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CVE-2026-69651

CVE-2026-69651 · .NET Denial of Service Vulnerability

This page contains facts from public vulnerability sources. Check the original advisory before updating.

Inefficient algorithmic complexity in .NET allows an unauthorized attacker to deny service over a network.

CVSS 7.5 · High · EPSS 1.1% · Fix available

Published
Updated

Stack: system

Affected products and versions

  • .net 10.0 runtime

    Versions
    • ≥ 10.0.0, < 10.0.13: Affected (custom)

    Update to 10.0.13

  • .net 11.0 runtime

    Versions
    • ≥ 11.0.0, < 11.0.0-rc.2: Affected (custom)

    No fix published

  • .net 8.0 runtime

    Versions
    • ≥ 8.0.0, < 8.0.32: Affected (custom)

    Update to 8.0.32

  • .net 9.0 runtime

    Versions
    • ≥ 9.0.0, < 9.0.21: Affected (custom)

    Update to 9.0.21

  • microsoft .net framework 3.5

    Versions
    • ≥ 3.5.0, < 2.0.50727.9188 AND 3.0.30729.9171: Affected (custom)

    No fix published

  • microsoft .net framework 3.5 and 4.6.2/4.7/4.7.1/4.7.2

    Versions
    • ≥ 3.0.0.0, < 2.0.50727.8987 AND 3.0.30729.8982 AND 4.7.4150.0: Affected (custom)

    No fix published

  • microsoft .net framework 3.5 and 4.7.2

    Versions
    • ≥ 4.7.0, < 2.0.50727.9073 AND 3.0.30729.9070 AND 4.7.4150.0: Affected (custom)

    No fix published

  • microsoft .net framework 3.5 and 4.8

    Versions
    • ≥ 4.8.0, < 2.0.50727.9073 AND 3.0.30729.9070 AND 4.8.4811.0: Affected (custom)

    No fix published

  • microsoft .net framework 3.5 and 4.8.1

    Versions
    • ≥ 4.8.1, < 2.0.50727.9188 AND 3.0.30729.9171 AND 4.8.9363.0: Affected (custom)

    No fix published

  • microsoft .net framework 4.6.2/4.7/4.7.1/4.7.2

    Versions
    • ≥ 4.7.0, < 4.7.4150.0: Affected (custom)

    Update to 4.7.4150.0

  • microsoft .net framework 4.8

    Versions
    • ≥ 4.8.0, < 4.8.4811.0: Affected (custom)

    Update to 4.8.4811.0

  • microsoft .net framework 4.8.1

    Versions
    • ≥ 4.8.0.0, < 4.8.9363.0: Affected (custom)

    Update to 4.8.9363.0

  • microsoft visual studio 2022 version 17.14

    Versions
    • ≥ 17.14.0, < 17.14.42: Affected (custom)

    Update to 17.14.42

  • microsoft visual studio 2026 version 18.10

    Versions
    • ≥ 18.10.0, < 18.10.4: Affected (custom)

    Update to 18.10.4

  • dotnet6 Ubuntu:22.04:LTS

    Versions
    • 6.0.108-0ubuntu1~22.04.1
    • 6.0.109-0ubuntu1~22.04.1
    • 6.0.110-0ubuntu1~22.04.1
    • 6.0.111-0ubuntu1~22.04.1
    • 6.0.113-0ubuntu1~22.04.1
    • 6.0.116-0ubuntu1~22.04.1
    • 6.0.118-0ubuntu1~22.04.1
    • 6.0.119-0ubuntu1~22.04.1
    • 6.0.120-0ubuntu1~22.04.1
    • 6.0.121-0ubuntu1~22.04.1
    • 6.0.122-0ubuntu1~22.04.1
    • 6.0.123-0ubuntu1~22.04.1
    • 6.0.124-0ubuntu1~22.04.1
    • 6.0.125-0ubuntu1~22.04.1
    • 6.0.126-0ubuntu1~22.04.1
    • 6.0.127-0ubuntu1~22.04.1
    • 6.0.128-0ubuntu1~22.04.2
    • 6.0.132-0ubuntu1~22.04.1
    • 6.0.133-0ubuntu1~22.04.1
    • 6.0.135-0ubuntu1~22.04.1
    • 6.0.136-0ubuntu1~22.04.1
    Affected ranges
    • ECOSYSTEM: (−∞, +∞)

