CVE catalog
CVE-2025-26682
UBUNTU-CVE-2025-26682
- Severity
- High · CVSS 7.5
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Published
- Updated
- Source
- [NVD] · [CVE record]
- EPSS
- 1.71% · Oct 25, 2026
James Newton-King discovered that .NET did not properly limit resource allocation when handling certain HTTP/3 requests. An attacker could possibly use this issue to cause a denial of service.
Vulnerable and fixed packages
Distribution-reported package versions and fixes. These do not depend on matching against the OpenFactory package catalog.
| Distribution | Package | Release | Version | Status |
|---|---|---|---|---|
| Ubuntu | dotnet8 | 22.04 | 8.0.102-8.0.2-0ubuntu1~22.04.1 | vulnerable |
| Ubuntu | dotnet8 | 22.04 | 8.0.103-8.0.3-0ubuntu1~22.04.1 | vulnerable |
| Ubuntu | dotnet8 | 22.04 | 8.0.103-8.0.3-0ubuntu1~22.04.2 | vulnerable |
| Ubuntu | dotnet8 | 22.04 | 8.0.105-8.0.5-0ubuntu1~22.04.1 | vulnerable |
| Ubuntu | dotnet8 | 22.04 | 8.0.107-8.0.7-0ubuntu1~22.04.1 | vulnerable |
| Ubuntu | dotnet8 | 22.04 | 8.0.108-8.0.8-0ubuntu1~22.04.1 | vulnerable |
| Ubuntu | dotnet8 | 22.04 | 8.0.110-8.0.10-0ubuntu1~22.04.1 | vulnerable |
| Ubuntu | dotnet8 | 22.04 | 8.0.111-8.0.11-0ubuntu1~22.04.1 | vulnerable |
| Ubuntu | dotnet8 | 22.04 | 8.0.112-8.0.12-0ubuntu1~22.04.1 | vulnerable |
| Ubuntu | dotnet8 | 22.04 | 8.0.114-8.0.14-0ubuntu1~22.04.1 | vulnerable |
| Ubuntu | dotnet8 | 22.04 | 8.0.115-8.0.15-0ubuntu1~22.04.1 | fixed |
| Ubuntu | dotnet8 | 24.04 | 8.0.100-8.0.0~rc1-0ubuntu1 | vulnerable |
| Ubuntu | dotnet8 | 24.04 | 8.0.100-8.0.0~rc2-0ubuntu1 | vulnerable |
| Ubuntu | dotnet8 | 24.04 | 8.0.100-8.0.0~rc2-0ubuntu2 | vulnerable |
| Ubuntu | dotnet8 | 24.04 | 8.0.100-8.0.0-0ubuntu1 | vulnerable |
| Ubuntu | dotnet8 | 24.04 | 8.0.100-8.0.0-0ubuntu2 | vulnerable |
| Ubuntu | dotnet8 | 24.04 | 8.0.101-8.0.1-0ubuntu1 | vulnerable |
| Ubuntu | dotnet8 | 24.04 | 8.0.101-8.0.1-0ubuntu2 | vulnerable |
| Ubuntu | dotnet8 | 24.04 | 8.0.102-8.0.2-0ubuntu1 | vulnerable |
| Ubuntu | dotnet8 | 24.04 | 8.0.103-8.0.3-0ubuntu2 | vulnerable |
| Ubuntu | dotnet8 | 24.04 | 8.0.103-8.0.3-0ubuntu3 | vulnerable |
| Ubuntu | dotnet8 | 24.04 | 8.0.104-8.0.4-0ubuntu1 | vulnerable |
| Ubuntu | dotnet8 | 24.04 | 8.0.105-8.0.5-0ubuntu1~24.04.1 | vulnerable |
| Ubuntu | dotnet8 | 24.04 | 8.0.107-8.0.7-0ubuntu1~24.04.1 | vulnerable |
| Ubuntu | dotnet8 | 24.04 | 8.0.108-8.0.8-0ubuntu1~24.04.1 | vulnerable |
| Ubuntu | dotnet8 | 24.04 | 8.0.108-8.0.8-0ubuntu1~24.04.2 | vulnerable |
| Ubuntu | dotnet8 | 24.04 | 8.0.110-8.0.10-0ubuntu1~24.04.1 | vulnerable |
| Ubuntu | dotnet8 | 24.04 | 8.0.111-8.0.11-0ubuntu1~24.04.1 | vulnerable |
| Ubuntu | dotnet8 | 24.04 | 8.0.112-8.0.12-0ubuntu1~24.04.1 | vulnerable |
| Ubuntu | dotnet8 | 24.04 | 8.0.114-8.0.14-0ubuntu1~24.04.1 | vulnerable |
| Ubuntu | dotnet8 | 24.04 | 8.0.115-8.0.15-0ubuntu1~24.04.1 | fixed |
