CWE-122
AllowedHeap-based Buffer Overflow
Abstraction: Variant · Status: Draft
A heap overflow condition is a buffer overflow, where the buffer that can be overwritten is allocated in the heap portion of memory, generally meaning that the buffer was allocated using a routine such as malloc().
4096 vulnerabilities reference this CWE, most recent first.
GHSA-87WP-W4RQ-JFVP
Vulnerability from github – Published: 2026-05-14 21:30 – Updated: 2026-05-14 21:30Heap buffer overflow in WebML in Google Chrome prior to 148.0.7778.168 allowed a remote attacker to execute arbitrary code inside a sandbox via a crafted HTML page. (Chromium security severity: Critical)
{
"affected": [],
"aliases": [
"CVE-2026-8509"
],
"database_specific": {
"cwe_ids": [
"CWE-122"
],
"github_reviewed": false,
"github_reviewed_at": null,
"nvd_published_at": "2026-05-14T20:17:11Z",
"severity": "HIGH"
},
"details": "Heap buffer overflow in WebML in Google Chrome prior to 148.0.7778.168 allowed a remote attacker to execute arbitrary code inside a sandbox via a crafted HTML page. (Chromium security severity: Critical)",
"id": "GHSA-87wp-w4rq-jfvp",
"modified": "2026-05-14T21:30:44Z",
"published": "2026-05-14T21:30:44Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2026-8509"
},
{
"type": "WEB",
"url": "https://chromereleases.googleblog.com/2026/05/stable-channel-update-for-desktop_12.html"
},
{
"type": "WEB",
"url": "https://issues.chromium.org/issues/493310462"
}
],
"schema_version": "1.4.0",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
"type": "CVSS_V3"
}
]
}
GHSA-8844-88F7-3MWF
Vulnerability from github – Published: 2025-04-08 18:34 – Updated: 2025-04-08 18:34Heap-based buffer overflow in Windows Telephony Service allows an unauthorized attacker to execute code over a network.
{
"affected": [],
"aliases": [
"CVE-2025-27477"
],
"database_specific": {
"cwe_ids": [
"CWE-122",
"CWE-787"
],
"github_reviewed": false,
"github_reviewed_at": null,
"nvd_published_at": "2025-04-08T18:15:57Z",
"severity": "HIGH"
},
"details": "Heap-based buffer overflow in Windows Telephony Service allows an unauthorized attacker to execute code over a network.",
"id": "GHSA-8844-88f7-3mwf",
"modified": "2025-04-08T18:34:50Z",
"published": "2025-04-08T18:34:50Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2025-27477"
},
{
"type": "WEB",
"url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-27477"
}
],
"schema_version": "1.4.0",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
"type": "CVSS_V3"
}
]
}
GHSA-884V-FPXM-8FHR
Vulnerability from github – Published: 2025-02-11 18:31 – Updated: 2025-02-11 18:31Windows Core Messaging Elevation of Privileges Vulnerability
{
"affected": [],
"aliases": [
"CVE-2025-21184"
],
"database_specific": {
"cwe_ids": [
"CWE-122"
],
"github_reviewed": false,
"github_reviewed_at": null,
"nvd_published_at": "2025-02-11T18:15:30Z",
"severity": "HIGH"
},
"details": "Windows Core Messaging Elevation of Privileges Vulnerability",
"id": "GHSA-884v-fpxm-8fhr",
"modified": "2025-02-11T18:31:36Z",
"published": "2025-02-11T18:31:36Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2025-21184"
},
{
"type": "WEB",
"url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-21184"
}
],
"schema_version": "1.4.0",
"severity": [
{
"score": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H",
"type": "CVSS_V3"
}
]
}
GHSA-88M2-6C63-GGGP
Vulnerability from github – Published: 2026-03-10 18:31 – Updated: 2026-03-10 18:31Heap-based buffer overflow in Windows Mobile Broadband allows an unauthorized attacker to execute code with a physical attack.