    No fix published

  • dotnet7 Ubuntu:22.04:LTS

    Versions
    • 7.0.105-0ubuntu1~22.04.1
    • 7.0.107-0ubuntu1~22.04.1
    • 7.0.108-0ubuntu1~22.04.1
    • 7.0.109-0ubuntu1~22.04.1
    • 7.0.110-0ubuntu1~22.04.1
    • 7.0.111-0ubuntu1~22.04.1
    • 7.0.112-0ubuntu1~22.04.1
    • 7.0.113-0ubuntu1~22.04.1
    • 7.0.114-0ubuntu1~22.04.1
    • 7.0.115-0ubuntu1~22.04.1
    • 7.0.116-0ubuntu1~22.04.1
    • 7.0.117-0ubuntu1~22.04.1
    • 7.0.117-0ubuntu1~22.04.2
    • 7.0.119-0ubuntu1~22.04.1
    Affected ranges
    • ECOSYSTEM: (−∞, +∞)

    No fix published

  • dotnet8 Ubuntu:22.04:LTS

    Versions
    • 8.0.102-8.0.2-0ubuntu1~22.04.1
    • 8.0.103-8.0.3-0ubuntu1~22.04.1
    • 8.0.103-8.0.3-0ubuntu1~22.04.2
    • 8.0.105-8.0.5-0ubuntu1~22.04.1
    • 8.0.107-8.0.7-0ubuntu1~22.04.1
    • 8.0.108-8.0.8-0ubuntu1~22.04.1
    • 8.0.110-8.0.10-0ubuntu1~22.04.1
    • 8.0.111-8.0.11-0ubuntu1~22.04.1
    • 8.0.112-8.0.12-0ubuntu1~22.04.1
    • 8.0.114-8.0.14-0ubuntu1~22.04.1
    • 8.0.115-8.0.15-0ubuntu1~22.04.1
    • 8.0.116-8.0.16-0ubuntu1~22.04.1
    • 8.0.117-8.0.17-0ubuntu1~22.04.1
    • 8.0.118-8.0.18-0ubuntu1~22.04.1
    • 8.0.119-8.0.19-0ubuntu1~22.04.1
    • 8.0.120-8.0.20-0ubuntu1~22.04.1
    • 8.0.121-8.0.21-0ubuntu1~22.04.1
    • 8.0.122-8.0.22-0ubuntu1~22.04.1
    • 8.0.123-8.0.23-0ubuntu1~22.04.1
    • 8.0.124-8.0.24-0ubuntu1~22.04.1
    • 8.0.125-8.0.25-0ubuntu1~22.04.1
    • 8.0.126-8.0.26-0ubuntu1~22.04.1
    • 8.0.127-8.0.27-0ubuntu1~22.04.1
    • 8.0.128-8.0.28-0ubuntu1~22.04.1
    • 8.0.129-8.0.29-0ubuntu1~22.04.1
    • 8.0.130-8.0.30-0ubuntu1~22.04.1
    • 8.0.131-8.0.31-0ubuntu1~22.04.1
    Affected ranges
    • ECOSYSTEM: < 8.0.132-8.0.32-0ubuntu1~22.04.1

    Update to 8.0.132-8.0.32-0ubuntu1~22.04.1

  • dotnet10 Ubuntu:24.04:LTS

    Versions
    • 10.0.100-10.0.0-0ubuntu1~24.04.1
    • 10.0.101-10.0.1-0ubuntu1~24.04.2
    • 10.0.103-10.0.3-0ubuntu1~24.04.1
    • 10.0.104-10.0.4-0ubuntu1~24.04.1
    • 10.0.105-10.0.5-0ubuntu1~24.04.1
    • 10.0.106-10.0.6-0ubuntu1~24.04.1
    • 10.0.107-10.0.7-0ubuntu1~24.04.1
    • 10.0.108-10.0.8-0ubuntu1~24.04.1
    • 10.0.109-10.0.9-0ubuntu1~24.04.1
    • 10.0.110-10.0.10-0ubuntu1~24.04.1
    • 10.0.111-10.0.11-0ubuntu1~24.04.1
    • 10.0.112-10.0.12-0ubuntu1~24.04.1
    Affected ranges
    • ECOSYSTEM: < 10.0.113-10.0.13-0ubuntu1~24.04.1

