Amazon Linux 2023 Security Advisory: ALAS2023-2026-3248
Advisory Released Date: 2026-10-22
Advisory Updated Date: 2026-10-30
FAQs regarding Amazon Linux ALAS/CVE Severity
Allocation of resources without limits or throttling in ASP.NET Core allows an unauthorized attacker to deny service over a network. (CVE-2026-109468)
Uncontrolled recursion in .NET allows an unauthorized attacker to deny service over a network. (CVE-2026-58280)
Insertion of sensitive information into sent data in .NET allows an unauthorized attacker to disclose information over a network. (CVE-2026-66822)
Inefficient algorithmic complexity in .NET allows an unauthorized attacker to deny service over a network. (CVE-2026-69651)
Out-of-bounds write in .NET Framework allows an unauthorized attacker to execute code over a network. (CVE-2026-70007)
Allocation of resources without limits or throttling in ASP.NET Core allows an unauthorized attacker to deny service over a network. (CVE-2026-70159)
Improper authentication in ASP.NET Core allows an unauthorized attacker to elevate privileges over a network. (CVE-2026-70175)
Authentication bypass by spoofing in ASP.NET Core allows an authorized attacker to elevate privileges over a network. (CVE-2026-70179)
Allocation of resources without limits or throttling in ASP.NET Core allows an unauthorized attacker to deny service over a network. (CVE-2026-70181)
Concurrent execution using shared resource with improper synchronization ('race condition') in ASP.NET Core allows an authorized attacker to elevate privileges over a network. (CVE-2026-70183)
Deadlock in ASP.NET Core allows an unauthorized attacker to deny service over a network. (CVE-2026-70186)
Inconsistent interpretation of http requests ('http request/response smuggling') in ASP.NET Core allows an unauthorized attacker to bypass a security feature over a network. (CVE-2026-70188)
Inefficient algorithmic complexity in ASP.NET Core allows an unauthorized attacker to deny service over a network. (CVE-2026-70196)
Deserialization of untrusted data in .NET allows an unauthorized attacker to execute code over a network. (CVE-2026-83520)
Inefficient algorithmic complexity in .NET allows an unauthorized attacker to deny service over a network. (CVE-2026-84008)
Inconsistent interpretation of http requests ('http request/response smuggling') in ASP.NET Core allows an unauthorized attacker to perform tampering over a network. (CVE-2026-88092)
Improper link resolution before file access ('link following') in .NET allows an authorized attacker to elevate privileges locally. (CVE-2026-96225)
Improper neutralization of input during web page generation ('cross-site scripting') in ASP.NET Core allows an unauthorized attacker to execute code over a network. (CVE-2026-96230)
Improper link resolution before file access ('link following') in .NET allows an authorized attacker to elevate privileges locally. (CVE-2026-96231)
Out-of-bounds write in ASP.NET Core allows an unauthorized attacker to deny service over a network. (CVE-2026-96233)
Allocation of resources without limits or throttling in ASP.NET Core allows an unauthorized attacker to deny service over a network. (CVE-2026-96236)
Inclusion of functionality from untrusted control sphere in .NET allows an unauthorized attacker to execute code over a network. (CVE-2026-96237)
Origin validation error in .NET allows an unauthorized attacker to bypass a security feature over a network. (CVE-2026-96238)
Inefficient algorithmic complexity in .NET allows an unauthorized attacker to deny service over a network. (CVE-2026-96958)
Allocation of resources without limits or throttling in .NET allows an unauthorized attacker to deny service over a network. (CVE-2026-96959)
Asymmetric resource consumption (amplification) in .NET allows an unauthorized attacker to deny service over a network. (CVE-2026-96960)
Affected Packages:
dotnet9.0
Issue Correction:
Run dnf update dotnet9.0 --releasever 2023.12.20261021 or dnf update --advisory ALAS2023-2026-3248 --releasever 2023.12.20261021 to update your system.