{
"affected": [],
"aliases": [
"CVE-2026-24288"
],
"database_specific": {
"cwe_ids": [
"CWE-122"
],
"github_reviewed": false,
"github_reviewed_at": null,
"nvd_published_at": "2026-03-10T18:18:18Z",
"severity": "MODERATE"
},
"details": "Heap-based buffer overflow in Windows Mobile Broadband allows an unauthorized attacker to execute code with a physical attack.",
"id": "GHSA-88m2-6c63-gggp",
"modified": "2026-03-10T18:31:20Z",
"published": "2026-03-10T18:31:20Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2026-24288"
},
{
"type": "WEB",
"url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-24288"
}
],
"schema_version": "1.4.0",
"severity": [
{
"score": "CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
"type": "CVSS_V3"
}
]
}
GHSA-88Q2-H5G3-P4PG
Vulnerability from github – Published: 2023-06-14 17:01 – Updated: 2023-06-14 17:01Microsoft Security Advisory CVE-2023-24897: .NET Remote Code Execution Vulnerability
Executive summary
Microsoft is releasing this security advisory to provide information about a vulnerability in .NET 7.0 and .NET 6.0. This advisory also provides guidance on what developers can do to update their applications to remove this vulnerability.
This security update addresses a vulnerability in the MSDIA SDK where corrupted PDBs can cause heap overflow, leading to a crash or remove code execution
Announcement
Announcement for this issue can be found at https://github.com/dotnet/announcements/issues/260
Mitigation factors
Microsoft has not identified any mitigating factors for this vulnerability.
Affected software
- Any .NET 7.0 application running on .NET 7.0.5 or earlier.
- Any .NET 6.0 application running on .NET 6.0.16 or earlier.
If your application uses the following package versions, ensure you update to the latest version of .NET.
.NET 7
| Package name | Affected version | Patched version |
|---|---|---|
| Microsoft.NetCore.App.Runtime.win-arm | >= 7.0.0, <= 7.0.5 | 7.0.7 |
| Microsoft.NetCore.App.Runtime.win-arm64 | >= 7.0.0, <= 7.0.5 | 7.0.7 |
| Microsoft.NetCore.App.Runtime.win-x64 | >= 7.0.0, <= 7.0.5 | 7.0.7 |
| Microsoft.NetCore.App.Runtime.win-x86 | >= 7.0.0, <= 7.0.5 | 7.0.7 |
.NET 6
| Package name | Affected version | Patched version |
|---|---|---|
| Microsoft.NetCore.App.Runtime.win-arm | >= 6.0.0, <= 6.0.16 | 6.0.18 |
| Microsoft.NetCore.App.Runtime.win-arm64 | >= 6.0.0, <= 6.0.16 | 6.0.18 |
| Microsoft.NetCore.App.Runtime.win-x64 | >= 6.0.0, <= 6.0.16 | 6.0.18 |
| Microsoft.NetCore.App.Runtime.win-x86 | >= 6.0.0, <= 6.0.16 | 6.0.18 |
Advisory FAQ
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, you're exposed to the vulnerability.
How do I fix the issue?
- To fix the issue please install the latest version of .NET 6.0 or .NET 7.0. 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 are using one of the affected packages, please update to the patched version listed above.
- If you have .NET 6.0 or greater installed, you can list the versions you have installed by running the
dotnet --infocommand. You will see output like the following;
.NET Core SDK (reflecting any global.json):
Version: 6.0.300
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: 6.0.5
Commit: 8473146e7d
.NET Core SDKs installed:
6.0.300 [C:\Program Files\dotnet\sdk]
.NET Core runtimes installed:
Microsoft.AspNetCore.App 6.0.5 [C:\Program Files\dotnet\shared\Microsoft.AspNetCore.App]
Microsoft.NETCore.App 6.0.5 [C:\Program Files\dotnet\shared\Microsoft.NETCore.App]
Microsoft.WindowsDesktop.App 6.0.5 [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 7.0, you should download and install Runtime 7.0.7 or SDK 7.0.106 (for Visual Studio 2022 v17.4) from https://dotnet.microsoft.com/download/dotnet-core/7.0.
- If you're using .NET 6.0, you should download and install Runtime 6.0.18 or SDK 6.0.312 (for Visual Studio 2022 v17.2) from https://dotnet.microsoft.com/download/dotnet-core/6.0.
.NET 6.0 and and .NET 7.0 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 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 6.0 or .NET 7.0, 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
Revisions
V1.0 (June 13, 2023): Advisory published.