| Ubuntu | dotnet6 | 22.04 | 6.0.108-0ubuntu1~22.04.1 | vulnerable |
| Ubuntu | dotnet6 | 22.04 | 6.0.109-0ubuntu1~22.04.1 | vulnerable |
| Ubuntu | dotnet6 | 22.04 | 6.0.110-0ubuntu1~22.04.1 | vulnerable |
| Ubuntu | dotnet6 | 22.04 | 6.0.111-0ubuntu1~22.04.1 | vulnerable |
| Ubuntu | dotnet6 | 22.04 | 6.0.113-0ubuntu1~22.04.1 | vulnerable |
| Ubuntu | dotnet6 | 22.04 | 6.0.116-0ubuntu1~22.04.1 | vulnerable |
| Ubuntu | dotnet6 | 22.04 | 6.0.118-0ubuntu1~22.04.1 | vulnerable |
| Ubuntu | dotnet6 | 22.04 | 6.0.119-0ubuntu1~22.04.1 | vulnerable |
| Ubuntu | dotnet6 | 22.04 | 6.0.120-0ubuntu1~22.04.1 | vulnerable |
| Ubuntu | dotnet6 | 22.04 | 6.0.121-0ubuntu1~22.04.1 | vulnerable |
| Ubuntu | dotnet6 | 22.04 | 6.0.122-0ubuntu1~22.04.1 | vulnerable |
| Ubuntu | dotnet6 | 22.04 | 6.0.123-0ubuntu1~22.04.1 | vulnerable |
| Ubuntu | dotnet6 | 22.04 | 6.0.124-0ubuntu1~22.04.1 | vulnerable |
| Ubuntu | dotnet6 | 22.04 | 6.0.125-0ubuntu1~22.04.1 | vulnerable |
| Ubuntu | dotnet6 | 22.04 | 6.0.126-0ubuntu1~22.04.1 | vulnerable |
| Ubuntu | dotnet6 | 22.04 | 6.0.127-0ubuntu1~22.04.1 | vulnerable |
| Ubuntu | dotnet6 | 22.04 | 6.0.128-0ubuntu1~22.04.2 | vulnerable |
| Ubuntu | dotnet6 | 22.04 | 6.0.132-0ubuntu1~22.04.1 | vulnerable |
| Ubuntu | dotnet6 | 22.04 | 6.0.133-0ubuntu1~22.04.1 | vulnerable |
| Ubuntu | dotnet6 | 22.04 | 6.0.135-0ubuntu1~22.04.1 | vulnerable |
| Ubuntu | dotnet6 | 22.04 | 6.0.136-0ubuntu1~22.04.1 | vulnerable |
| Ubuntu | dotnet7 | 22.04 | 7.0.105-0ubuntu1~22.04.1 | vulnerable |
| Ubuntu | dotnet7 | 22.04 | 7.0.107-0ubuntu1~22.04.1 | vulnerable |
| Ubuntu | dotnet7 | 22.04 | 7.0.108-0ubuntu1~22.04.1 | vulnerable |
| Ubuntu | dotnet7 | 22.04 | 7.0.109-0ubuntu1~22.04.1 | vulnerable |
| Ubuntu | dotnet7 | 22.04 | 7.0.110-0ubuntu1~22.04.1 | vulnerable |
| Ubuntu | dotnet7 | 22.04 | 7.0.111-0ubuntu1~22.04.1 | vulnerable |
| Ubuntu | dotnet7 | 22.04 | 7.0.112-0ubuntu1~22.04.1 | vulnerable |
| Ubuntu | dotnet7 | 22.04 | 7.0.113-0ubuntu1~22.04.1 | vulnerable |
| Ubuntu | dotnet7 | 22.04 | 7.0.114-0ubuntu1~22.04.1 | vulnerable |
| Ubuntu | dotnet7 | 22.04 | 7.0.115-0ubuntu1~22.04.1 | vulnerable |
| Ubuntu | dotnet7 | 22.04 | 7.0.116-0ubuntu1~22.04.1 | vulnerable |
| Ubuntu | dotnet7 | 22.04 | 7.0.117-0ubuntu1~22.04.1 | vulnerable |
| Ubuntu | dotnet7 | 22.04 | 7.0.117-0ubuntu1~22.04.2 | vulnerable |
| Ubuntu | dotnet7 | 22.04 | 7.0.119-0ubuntu1~22.04.1 | vulnerable |
| Ubuntu | dotnet8 | 22.04 | 8.0.102-8.0.2-0ubuntu1~22.04.1 | vulnerable |
| Ubuntu | dotnet8 | 22.04 | 8.0.103-8.0.3-0ubuntu1~22.04.1 | vulnerable |
| Ubuntu | dotnet8 | 22.04 | 8.0.103-8.0.3-0ubuntu1~22.04.2 | vulnerable |
| Ubuntu | dotnet8 | 22.04 | 8.0.105-8.0.5-0ubuntu1~22.04.1 | vulnerable |
| Ubuntu | dotnet8 | 22.04 | 8.0.107-8.0.7-0ubuntu1~22.04.1 | vulnerable |
| Ubuntu | dotnet8 | 22.04 | 8.0.108-8.0.8-0ubuntu1~22.04.1 | vulnerable |
