GHSA-v3f6-m9j2-437p

Suggest an improvement
Source
https://github.com/advisories/GHSA-v3f6-m9j2-437p
Import Source
https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2026/09/GHSA-v3f6-m9j2-437p/GHSA-v3f6-m9j2-437p.json
JSON Data
https://api.osv.dev/v1/vulns/GHSA-v3f6-m9j2-437p
Withdrawn
2026-09-08T21:14:33Z
Published
2026-09-08T18:32:21Z
Modified
2026-09-08T21:30:06Z
Severity
  • 5.9 (Medium) CVSS_V3 - CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H CVSS Calculator
Summary
Duplicate Advisory: Microsoft Security Advisory CVE-2026-69304 – ASP.NET Core Denial of Service Vulnerability
Details

Duplicate Advisory

This advisory has been withdrawn because it is a duplicate of GHSA-8cp2-47hg-mfgh. This link is maintained to preserve external references.

Original Description

Improper handling of highly compressed data (data amplification) in ASP.NET Core allows an unauthorized attacker to deny service over a network.

Database specific 
{
    "cwe_ids": [
        "CWE-409"
    ],
    "github_reviewed": true,
    "github_reviewed_at": "2026-09-08T21:14:33Z",
    "nvd_published_at": "2026-09-08T18:18:46Z",
    "severity": "MODERATE"
}
References

Affected packages

NuGet
Microsoft.AspNetCore.Server.IISIntegration

Package

Name
Microsoft.AspNetCore.Server.IISIntegration
View open source insights on deps.dev
Purl
pkg:nuget/Microsoft.AspNetCore.Server.IISIntegration

Affected ranges

Type
ECOSYSTEM
Events
Introduced
11.0.0-preview.1
Fixed
11.0.0-rc.1

Database specific

source 
"https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2026/09/GHSA-v3f6-m9j2-437p/GHSA-v3f6-m9j2-437p.json"
Microsoft.AspNetCore.Server.IISIntegration

Package

Name
Microsoft.AspNetCore.Server.IISIntegration
View open source insights on deps.dev
Purl
pkg:nuget/Microsoft.AspNetCore.Server.IISIntegration

Affected ranges

Type
ECOSYSTEM
Events
Introduced
8.0.0
Fixed
8.0.31

Database specific

last_known_affected_version_range 
"<= 8.0.30"
source 
"https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2026/09/GHSA-v3f6-m9j2-437p/GHSA-v3f6-m9j2-437p.json"
Microsoft.AspNetCore.Server.IISIntegration

Package

Name
Microsoft.AspNetCore.Server.IISIntegration
View open source insights on deps.dev
Purl
pkg:nuget/Microsoft.AspNetCore.Server.IISIntegration

Affected ranges

Type
ECOSYSTEM
Events
Introduced
9.0.0
Fixed
9.0.20

Database specific

last_known_affected_version_range 
"<= 9.0.19"
source 
"https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2026/09/GHSA-v3f6-m9j2-437p/GHSA-v3f6-m9j2-437p.json"
Microsoft.AspNetCore.Server.IISIntegration

Package

Name
Microsoft.AspNetCore.Server.IISIntegration
View open source insights on deps.dev
Purl
pkg:nuget/Microsoft.AspNetCore.Server.IISIntegration

Affected ranges

Type
ECOSYSTEM
Events
Introduced
10.0.0
Fixed
10.0.12

Database specific

last_known_affected_version_range 
"<= 10.0.11"
source 
"https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2026/09/GHSA-v3f6-m9j2-437p/GHSA-v3f6-m9j2-437p.json"