Version 1.0
Last Updated 2023-06-13
{
"affected": [
{
"database_specific": {
"last_known_affected_version_range": "\u003c= 7.0.5"
},
"package": {
"ecosystem": "NuGet",
"name": "Microsoft.NetCore.App.Runtime.win-arm"
},
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}
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{
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},
{
"database_specific": {
"last_known_affected_version_range": "\u003c= 7.0.5"
},
"package": {
"ecosystem": "NuGet",
"name": "Microsoft.NetCore.App.Runtime.win-x86"
},
"ranges": [
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"events": [
{
"introduced": "7.0.0"
},
{
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}
],
"type": "ECOSYSTEM"
}
]
},
{
"database_specific": {
"last_known_affected_version_range": "\u003c= 6.0.16"
},
"package": {
"ecosystem": "NuGet",
"name": "Microsoft.NetCore.App.Runtime.win-arm"
},
"ranges": [
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"introduced": "6.0.0"
},
{
"fixed": "6.0.18"
}
],
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}
]
},
{
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"last_known_affected_version_range": "\u003c= 6.0.16"
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},
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},
{
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},
"package": {
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],
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},
{
"database_specific": {
"last_known_affected_version_range": "\u003c= 6.0.16"
},
"package": {
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],
"type": "ECOSYSTEM"
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],
"aliases": [
"CVE-2023-24897"
],
"database_specific": {
"cwe_ids": [
"CWE-122"
],
"github_reviewed": true,
"github_reviewed_at": "2023-06-14T17:01:16Z",
"nvd_published_at": "2023-06-14T15:15:09Z",
"severity": "HIGH"
},
"details": "# Microsoft Security Advisory CVE-2023-24897: .NET Remote Code Execution Vulnerability\n\n## \u003ca name=\"executive-summary\"\u003e\u003c/a\u003eExecutive summary\n\nMicrosoft is releasing this security advisory to provide information about a vulnerability in .NET 7.0 and .NET 6.0. This advisory also provides guidance on what developers can do to update their applications to remove this vulnerability.\n\nThis security update addresses a vulnerability in the MSDIA SDK where corrupted PDBs can cause heap overflow, leading to a crash or remove code execution\n\n## Announcement\n\nAnnouncement for this issue can be found at https://github.com/dotnet/announcements/issues/260\n\n### \u003ca name=\"mitigation-factors\"\u003e\u003c/a\u003eMitigation factors\n\nMicrosoft has not identified any mitigating factors for this vulnerability.\n\n## \u003ca name=\"affected-software\"\u003e\u003c/a\u003eAffected software\n\n* Any .NET 7.0 application running on .NET 7.0.5 or earlier.\n* Any .NET 6.0 application running on .NET 6.0.16 or earlier.\n\nIf your application uses the following package versions, ensure you update to the latest version of .NET.\n\n### \u003ca name=\".NET 7\"\u003e\u003c/a\u003e.NET 7\n\nPackage name | Affected version | Patched version\n------------ | ---------------- | -------------------------\n[Microsoft.NetCore.App.Runtime.win-arm](https://www.nuget.org/packages/Microsoft.NetCore.App.Runtime.win-arm) | \u003e= 7.0.0, \u003c= 7.0.5 | 7.0.7\n[Microsoft.NetCore.App.Runtime.win-arm64](https://www.nuget.org/packages/Microsoft.NetCore.App.Runtime.win-arm64) | \u003e= 7.0.0, \u003c= 7.0.5 | 7.0.7\n[Microsoft.NetCore.App.Runtime.win-x64](https://www.nuget.org/packages/Microsoft.NetCore.App.Runtime.win-x64) | \u003e= 7.0.0, \u003c= 7.0.5 | 7.0.7\n[Microsoft.NetCore.App.Runtime.win-x86](https://www.nuget.org/packages/Microsoft.NetCore.App.Runtime.win-x86) | \u003e= 7.0.0, \u003c= 7.0.5 | 7.0.7\n\n### \u003ca name=\".NET 6\"\u003e\u003c/a\u003e.NET 6\n\nPackage name | Affected version | Patched version\n------------ | ---------------- | -------------------------\n[Microsoft.NetCore.App.Runtime.win-arm](https://www.nuget.org/packages/Microsoft.NetCore.App.Runtime.win-arm) | \u003e= 6.0.0, \u003c= 6.0.16 | 6.0.18\n[Microsoft.NetCore.App.Runtime.win-arm64](https://www.nuget.org/packages/Microsoft.NetCore.App.Runtime.win-arm64) | \u003e= 6.0.0, \u003c= 6.0.16 | 6.0.18\n[Microsoft.NetCore.App.Runtime.win-x64](https://www.nuget.org/packages/Microsoft.NetCore.App.Runtime.win-x64) | \u003e= 6.0.0, \u003c= 6.0.16 | 6.0.18\n[Microsoft.NetCore.App.Runtime.win-x86](https://www.nuget.org/packages/Microsoft.NetCore.App.Runtime.win-x86) | \u003e= 6.0.0, \u003c= 6.0.16 | 6.0.18\n\n## Advisory FAQ\n\n### \u003ca name=\"how-affected\"\u003e\u003c/a\u003eHow do I know if I am affected?\n\nIf you have a runtime or SDK with a version listed, or an affected package listed in [affected software](#affected-software), you\u0027re exposed to the vulnerability.\n\n### \u003ca name=\"how-fix\"\u003e\u003c/a\u003eHow do I fix the issue?\n\n* To fix the issue please install the latest version of .NET 6.0 or .NET 7.0. 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.\n* If you are using one of the affected packages, please update to the patched version listed above.\n* 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;\n\n```\n.NET Core SDK (reflecting any global.json):\n\n Version: 6.0.300\n Commit: 8473146e7d\n\nRuntime Environment:\n\n OS Name: Windows\n OS Version: 10.0.18363\n OS Platform: Windows\n RID: win10-x64\n Base Path: C:\\Program Files\\dotnet\\sdk\\6.0.300\\\n\nHost (useful for support):\n\n Version: 6.0.5\n Commit: 8473146e7d\n\n.NET Core SDKs installed:\n\n 6.0.300 [C:\\Program Files\\dotnet\\sdk]\n\n.NET Core runtimes installed:\n\n Microsoft.AspNetCore.App 6.0.5 [C:\\Program Files\\dotnet\\shared\\Microsoft.AspNetCore.App]\n Microsoft.NETCore.App 6.0.5 [C:\\Program Files\\dotnet\\shared\\Microsoft.NETCore.App]\n Microsoft.WindowsDesktop.App 6.0.5 [C:\\Program Files\\dotnet\\shared\\Microsoft.WindowsDesktop.App]\n\nTo install additional .NET Core runtimes or SDKs:\n https://aka.ms/dotnet-download\n```\n\n* If you\u0027re using .NET 7.0, you should download and install Runtime 7.0.7 or SDK 7.0.106 (for Visual Studio 2022 v17.4) from https://dotnet.microsoft.com/download/dotnet-core/7.0.\n* If you\u0027re using .NET 6.0, you should download and install Runtime 6.0.18 or SDK 6.0.312 (for Visual Studio 2022 v17.2) from https://dotnet.microsoft.com/download/dotnet-core/6.0.\n\n.NET 6.0 and and .NET 7.0 updates are also available from Microsoft Update. To access this either type \"Check for updates\" in your Windows search, or open Settings, choose Update \u0026 Security and then click Check for Updates.\n\nOnce you have installed the updated runtime or SDK, restart your apps for the update to take effect.\n\nAdditionally, if you\u0027ve 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.\n\n## Other Information\n\n### Reporting Security Issues\n\nIf you have found a potential security issue in .NET 6.0 or .NET 7.0, please email details to secure@microsoft.com. Reports may qualify for the Microsoft .NET Core \u0026 .NET 5 Bounty. Details of the Microsoft .NET Bounty Program including terms and conditions are at \u003chttps://aka.ms/corebounty\u003e.\n\n### Support\n\nYou 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.\n\n### Disclaimer\n\nThe 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.\n\n### External Links\n\n[CVE-2023-24897]( https://www.cve.org/CVERecord?id=2023-24897)\n\n### Revisions\n\nV1.0 (June 13, 2023): Advisory published.\n\n_Version 1.0_\n\n_Last Updated 2023-06-13_",
"id": "GHSA-88q2-h5g3-p4pg",
"modified": "2023-06-14T17:01:16Z",
"published": "2023-06-14T17:01:16Z",
"references": [
{
"type": "WEB",
"url": "https://github.com/dotnet/runtime/security/advisories/GHSA-88q2-h5g3-p4pg"
},
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2023-24897"
},
{
"type": "WEB",
"url": "https://github.com/dotnet/announcements/issues/260"
},
{
"type": "PACKAGE",
"url": "https://github.com/dotnet/runtime"
},
{
"type": "WEB",
"url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-24897"
}
],
"schema_version": "1.4.0",
"severity": [
{
"score": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
"type": "CVSS_V3"
}
],
"summary": ".NET Remote Code Execution Vulnerability"
}
GHSA-88X7-8X6J-5JW9
Vulnerability from github – Published: 2026-04-09 00:31 – Updated: 2026-04-13 15:31Heap buffer overflow in WebML in Google Chrome prior to 147.0.7727.55 allowed a remote attacker to execute arbitrary code via a crafted HTML page. (Chromium security severity: Critical)
{
"affected": [],
"aliases": [
"CVE-2026-5858"
],
"database_specific": {
"cwe_ids": [
"CWE-122"
],
"github_reviewed": false,
"github_reviewed_at": null,
"nvd_published_at": "2026-04-08T22:16:25Z",
"severity": "HIGH"
},
"details": "Heap buffer overflow in WebML in Google Chrome prior to 147.0.7727.55 allowed a remote attacker to execute arbitrary code via a crafted HTML page. (Chromium security severity: Critical)",
"id": "GHSA-88x7-8x6j-5jw9",
"modified": "2026-04-13T15:31:10Z",
"published": "2026-04-09T00:31:59Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2026-5858"
},
{
"type": "WEB",
"url": "https://chromereleases.googleblog.com/2026/04/stable-channel-update-for-desktop.html"
},
{
"type": "WEB",
"url": "https://issues.chromium.org/issues/493319454"
}
],
"schema_version": "1.4.0",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
"type": "CVSS_V3"
}
]
}
GHSA-89JV-4G4V-PR3H
Vulnerability from github – Published: 2026-07-14 21:32 – Updated: 2026-07-14 21:32NVIDIA TensorRT contains a vulnerability where an attacker might cause a heap-based buffer overflow. A successful exploit of this vulnerability might lead to code execution.