| Ubuntu | dotnet8 | 22.04 | 8.0.110-8.0.10-0ubuntu1~22.04.1 | vulnerable |
| Ubuntu | dotnet8 | 22.04 | 8.0.111-8.0.11-0ubuntu1~22.04.1 | vulnerable |
| Ubuntu | dotnet8 | 22.04 | 8.0.112-8.0.12-0ubuntu1~22.04.1 | vulnerable |
| Ubuntu | dotnet8 | 22.04 | 8.0.114-8.0.14-0ubuntu1~22.04.1 | vulnerable |
| Ubuntu | dotnet8 | 22.04 | 8.0.115-8.0.15-0ubuntu1~22.04.1 | fixed |
| Ubuntu | dotnet8 | 24.04 | 8.0.100-8.0.0~rc1-0ubuntu1 | vulnerable |
| Ubuntu | dotnet8 | 24.04 | 8.0.100-8.0.0~rc2-0ubuntu1 | vulnerable |
| Ubuntu | dotnet8 | 24.04 | 8.0.100-8.0.0~rc2-0ubuntu2 | vulnerable |
| Ubuntu | dotnet8 | 24.04 | 8.0.100-8.0.0-0ubuntu1 | vulnerable |
| Ubuntu | dotnet8 | 24.04 | 8.0.100-8.0.0-0ubuntu2 | vulnerable |
| Ubuntu | dotnet8 | 24.04 | 8.0.101-8.0.1-0ubuntu1 | vulnerable |
| Ubuntu | dotnet8 | 24.04 | 8.0.101-8.0.1-0ubuntu2 | vulnerable |
| Ubuntu | dotnet8 | 24.04 | 8.0.102-8.0.2-0ubuntu1 | vulnerable |
| Ubuntu | dotnet8 | 24.04 | 8.0.103-8.0.3-0ubuntu2 | vulnerable |
| Ubuntu | dotnet8 | 24.04 | 8.0.103-8.0.3-0ubuntu3 | vulnerable |
| Ubuntu | dotnet8 | 24.04 | 8.0.104-8.0.4-0ubuntu1 | vulnerable |
| Ubuntu | dotnet8 | 24.04 | 8.0.105-8.0.5-0ubuntu1~24.04.1 | vulnerable |
| Ubuntu | dotnet8 | 24.04 | 8.0.107-8.0.7-0ubuntu1~24.04.1 | vulnerable |
| Ubuntu | dotnet8 | 24.04 | 8.0.108-8.0.8-0ubuntu1~24.04.1 | vulnerable |
| Ubuntu | dotnet8 | 24.04 | 8.0.108-8.0.8-0ubuntu1~24.04.2 | vulnerable |
| Ubuntu | dotnet8 | 24.04 | 8.0.110-8.0.10-0ubuntu1~24.04.1 | vulnerable |
| Ubuntu | dotnet8 | 24.04 | 8.0.111-8.0.11-0ubuntu1~24.04.1 | vulnerable |
| Ubuntu | dotnet8 | 24.04 | 8.0.112-8.0.12-0ubuntu1~24.04.1 | vulnerable |
| Ubuntu | dotnet8 | 24.04 | 8.0.114-8.0.14-0ubuntu1~24.04.1 | vulnerable |
| Ubuntu | dotnet8 | 24.04 | 8.0.115-8.0.15-0ubuntu1~24.04.1 | fixed |
| Ubuntu | dotnet8 | 25.10 | 8.0.115-8.0.15-0ubuntu1 | fixed |
| Ubuntu | dotnet9 | 25.10 | 9.0.105-9.0.4-0ubuntu1 | fixed |
Fixed-version evidence
| Distribution | Package | Type | Release | Fixed version | Urgency | Origin | Bugs |
|---|---|---|---|---|---|---|---|
| Ubuntu | dotnet8 | deb | 22.04 | 8.0.115-8.0.15-0ubuntu1~22.04.1 | Not reported | USN-7427-1 | Not reported |
| Ubuntu | dotnet8 | deb | 24.04 | 8.0.115-8.0.15-0ubuntu1~24.04.1 | Not reported | USN-7427-1 | Not reported |
| Ubuntu | dotnet8 | deb | 22.04 | 8.0.115-8.0.15-0ubuntu1~22.04.1 | Not reported | UBUNTU-CVE-2025-26682 | Not reported |
| Ubuntu | dotnet8 | deb | 24.04 | 8.0.115-8.0.15-0ubuntu1~24.04.1 | Not reported | UBUNTU-CVE-2025-26682 | Not reported |
| Ubuntu | dotnet8 | deb | 25.10 | 8.0.115-8.0.15-0ubuntu1 | Not reported | UBUNTU-CVE-2025-26682 | Not reported |
| Ubuntu | dotnet9 | deb | 25.10 | 9.0.105-9.0.4-0ubuntu1 | Not reported | UBUNTU-CVE-2025-26682 | Not reported |
OpenFactory catalog packages
No matching packages in this catalog.
Observed: