0.0 through 10.0.12 Microsoft.AspNetCore.App.Runtime.linux-musl-arm64 versions 10.0.0 through 10.0.12 Microsoft.AspNetCore.App.Runtime.linux-musl-x64 versions 10.0.0 through 10.0.12 Microsoft.AspNetCore.App.Runtime.linux-x64 versions 10.0.0 through 10.0.12 Microsoft.AspNetCore.App.Runtime.osx-arm64 versions 10.0.0 through 10.0.12 Microsoft.AspNetCore.App.Runtime.osx-x64 versions 10.0.0 through 10.0.12 Microsoft.AspNetCore.App.Runtime.win-arm versions 10.0.0 through 10.0.12 Microsoft.AspNetCore.App.Runtime.win-arm64 versions 10.0.0 through 10.0.12 Microsoft.AspNetCore.App.Runtime.win-x64 versions 10.0.0 through 10.0.12 Microsoft.AspNetCore.App.Runtime.win-x86 versions 10.0.0 through 10.0.12 Microsoft.AspNetCore.App.Runtime.linux-arm versions 9.0.0 through 9.0.20 Microsoft.AspNetCore.App.Runtime.linux-arm64 versions 9.0.0 through 9.0.20 Microsoft.AspNetCore.App.Runtime.linux-musl-arm versions 9.0.0 through 9.0.20 Microsoft.AspNetCore.App.Runtime.linux-musl-arm64 versions 9.0.0 through 9.0.20 Microsoft.AspNetCore.App.Runtime.linux-musl-x64 versions 9.0.0 through 9.0.20 Microsoft.AspNetCore.App.Runtime.linux-x64 versions 9.0.0 through 9.0.20 Microsoft.AspNetCore.App.Runtime.osx-arm64 versions 9.0.0 through 9.0.20 Microsoft.AspNetCore.App.Runtime.osx-x64 versions 9.0.0 through 9.0.20 Microsoft.AspNetCore.App.Runtime.win-arm versions 9.0.0 through 9.0.20 Microsoft.AspNetCore.App.Runtime.win-arm64 versions 9.0.0 through 9.0.20 Microsoft.AspNetCore.App.Runtime.win-x64 versions 9.0.0 through 9.0.20 Microsoft.AspNetCore.App.Runtime.win-x86 versions 9.0.0 through 9.0.20
Description ASP.NET Core request-localization fallback allows unauthenticated attackers to add synthetic culture names to the runtime's global cache. This leads to unbounded memory growth and a denial of service over a network due to the allocation of resources without limits or throttling.
Recommendations Update Microsoft.AspNetCore.App.Runtime.linux-arm versions 8.0.0 through 8.0.31 to version 8.0.32 Update Microsoft.AspNetCore.App.Runtime.linux-arm64 versions 8.0.0 through 8.0.31 to version 8.0.32 Update Microsoft.AspNetCore.App.Runtime.linux-musl-arm versions 8.0.0 through 8.0.31 to version 8.0.32 Update Microsoft.AspNetCore.App.Runtime.linux-musl-arm64 versions 8.0.0 through 8.0.31 to version 8.0.32 Update Microsoft.AspNetCore.App.Runtime.linux-musl-x64 versions 8.0.0 through 8.0.31 to version 8.0.32 Update Microsoft.AspNetCore.App.Runtime.linux-x64 versions 8.0.0 through 8.0.31 to version 8.0.32 Update Microsoft.AspNetCore.App.Runtime.osx-arm64 versions 8.0.0 through 8.0.31 to version 8.0.32 Update Microsoft.AspNetCore.App.Runtime.osx-x64 versions 8.0.0 through 8.0.31 to version 8.0.32 Update Microsoft.AspNetCore.App.Runtime.win-arm versions 8.0.0 through 8.0.31 to version 8.0.32 Update Microsoft.AspNetCore.App.Runtime.win-arm64 versions 8.0.0 through 8.0.31 to version 8.0.32 Update Microsoft.AspNetCore.App.Runtime.win-x64 versions 8.0.0 through 8.0.31 to version 8.0.32 Update Microsoft.AspNetCore.App.Runtime.win-x86 versions 8.0.0 through 8.0.31 to version 8.0.32 Update Microsoft.AspNetCore.App.Runtime.linux-arm versions 11.0.0-preview.1 through 11.0.0-rc.1 to version 11.0.0-rc.2 Update Microsoft.AspNetCore.App.Runtime.linux-arm64 versions 11.0.0-preview.1 through 11.0.0-rc.1 to version 11.0.0-rc.2 Update Microsoft.AspNetCore.App.Runtime.linux-musl-arm versions 11.0.0-preview.1 through 11.0.0-rc.1 to version 11.0.0-rc.2 Update Microsoft.AspNetCore.App.Runtime.linux-musl-arm64 versions 11.0.0-preview.1 through 11.0.0-rc.1 to version 11.0.0-rc.2 Update Microsoft.AspNetCore.App.Runtime.linux-musl-x64 versions 11.0.0-preview.1 through 11.0.0-rc.1 to version 11.0.0-rc.2 Update Microsoft.AspNetCore.App.Runtime.linux-x64 versions 11.0.0-preview.1 through 11.0.0-rc.1 to version 11.0.0-rc.2 Update Microsoft.AspNetCore.App.Runtime.osx-arm64 versions 11.0.0-preview.1 through 11.0.0-rc.1 to version 11.0.0-rc.2 Update Microsoft.AspNetCore.App.Runtime.osx-x64 versions 11.0.0-preview.1 through 11.0.0-rc.1 to version 11.0.0-rc.2 Update Microsoft.AspNetCore.App.Runtime.win-arm versions 11.0.0-preview.1 through 11.0.0-rc.1 to version 11.0.0-rc.2 Update Microsoft.AspNetCore.App.Runtime.win-arm64 versions 11.0.0-preview.1 through 11.0.0-rc.1 to version 11.0.0-rc.2 Update Microsoft.AspNetCore.App.Runtime.win-x64 versions 11.0.0-preview.1 through 11.0.0-rc.1 to version 11.0.0-rc.2 Update Microsoft.AspNetCore.App.Runtime.win-x86 versions 11.0.0-preview.1 through 11.0.0-rc.1 to version 11.0.0-rc.2 Update Microsoft.AspNetCore.App.Runtime.linux-arm versions 10.0.0 through 10.0.12 to version 10.0.13 Update Microsoft.AspNetCore.App.Runtime.linux-arm64 versions 10.0.0 through 10.0.12 to version 10.0.13 Update Microsoft.AspNetCore.App.Runtime.linux-musl-arm versions 10.0.0 through 10.0.12 to version 10.0.13 Update Microsoft.AspNetCore.App.Runtime.linux-musl-arm64 versions 10.0.0 through 10.0.12 to version 10.0.13 Update Microsoft.AspNetCore.App.Runtime.linux-musl-x64 versions 10.0.0 through 10.0.12 to version 10.0.13 Update Microsoft.AspNetCore.App.Runtime.linux-x64 versions 10.0.0 through 10.0.12 to version 10.0.13 Update Microsoft.AspNetCore.App.Runtime.osx-arm64 versions 10.0.0 through 10.0.12 to version 10.0.13 Update Microsoft.AspNetCore.App.Runtime.osx-x64 versions 10.0.0 through 10.0.12 to version 10.0.13 Update Microsoft.AspNetCore.App.Runtime.win-arm versions 10.0.0 through 10.0.12 to version 10.0.13 Update Microsoft.AspNetCore.App.Runtime.win-arm64 versions 10.0.0 through 10.0.12 to version 10.0.13 Update Microsoft.AspNetCore.App.Runtime.win-x64 versions 10.0.0 through 10.0.12 to version 10.0.13 Update Microsoft.AspNetCore.App.Runtime.win-x86 versions 10.0.0 through 10.0.12 to version 10.0.13 Update Microsoft.AspNetCore.App.Runtime.linux-arm versions 9.0.0 through 9.0.20 to version 9.0.21 Update Microsoft.AspNetCore.App.Runtime.linux-arm64 versions 9.0.0 through 9.0.20 to version 9.0.21 Update Microsoft.AspNetCore.App.Runtime.linux-musl-arm versions 9.0.0 through 9.0.20 to version 9.0.21 Update Microsoft.AspNetCore.App.Runtime.linux-musl-arm64 versions 9.0.0 through 9.0.20 to version 9.0.21 Update Microsoft.AspNetCore.App.Runtime.linux-musl-x64 versions 9.0.0 through 9.0.20 to version 9.0.21 Update Microsoft.AspNetCore.App.Runtime.linux-x64 versions 9.0.0 through 9.0.20 to version 9.0.21 Update Microsoft.AspNetCore.App.Runtime.osx-arm64 versions 9.0.0 through 9.0.20 to version 9.0.21 Update Microsoft.AspNetCore.App.Runtime.osx-x64 versions 9.0.0 through 9.0.20 to version 9.0.21 Update Microsoft.AspNetCore.App.Runtime.win-arm versions 9.0.0 through 9.0.20 to version 9.0.21 Update Microsoft.AspNetCore.App.Runtime.win-arm64 versions 9.0.0 through 9.0.20 to version 9.0.21 Update Microsoft.AspNetCore.App.Runtime.win-x64 versions 9.0.0 through 9.0.20 to version 9.0.21 Update Microsoft.AspNetCore.App.Runtime.win-x86 versions 9.0.0 through 9.0.20 to version 9.0.21

Fix

Allocation of Resources Without Limits

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Weakness Enumeration

Related Identifiers

CVE-2026-96236
GHSA-F4G7-52WC-P8X7

Affected Products

Asp.Net Core