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Vulnerability details: VCID-myyb-zm57-e3cb
Vulnerability ID VCID-myyb-zm57-e3cb
Aliases CVE-2024-43484
GHSA-f32c-w444-8ppv
Summary # Microsoft Security Advisory CVE-2024-43484 | .NET Denial of Service Vulnerability ## <a name="executive-summary"></a>Executive summary Microsoft is releasing this security advisory to provide information about a vulnerability in System.IO.Packaging. This advisory also provides guidance on what developers can do to update their applications to remove this vulnerability. The System.IO.Packaging library may allow untrusted inputs to influence algorithmically complex operations, leading to denial of service. ## Announcement Announcement for this issue can be found at https://github.com/dotnet/announcements/issues/328 ## <a name="mitigation-factors"></a>Mitigation factors Microsoft has not identified any mitigating factors for this vulnerability. ## <a name="affected-packages"></a>Affected Packages The vulnerability affects any Microsoft .NET Core project if it uses any of affected packages versions listed below ### <a name=".NET 9"></a>.NET 9 Package name | Affected version | Patched version ------------ | ---------------- | ------------------------- [System.IO.Packaging](https://www.nuget.org/packages/System.IO.Packaging) | >= 9.0.0-preview.1.24080.9, <= 9.0.0-rc.1.24431.7 | 9.0.0-rc.2.24473.5 ### <a name=".NET 8"></a>.NET 8 Package name | Affected version | Patched version ------------ | ---------------- | ------------------------- [System.IO.Packaging](https://www.nuget.org/packages/System.IO.Packaging) | >= 8.0.0-preview.1.23110.8, <= 8.0.0 | 8.0.1 ### <a name=".NET 6"></a>.NET 6 Package name | Affected version | Patched version ------------ | ---------------- | ------------------------- [System.IO.Packaging](https://www.nuget.org/packages/System.IO.Packaging) | >= 6.0.0-preview.1.21102.12, <= 6.0.0 | 6.0.1 ## Advisory FAQ ### <a name="how-affected"></a>How do I know if I am affected? If you have a runtime or SDK with a version listed, or an affected package listed in [affected software](#affected-packages) or [affected packages](#affected-software), you're exposed to the vulnerability. ### <a name="how-fix"></a>How do I fix the issue? * To fix the issue please install the latest version of .NET 8.0 or .NET 6.0. If you have installed one or more .NET SDKs through Visual Studio, Visual Studio will prompt you to update Visual Studio, which will also update your .NET SDKs. * If you have .NET 6.0 or greater installed, you can list the versions you have installed by running the `dotnet --info` command. You will see output like the following; ``` .NET Core SDK (reflecting any global.json): Version: 8.0.200 Commit: 8473146e7d Runtime Environment: OS Name: Windows OS Version: 10.0.18363 OS Platform: Windows RID: win10-x64 Base Path: C:\Program Files\dotnet\sdk\6.0.300\ Host (useful for support): Version: 8.0.3 Commit: 8473146e7d .NET Core SDKs installed: 8.0.200 [C:\Program Files\dotnet\sdk] .NET Core runtimes installed: Microsoft.AspAspNetCore.App 8.0.3 [C:\Program Files\dotnet\shared\Microsoft.AspAspNetCore.App] Microsoft.AspNetCore.App 8.0.3 [C:\Program Files\dotnet\shared\Microsoft.AspNetCore.App] Microsoft.WindowsDesktop.App 8.0.3 [C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App] To install additional .NET Core runtimes or SDKs: https://aka.ms/dotnet-download ``` * If you're using .NET 9.0, you should download and install .NET 9.0 RC 2 Runtime or .NET 9.0.100-rc.2.24474.11 SDK (for Visual Studio 2022 v17.12 latest Preview) from https://dotnet.microsoft.com/download/dotnet-core/9.0. * If you're using .NET 8.0, you should download and install .NET 8.0.10 Runtime or .NET 8.0.110 SDK (for Visual Studio 2022 v17.8) from