More information on how to update your system can be found on this page: Amazon Linux 2023 documentation
aarch64:
dotnet-sdk-9.0-debuginfo-9.0.122-1.amzn2023.0.1.aarch64
dotnet-templates-9.0-9.0.122-1.amzn2023.0.1.aarch64
netstandard-targeting-pack-2.1-9.0.122-1.amzn2023.0.1.aarch64
dotnet-sdk-9.0-source-built-artifacts-9.0.122-1.amzn2023.0.1.aarch64
aspnetcore-runtime-9.0-9.0.21-1.amzn2023.0.1.aarch64
dotnet-apphost-pack-9.0-debuginfo-9.0.21-1.amzn2023.0.1.aarch64
dotnet-runtime-9.0-9.0.21-1.amzn2023.0.1.aarch64
dotnet-runtime-dbg-9.0-9.0.21-1.amzn2023.0.1.aarch64
dotnet-host-debuginfo-9.0.21-1.amzn2023.0.1.aarch64
dotnet-9.0.122-1.amzn2023.0.1.aarch64
dotnet-runtime-9.0-debuginfo-9.0.21-1.amzn2023.0.1.aarch64
dotnet-hostfxr-9.0-9.0.21-1.amzn2023.0.1.aarch64
dotnet-host-9.0.21-1.amzn2023.0.1.aarch64
dotnet-sdk-aot-9.0-9.0.122-1.amzn2023.0.1.aarch64
dotnet-sdk-dbg-9.0-9.0.122-1.amzn2023.0.1.aarch64
dotnet-apphost-pack-9.0-9.0.21-1.amzn2023.0.1.aarch64
dotnet9.0-debugsource-9.0.122-1.amzn2023.0.1.aarch64
dotnet-hostfxr-9.0-debuginfo-9.0.21-1.amzn2023.0.1.aarch64
dotnet-targeting-pack-9.0-9.0.21-1.amzn2023.0.1.aarch64
dotnet-sdk-aot-9.0-debuginfo-9.0.122-1.amzn2023.0.1.aarch64
aspnetcore-targeting-pack-9.0-9.0.21-1.amzn2023.0.1.aarch64
aspnetcore-runtime-dbg-9.0-9.0.21-1.amzn2023.0.1.aarch64
dotnet-sdk-9.0-9.0.122-1.amzn2023.0.1.aarch64
src:
dotnet9.0-9.0.122-1.amzn2023.0.1.src
x86_64:
dotnet-sdk-9.0-source-built-artifacts-9.0.122-1.amzn2023.0.1.x86_64
dotnet-apphost-pack-9.0-debuginfo-9.0.21-1.amzn2023.0.1.x86_64
dotnet-runtime-9.0-debuginfo-9.0.21-1.amzn2023.0.1.x86_64
dotnet-sdk-9.0-debuginfo-9.0.122-1.amzn2023.0.1.x86_64
dotnet-hostfxr-9.0-debuginfo-9.0.21-1.amzn2023.0.1.x86_64
aspnetcore-runtime-9.0-9.0.21-1.amzn2023.0.1.x86_64
aspnetcore-runtime-dbg-9.0-9.0.21-1.amzn2023.0.1.x86_64
dotnet-host-debuginfo-9.0.21-1.amzn2023.0.1.x86_64
dotnet-runtime-dbg-9.0-9.0.21-1.amzn2023.0.1.x86_64
dotnet-9.0.122-1.amzn2023.0.1.x86_64
dotnet-hostfxr-9.0-9.0.21-1.amzn2023.0.1.x86_64
dotnet-sdk-aot-9.0-9.0.122-1.amzn2023.0.1.x86_64
dotnet-templates-9.0-9.0.122-1.amzn2023.0.1.x86_64
dotnet-sdk-aot-9.0-debuginfo-9.0.122-1.amzn2023.0.1.x86_64
netstandard-targeting-pack-2.1-9.0.122-1.amzn2023.0.1.x86_64
dotnet-host-9.0.21-1.amzn2023.0.1.x86_64
aspnetcore-targeting-pack-9.0-9.0.21-1.amzn2023.0.1.x86_64
dotnet-runtime-9.0-9.0.21-1.amzn2023.0.1.x86_64
dotnet-apphost-pack-9.0-9.0.21-1.amzn2023.0.1.x86_64
dotnet-sdk-dbg-9.0-9.0.122-1.amzn2023.0.1.x86_64
dotnet-targeting-pack-9.0-9.0.21-1.amzn2023.0.1.x86_64
dotnet-sdk-9.0-9.0.122-1.amzn2023.0.1.x86_64
dotnet9.0-debugsource-9.0.122-1.amzn2023.0.1.x86_64
2026-10-30: CVE-2026-70181 was added to this advisory.
2026-10-30: CVE-2026-66822 was added to this advisory.
2026-10-30: CVE-2026-96238 was added to this advisory.
2026-10-30: CVE-2026-70183 was added to this advisory.
2026-10-30: CVE-2026-70179 was added to this advisory.
2026-10-30: CVE-2026-70186 was added to this advisory.
2026-10-30: CVE-2026-69651 was added to this advisory.
2026-10-30: CVE-2026-96237 was added to this advisory.
2026-10-30: CVE-2026-70159 was added to this advisory.
2026-10-30: CVE-2026-96236 was added to this advisory.
2026-10-30: CVE-2026-96959 was added to this advisory.
2026-10-30: CVE-2026-96225 was added to this advisory.
2026-10-30: CVE-2026-84008 was added to this advisory.
2026-10-30: CVE-2026-70175 was added to this advisory.
2026-10-30: CVE-2026-70196 was added to this advisory.
2026-10-30: CVE-2026-96233 was added to this advisory.
2026-10-30: CVE-2026-70007 was added to this advisory.
2026-10-30: CVE-2026-96231 was added to this advisory.
2026-10-30: CVE-2026-96230 was added to this advisory.
2026-10-30: CVE-2026-58280 was added to this advisory.
2026-10-30: CVE-2026-96958 was added to this advisory.
2026-10-30: CVE-2026-109468 was added to this advisory.
2026-10-30: CVE-2026-83520 was added to this advisory.
2026-10-30: CVE-2026-96960 was added to this advisory.