    Update to 10.0.113-10.0.13-0ubuntu1~24.04.1

  • dotnet8 Ubuntu:24.04:LTS

    Versions
    • 8.0.100-8.0.0~rc1-0ubuntu1
    • 8.0.100-8.0.0~rc2-0ubuntu1
    • 8.0.100-8.0.0~rc2-0ubuntu2
    • 8.0.100-8.0.0-0ubuntu1
    • 8.0.100-8.0.0-0ubuntu2
    • 8.0.101-8.0.1-0ubuntu1
    • 8.0.101-8.0.1-0ubuntu2
    • 8.0.102-8.0.2-0ubuntu1
    • 8.0.103-8.0.3-0ubuntu2
    • 8.0.103-8.0.3-0ubuntu3
    • 8.0.104-8.0.4-0ubuntu1
    • 8.0.105-8.0.5-0ubuntu1~24.04.1
    • 8.0.107-8.0.7-0ubuntu1~24.04.1
    • 8.0.108-8.0.8-0ubuntu1~24.04.1
    • 8.0.108-8.0.8-0ubuntu1~24.04.2
    • 8.0.110-8.0.10-0ubuntu1~24.04.1
    • 8.0.111-8.0.11-0ubuntu1~24.04.1
    • 8.0.112-8.0.12-0ubuntu1~24.04.1
    • 8.0.114-8.0.14-0ubuntu1~24.04.1
    • 8.0.115-8.0.15-0ubuntu1~24.04.1
    • 8.0.116-8.0.16-0ubuntu1~24.04.1
    • 8.0.117-8.0.17-0ubuntu1~24.04.1
    • 8.0.118-8.0.18-0ubuntu1~24.04.1
    • 8.0.119-8.0.19-0ubuntu1~24.04.1
    • 8.0.120-8.0.20-0ubuntu1~24.04.1
    • 8.0.121-8.0.21-0ubuntu1~24.04.1
    • 8.0.122-8.0.22-0ubuntu1~24.04.1
    • 8.0.123-8.0.23-0ubuntu1~24.04.1
    • 8.0.124-8.0.24-0ubuntu1~24.04.1
    • 8.0.125-8.0.25-0ubuntu1~24.04.1
    • 8.0.126-8.0.26-0ubuntu1~24.04.1
    • 8.0.127-8.0.27-0ubuntu1~24.04.1
    • 8.0.128-8.0.28-0ubuntu1~24.04.1
    • 8.0.129-8.0.29-0ubuntu1~24.04.1
    • 8.0.130-8.0.30-0ubuntu1~24.04.1
    • 8.0.131-8.0.31-0ubuntu1~24.04.1
    Affected ranges
    • ECOSYSTEM: < 8.0.132-8.0.32-0ubuntu1~24.04.1

    Update to 8.0.132-8.0.32-0ubuntu1~24.04.1

  • dotnet10 Ubuntu:26.10

    Versions
    • 10.0.105-10.0.5-0ubuntu1
    • 10.0.107-10.0.7-0ubuntu1~26.04.1
    • 10.0.108-10.0.8-0ubuntu1
    • 10.0.109-10.0.9-0ubuntu1
    • 10.0.110-10.0.10-0ubuntu3
    • 10.0.111-10.0.11-0ubuntu1
    • 10.0.112-10.0.12-0ubuntu1
    • 10.0.112-10.0.12-0ubuntu2
    Affected ranges
    • ECOSYSTEM: < 10.0.113-10.0.13-0ubuntu1~26.10.1

    Update to 10.0.113-10.0.13-0ubuntu1~26.10.1

  • dotnet11 Ubuntu:26.10

    Versions
    • 11.0.100-11.0.0~rc1-0ubuntu1
    Affected ranges
    • ECOSYSTEM: < 11.0.100-11.0.0~rc2-0ubuntu1~26.10.1

    Update to 11.0.100-11.0.0~rc2-0ubuntu1~26.10.1

  • dotnet10 Ubuntu:26.04:LTS

    Versions
    • 10.0.100-10.0.0~rc1-0ubuntu1
    • 10.0.100-10.0.0~rc2-0ubuntu1
    • 10.0.100-10.0.0-0ubuntu1
    • 10.0.100-10.0.0-0ubuntu2
    • 10.0.101-10.0.1-0ubuntu1
    • 10.0.101-10.0.1-0ubuntu2
    • 10.0.101-10.0.1-0ubuntu3
    • 10.0.102-10.0.2-0ubuntu1
    • 10.0.103-10.0.3-0ubuntu1
    • 10.0.104-10.0.4-0ubuntu1
    • 10.0.105-10.0.5-0ubuntu1
    • 10.0.107-10.0.7-0ubuntu1~26.04.1
    • 10.0.108-10.0.8-0ubuntu1~26.04.1
    • 10.0.109-10.0.9-0ubuntu1~26.04.1
    • 10.0.110-10.0.10-0ubuntu1~26.04.1
    • 10.0.111-10.0.11-0ubuntu1~26.04.1
    • 10.0.112-10.0.12-0ubuntu1~26.04.1
    Affected ranges
    • ECOSYSTEM: < 10.0.113-10.0.13-0ubuntu1~26.04.1

    Update to 10.0.113-10.0.13-0ubuntu1~26.04.1

Original sources

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