https://dotnet.microsoft.com/download/dotnet-core/8.0. * If you're using .NET 6.0, you should download and install .NET 6.0.35 Runtime or .NET 6.0.135 SDK (for Visual Studio 2022 v17.6) from https://dotnet.microsoft.com/download/dotnet-core/6.0. .NET 8.0 and .NET 6.0 updates are also available from Microsoft Update. To access this either type "Check for updates" in your Windows search, or open Settings, choose Update & Security and then click Check for Updates. Once you have installed the updated runtime or SDK, restart your apps for the update to take effect. Additionally, if you've deployed [self-contained applications](https://docs.microsoft.com/dotnet/core/deploying/#self-contained-deployments-scd) targeting any of the impacted versions, these applications are also vulnerable and must be recompiled and redeployed. ## Other Information ### Reporting Security Issues If you have found a potential security issue in .NET 8.0 or .NET 6.0, please email details to secure@microsoft.com. Reports may qualify for the Microsoft .NET Core & .NET 5 Bounty. Details of the Microsoft .NET Bounty Program including terms and conditions are at <https://aka.ms/corebounty>. ### Support You can ask questions about this issue on GitHub in the .NET GitHub organization. The main repos are located at https://github.com/dotnet/runtime and https://github.com/dotnet/aspnet/. The Announcements repo (https://github.com/dotnet/Announcements) will contain this bulletin as an issue and will include a link to a discussion issue. You can ask questions in the linked discussion issue. ### Disclaimer The information provided in this advisory is provided "as is" without warranty of any kind. Microsoft disclaims all warranties, either express or implied, including the warranties of merchantability and fitness for a particular purpose. In no event shall Microsoft Corporation or its suppliers be liable for any damages whatsoever including direct, indirect, incidental, consequential, loss of business profits or special damages, even if Microsoft Corporation or its suppliers have been advised of the possibility of such damages. Some states do not allow the exclusion or limitation of liability for consequential or incidental damages so the foregoing limitation may not apply. ### External Links [CVE-2024-43484]( https://www.cve.org/CVERecord?id=CVE-2024-43484) ### Revisions V1.0 (October 08, 2024): Advisory published. _Version 1.0_ _Last Updated 2024-10-08_
Status Published
Exploitability 0.5
Weighted Severity 8.0
Risk 4.0
Affected and Fixed Packages Package Details
Weaknesses (4)
CWE-407 Inefficient Algorithmic Complexity
CWE-789 Memory Allocation with Excessive Size Value
CWE-937 OWASP Top Ten 2013 Category A9 - Using Components with Known Vulnerabilities
CWE-1035 OWASP Top Ten 2017 Category A9 - Using Components with Known Vulnerabilities
System Score Found at
cvssv3 7.5 https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2024-43484.json
epss 0.0121 https://api.first.org/data/v1/epss?cve=CVE-2024-43484
epss 0.0121 https://api.first.org/data/v1/epss?cve=CVE-2024-43484
epss 0.0121 https://api.first.org/data/v1/epss?cve=CVE-2024-43484
epss 0.0121 https://api.first.org/data/v1/epss?cve=CVE-2024-43484
epss 0.0121 https://api.first.org/data/v1/epss?cve=CVE-2024-43484
epss 0.0121 https://api.first.org/data/v1/epss?cve=CVE-2024-43484
epss 0.0121 https://api.first.org/data/v1/epss?cve=CVE-2024-43484
epss 0.0121 https://api.first.org/data/v1/epss?cve=CVE-2024-43484
epss 0.0121 https://api.first.org/data/v1/epss?cve=CVE-2024-43484
epss 0.0121 https://api.first.org/data/v1/epss?cve=CVE-2024-43484
epss 0.0121 https://api.first.org/data/v1/epss?cve=CVE-2024-43484
epss 0.0121 https://api.first.org/data/v1/epss?cve=CVE-2024-43484
epss 0.0121 https://api.first.org/data/v1/epss?cve=CVE-2024-43484
cvssv3.1_qr HIGH https://github.com/advisories/GHSA-f32c-w444-8ppv
cvssv3.1 7.5 https://github.com/dotnet/announcements/issues/328
cvssv4 8.8 https://github.com/dotnet/announcements/issues/328
generic_textual HIGH https://github.com/dotnet/announcements/issues/328
cvssv3.1 7.5 https://github.com/dotnet/runtime
cvssv4 8.8 https://github.com/dotnet/runtime
generic_textual HIGH https://github.com/dotnet/runtime
cvssv3.1 7.5 https://github.com/dotnet/runtime/issues/108676
cvssv4 8.8 https://github.com/dotnet/runtime/issues/108676
generic_textual HIGH https://github.com/dotnet/runtime/issues/108676
cvssv3.1 7.5 https://github.com/dotnet/runtime/security/advisories/GHSA-f32c-w444-8ppv
cvssv3.1_qr HIGH https://github.com/dotnet/runtime/security/advisories/GHSA-f32c-w444-8ppv
cvssv4 8.8 https://github.com/dotnet/runtime/security/advisories/GHSA-f32c-w444-8ppv
generic_textual HIGH https://github.com/dotnet/runtime/security/advisories/GHSA-f32c-w444-8ppv
cvssv3.1 7.5 https://msrc.microsoft.com/update-guide/vulnerability/CVE-2024-43484
cvssv3.1 7.5 https://msrc.microsoft.com/update-guide/vulnerability/CVE-2024-43484
cvssv4 8.8 https://msrc.microsoft.com/update-guide/vulnerability/CVE-2024-43484
generic_textual HIGH https://msrc.microsoft.com/update-guide/vulnerability/CVE-2024-43484
ssvc Track https://msrc.microsoft.com/update-guide/vulnerability/CVE-2024-43484
cvssv3.1 7.5 https://nvd.nist.gov/vuln/detail/CVE-2024-43484
cvssv4 8.8 https://nvd.nist.gov/vuln/detail/CVE-2024-43484
generic_textual HIGH https://nvd.nist.gov/vuln/detail/CVE-2024-43484
cvssv3.1 7.5 https://security.netapp.com/advisory/ntap-20250328-0007
cvssv4 8.8 https://security.netapp.com/advisory/ntap-20250328-0007
generic_textual HIGH https://security.netapp.com/advisory/ntap-20250328-0007
Reference id Reference type URL
https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2024-43484.json
https://api.first.org/data/v1/epss?cve=CVE-2024-43484
https://github.com/dotnet/announcements/issues/328
https://github.com/dotnet/runtime
https://github.com/dotnet/runtime/issues/108676
https://github.com/dotnet/runtime/security/advisories/GHSA-f32c-w444-8ppv
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2024-43484
https://nvd.nist.gov/vuln/detail/CVE-2024-43484
https://security.netapp.com/advisory/ntap-20250328-0007
2315729 https://bugzilla.redhat.com/show_bug.cgi?id=2315729
GHSA-f32c-w444-8ppv https://github.com/advisories/GHSA-f32c-w444-8ppv
RHSA-2024:7851 https://access.redhat.com/errata/RHSA-2024:7851
RHSA-2024:7867 https://access.redhat.com/errata/RHSA-2024:7867
RHSA-2024:7868 https://access.redhat.com/errata/RHSA-2024:7868
RHSA-2024:7869 https://access.redhat.com/errata/RHSA-2024:7869
RHSA-2024:8036 https://access.redhat.com/errata/RHSA-2024:8036
RHSA-2024:8047 https://access.redhat.com/errata/RHSA-2024:8047
RHSA-2024:8048 https://access.redhat.com/errata/RHSA-2024:8048
RHSA-2024:8082 https://access.redhat.com/errata/RHSA-2024:8082
USN-7058-1 https://usn.ubuntu.com/7058-1/
No exploits are available.
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H Found at https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2024-43484.json
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H Found at https://github.com/dotnet/announcements/issues/328
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:H/SC:N/SI:N/SA:N Found at https://github.com/dotnet/announcements/issues/328
Attack Vector (AV) Attack Complexity (AC) Attack Requirements (AT) Privileges Required (PR) User Interaction (UI) Vulnerable System Impact Confidentiality (VC) Vulnerable System Impact Integrity (VI) Vulnerable System Impact Availability (VA) Subsequent System Impact Confidentiality (SC) Subsequent System Impact Integrity (SI) Subsequent System Impact Availability (SA)

network

adjacent

local

physical

low

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none

present

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passive

active

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none

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low

none
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H Found at https://github.com/dotnet/runtime
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:H/SC:N/SI:N/SA:N Found at https://github.com/dotnet/runtime
Attack Vector (AV) Attack Complexity (AC) Attack Requirements (AT) Privileges Required (PR) User Interaction (UI) Vulnerable System Impact Confidentiality (VC) Vulnerable System Impact Integrity (VI) Vulnerable System Impact Availability (VA) Subsequent System Impact Confidentiality (SC) Subsequent System Impact Integrity (SI) Subsequent System Impact Availability (SA)

network

adjacent

local

physical

low

high

none

present

none

low

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none

passive

active

high

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none

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none

high

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none

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low

none

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low

none

high

low

none
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H Found at https://github.com/dotnet/runtime/issues/108676
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

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none
Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:H/SC:N/SI:N/SA:N Found at https://github.com/dotnet/runtime/issues/108676
Attack Vector (AV) Attack Complexity (AC) Attack Requirements (AT) Privileges Required (PR) User Interaction (UI) Vulnerable System Impact Confidentiality (VC) Vulnerable System Impact Integrity (VI) Vulnerable System Impact Availability (VA) Subsequent System Impact Confidentiality (SC) Subsequent System Impact Integrity (SI) Subsequent System Impact Availability (SA)

network

adjacent

local

physical

low

high

none

present

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passive

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Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H Found at https://github.com/dotnet/runtime/security/advisories/GHSA-f32c-w444-8ppv
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

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high

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required

unchanged

changed

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Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:H/SC:N/SI:N/SA:N Found at https://github.com/dotnet/runtime/security/advisories/GHSA-f32c-w444-8ppv
Attack Vector (AV) Attack Complexity (AC) Attack Requirements (AT) Privileges Required (PR) User Interaction (UI) Vulnerable System Impact Confidentiality (VC) Vulnerable System Impact Integrity (VI) Vulnerable System Impact Availability (VA) Subsequent System Impact Confidentiality (SC) Subsequent System Impact Integrity (SI) Subsequent System Impact Availability (SA)

network

adjacent

local

physical

low

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none

present

none

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passive

active

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Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C Found at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2024-43484
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

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required

unchanged

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Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H Found at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2024-43484
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

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Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:H/SC:N/SI:N/SA:N Found at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2024-43484
Attack Vector (AV) Attack Complexity (AC) Attack Requirements (AT) Privileges Required (PR) User Interaction (UI) Vulnerable System Impact Confidentiality (VC) Vulnerable System Impact Integrity (VI) Vulnerable System Impact Availability (VA) Subsequent System Impact Confidentiality (SC) Subsequent System Impact Integrity (SI) Subsequent System Impact Availability (SA)

network

adjacent

local

physical

low

high

none

present

none

low

high

none

passive

active

high

low

none

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low

none

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low

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low

none

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low

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Vector: SSVCv2/E:N/A:Y/T:P/P:M/B:A/M:M/D:T/2024-10-08T18:54:47Z/ Found at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2024-43484
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H Found at https://nvd.nist.gov/vuln/detail/CVE-2024-43484
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

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none
Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:H/SC:N/SI:N/SA:N Found at https://nvd.nist.gov/vuln/detail/CVE-2024-43484
Attack Vector (AV) Attack Complexity (AC) Attack Requirements (AT) Privileges Required (PR) User Interaction (UI) Vulnerable System Impact Confidentiality (VC) Vulnerable System Impact Integrity (VI) Vulnerable System Impact Availability (VA) Subsequent System Impact Confidentiality (SC) Subsequent System Impact Integrity (SI) Subsequent System Impact Availability (SA)

network

adjacent

local

physical

low

high

none

present

none

low

high

none

passive

active

high

low

none

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none

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none

high

low

none

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low

none

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Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H Found at https://security.netapp.com/advisory/ntap-20250328-0007
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

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low

none

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none
Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:H/SC:N/SI:N/SA:N Found at https://security.netapp.com/advisory/ntap-20250328-0007
Attack Vector (AV) Attack Complexity (AC) Attack Requirements (AT) Privileges Required (PR) User Interaction (UI) Vulnerable System Impact Confidentiality (VC) Vulnerable System Impact Integrity (VI) Vulnerable System Impact Availability (VA) Subsequent System Impact Confidentiality (SC) Subsequent System Impact Integrity (SI) Subsequent System Impact Availability (SA)

network

adjacent

local

physical

low

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none

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Exploit Prediction Scoring System (EPSS)
Percentile 0.78948
EPSS Score 0.0121
Published At April 2, 2026, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2026-04-01T12:49:24.247001+00:00 GithubOSV Importer Import https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2024/10/GHSA-f32c-w444-8ppv/GHSA-f32c-w444-8ppv.json 38.0.0