{
"affected": [],
"aliases": [
"CVE-2026-24268"
],
"database_specific": {
"cwe_ids": [
"CWE-122"
],
"github_reviewed": false,
"github_reviewed_at": null,
"nvd_published_at": "2026-07-14T21:16:44Z",
"severity": "HIGH"
},
"details": "NVIDIA TensorRT contains a vulnerability where an attacker might cause a heap-based buffer overflow. A successful exploit of this vulnerability might lead to code execution.",
"id": "GHSA-89jv-4g4v-pr3h",
"modified": "2026-07-14T21:32:21Z",
"published": "2026-07-14T21:32:21Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2026-24268"
},
{
"type": "WEB",
"url": "https://nvidia.custhelp.com/app/answers/detail/a_id/5855"
},
{
"type": "WEB",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-24268"
}
],
"schema_version": "1.4.0",
"severity": [
{
"score": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
"type": "CVSS_V3"
}
]
}
GHSA-8C42-W55Q-GHCX
Vulnerability from github – Published: 2026-06-17 18:35 – Updated: 2026-07-08 18:31Heap-based Buffer Overflow vulnerability in RTI Connext Professional (Core Libraries) allows Overflow Variables and Tags.This issue affects Connext Professional: from 7.4.0 before 7.7.0, from 7.0.0 before 7.3.1.3, from 6.1.0 before 6.1., from 6.0.0 before 6.0., from 5.3.0 before 5.3., from 5.0.0 before 5.2..
{
"affected": [],
"aliases": [
"CVE-2026-2467"
],
"database_specific": {
"cwe_ids": [
"CWE-122"
],
"github_reviewed": false,
"github_reviewed_at": null,
"nvd_published_at": "2026-06-17T18:17:41Z",
"severity": "CRITICAL"
},
"details": "Heap-based Buffer Overflow vulnerability in RTI Connext Professional (Core Libraries) allows Overflow Variables and Tags.This issue affects Connext Professional: from 7.4.0 before 7.7.0, from 7.0.0 before 7.3.1.3, from 6.1.0 before 6.1.*, from 6.0.0 before 6.0.*, from 5.3.0 before 5.3.*, from 5.0.0 before 5.2.*.",
"id": "GHSA-8c42-w55q-ghcx",
"modified": "2026-07-08T18:31:31Z",
"published": "2026-06-17T18:35:57Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2026-2467"
},
{
"type": "WEB",
"url": "https://www.rti.com/vulnerabilities/#cve-2026-2467"
}
],
"schema_version": "1.4.0",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H",
"type": "CVSS_V3"
},
{
"score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:H/SC:N/SI:L/SA:H/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X",
"type": "CVSS_V4"
}
]
}
GHSA-8C44-H2JQ-C85W
Vulnerability from github – Published: 2026-07-14 18:32 – Updated: 2026-07-14 18:32Heap-based buffer overflow in Windows Web Proxy Auto-Discovery Protocol (WPAD) allows an authorized attacker to elevate privileges locally.
{
"affected": [],
"aliases": [
"CVE-2026-50480"
],
"database_specific": {
"cwe_ids": [
"CWE-122"
],
"github_reviewed": false,
"github_reviewed_at": null,
"nvd_published_at": "2026-07-14T18:17:53Z",
"severity": "HIGH"
},
"details": "Heap-based buffer overflow in Windows Web Proxy Auto-Discovery Protocol (WPAD) allows an authorized attacker to elevate privileges locally.",
"id": "GHSA-8c44-h2jq-c85w",
"modified": "2026-07-14T18:32:26Z",
"published": "2026-07-14T18:32:26Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2026-50480"
},
{
"type": "WEB",
"url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-50480"
}
],
"schema_version": "1.4.0",
"severity": [
{
"score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
"type": "CVSS_V3"
}
]
}
GHSA-8C77-JPRP-CXFJ
Vulnerability from github – Published: 2022-07-03 00:00 – Updated: 2022-07-09 00:00Heap-based Buffer Overflow in GitHub repository vim/vim prior to 9.0.
{
"affected": [],
"aliases": [
"CVE-2022-2284"
],
"database_specific": {
"cwe_ids": [
"CWE-122"
],
"github_reviewed": false,
"github_reviewed_at": null,
"nvd_published_at": "2022-07-02T15:15:00Z",
"severity": "HIGH"
},
"details": "Heap-based Buffer Overflow in GitHub repository vim/vim prior to 9.0.",
"id": "GHSA-8c77-jprp-cxfj",
"modified": "2022-07-09T00:00:24Z",
"published": "2022-07-03T00:00:24Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2022-2284"
},
{
"type": "WEB",
"url": "https://github.com/vim/vim/commit/3d51ce18ab1be4f9f6061568a4e7fabf00b21794"
},
{
"type": "WEB",
"url": "https://huntr.dev/bounties/571d25ce-8d53-4fa0-b620-27f2a8a14874"
},
{
"type": "WEB",
"url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/43Y3VJPOTTY3NTREDIFUPITM2POG4ZLP"
},
{
"type": "WEB",
"url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/UXPO5EHDV6J4B27E65DOQGZFELUFPRSK"
},
{
"type": "WEB",
"url": "https://security.gentoo.org/glsa/202208-32"
},
{
"type": "WEB",
"url": "https://security.gentoo.org/glsa/202305-16"
}
],
"schema_version": "1.4.0",
"severity": [
{
"score": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
"type": "CVSS_V3"
}
]
}
Mitigation
Pre-design: Use a language or compiler that performs automatic bounds checking.
Mitigation
Use an abstraction library to abstract away risky APIs. Not a complete solution.
Mitigation MIT-10
Strategy: Environment Hardening
- Use automatic buffer overflow detection mechanisms that are offered by certain compilers or compiler extensions. Examples include: the Microsoft Visual Studio /GS flag, Fedora/Red Hat FORTIFY_SOURCE GCC flag, StackGuard, and ProPolice, which provide various mechanisms including canary-based detection and range/index checking.
- D3-SFCV (Stack Frame Canary Validation) from D3FEND [REF-1334] discusses canary-based detection in detail.
Mitigation MIT-11
Strategy: Environment Hardening
- Run or compile the software using features or extensions that randomly arrange the positions of a program's executable and libraries in memory. Because this makes the addresses unpredictable, it can prevent an attacker from reliably jumping to exploitable code.
- Examples include Address Space Layout Randomization (ASLR) [REF-58] [REF-60] and Position-Independent Executables (PIE) [REF-64]. Imported modules may be similarly realigned if their default memory addresses conflict with other modules, in a process known as "rebasing" (for Windows) and "prelinking" (for Linux) [REF-1332] using randomly generated addresses. ASLR for libraries cannot be used in conjunction with prelink since it would require relocating the libraries at run-time, defeating the whole purpose of prelinking.
- For more information on these techniques see D3-SAOR (Segment Address Offset Randomization) from D3FEND [REF-1335].
Mitigation
Implement and perform bounds checking on input.
Mitigation
Strategy: Libraries or Frameworks
Do not use dangerous functions such as gets. Look for their safe equivalent, which checks for the boundary.
Mitigation
Use OS-level preventative functionality. This is not a complete solution, but it provides some defense in depth.
CAPEC-92: Forced Integer Overflow
This attack forces an integer variable to go out of range. The integer variable is often used as an offset such as size of memory allocation or similarly. The attacker would typically control the value of such variable and try to get it out of range. For instance the integer in question is incremented past the maximum possible value, it may wrap to become a very small, or negative number, therefore providing a very incorrect value which can lead to unexpected behavior. At worst the attacker can execute arbitrary code.