CVE-2026-25667

Source
https://cve.org/CVERecord?id=CVE-2026-25667
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-25667.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2026-25667
Aliases
Downstream
MINI (2)
Published
2026-03-19T00:00:00Z
Modified
2026-10-22T02:48:49Z
Severity
  • 7.5 (High) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H CVSS Calculator
Summary
[none]
Details

ASP.NET Core Kestrel in Microsoft .NET 8.0 before 8.0.22 and .NET 9.0 before 9.0.11 allows a remote attacker to cause excessive CPU consumption by sending a crafted QUIC packet, because of an incorrect exit condition for HTTP/3 Encoder/Decoder stream processing.

Database specific
{
    "cna_assigner":  "mitre",
    "osv_generated_from":  "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/25xxx/CVE-2026-25667.json"
}
References

Affected packages

Git / github.com/dotnet/aspnetcore

Affected ranges

Type
GIT
Repo
https://github.com/dotnet/aspnetcore
Events
Database specific
Show details
{
    "extracted_events":  [
        {
            "cpe":  "cpe:2.3:a:microsoft:.net:*:*:*:*:*:*:*:*",
            "range":  [
                {
                    "introduced":  "8.0.0"
                },
                {
                    "fixed":  "8.0.22"
                }
            ],
            "source":  "CPE_RANGE"
        },
        {
            "cpe":  "cpe:2.3:a:microsoft:.net:*:*:*:*:*:*:*:*",
            "range":  [
                {
                    "introduced":  "9.0.0"
                },
                {
                    "fixed":  "9.0.11"
                }
            ],
            "source":  "CPE_RANGE"
        },
        {
            "range":  [
                {
                    "fixed":  "96ccc40a0e095424b19506e8268b9b1a3e23d6a7"
                }
            ],
            "source":  "REFERENCES_COMMIT"
        }
    ]
}

Affected versions

v8.*
v8.0.0
v8.0.1
v8.0.10
v8.0.11
v8.0.12
v8.0.13
v8.0.14
v8.0.15
v8.0.16
v8.0.17
v8.0.18
v8.0.19
v8.0.2
v8.0.20
v8.0.21
v8.0.3
v8.0.4
v8.0.5
v8.0.7
v8.0.8

Database specific

source
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-25667.json"