{"id":"CVE-2026-58280","title":"Uncontrolled recursion in .NET allows an unauthorized attacker to deny service over a network.","summary":"Uncontrolled recursion in .NET allows an unauthorized attacker to deny service over a network.","severity":"high","cvss":7.5,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","cwe":["CWE-674","CWE-776"],"published":"2026-10-13","updated":"2026-10-13","sourceUpdated":"2026-10-13T22:17:38.107","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-58280","references":[{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-58280","label":"secure@microsoft.com"},{"url":"https://github.com/dotnet/runtime/security/advisories/GHSA-mc4q-93x5-f6hj"},{"url":"https://github.com/dotnet/announcements/issues/447"},{"url":"https://github.com/dotnet/runtime/issues/135696"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-58280"},{"url":"https://github.com/advisories/GHSA-mc4q-93x5-f6hj"},{"url":"https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-58280.json"},{"url":"https://access.redhat.com/security/cve/CVE-2026-58280"},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2548778"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-58280"},{"url":"https://access.redhat.com/errata/RHSA-2026:86195"},{"url":"https://access.redhat.com/errata/RHSA-2026:86168"},{"url":"https://access.redhat.com/errata/RHSA-2026:86172"},{"url":"https://access.redhat.com/errata/RHSA-2026:86192"},{"url":"https://access.redhat.com/errata/RHSA-2026:86594"},{"url":"https://access.redhat.com/errata/RHSA-2026:86170"},{"url":"https://access.redhat.com/errata/RHSA-2026:86193"},{"url":"https://access.redhat.com/errata/RHSA-2026:86169"},{"url":"https://access.redhat.com/errata/RHSA-2026:86171"},{"url":"https://access.redhat.com/errata/RHSA-2026:84424"},{"url":"https://access.redhat.com/errata/RHSA-2026:84491"},{"url":"https://access.redhat.com/errata/RHSA-2026:84693"},{"url":"https://access.redhat.com/errata/RHSA-2026:88474"},{"url":"https://access.redhat.com/errata/RHSA-2026:88424"},{"url":"https://access.redhat.com/errata/RHSA-2026:88425"},{"url":"https://access.redhat.com/errata/RHSA-2026:88422"}],"tags":["nvd","cve.org","ghsa","nuget","csaf","vex","red-hat"],"ingestedAt":"2026-10-13T19:43:28.947Z","vendor":"Microsoft","product":".NET 10.0","affected":[".net_10.0 >= 10.0.0 < 10.0.13",".net_11.0 >= 11.0.0 < 11.0.0-rc.2",".net_8.0 >= 8.0.0 < 8.0.32",".net_9.0 >= 9.0.0 < 9.0.21",".net_framework_3.5 >= 3.5.0 < 2.0.50727.9188 AND 3.0.30729.9171",".net_framework_3.5_and_4.6.2_4.7_4.7.1_4.7.2 >= 3.0.0.0 < 2.0.50727.8987 AND 3.0.30729.8982 AND 4.7.4150.0",".net_framework_3.5_and_4.7.2 >= 4.7.0 < 2.0.50727.9073 AND 3.0.30729.9070 AND 4.7.4150.0",".net_framework_3.5_and_4.8 >= 4.8.0 < 2.0.50727.9073 AND 3.0.30729.9070 AND 4.8.4811.0",".net_framework_3.5_and_4.8.1 >= 4.8.1 < 2.0.50727.9188 AND 3.0.30729.9171 AND 4.8.9363.0",".net_framework_4.6.2_4.7_4.7.1_4.7.2 >= 4.7.0 < 4.7.4150.0",".net_framework_4.8 >= 4.8.0 < 4.8.4811.0",".net_framework_4.8.1 >= 4.8.0.0 < 4.8.9363.0","visual_studio_2022_version_17.14 >= 17.14.0 < 17.14.42","visual_studio_2026_version_18.10 >= 18.10.0 < 18.10.4"],"ssvc":{"exploitation":"none","automatable":"yes","technicalImpact":"partial","timestamp":"2026-10-13T21:10:50.846842Z"},"epss":0.0125,"epssPercentile":0.69245,"aliases":["GHSA-mc4q-93x5-f6hj"],"ecosystem":"nuget","patched":["Microsoft.NETCore.App.Runtime.linux-arm 9.0.21","Microsoft.NETCore.App.Runtime.linux-arm64 9.0.21","Microsoft.NETCore.App.Runtime.linux-musl-arm 9.0.21","Microsoft.NETCore.App.Runtime.linux-musl-arm64 9.0.21","Microsoft.NETCore.App.Runtime.linux-musl-x64 9.0.21","Microsoft.NETCore.App.Runtime.linux-x64 9.0.21","Microsoft.NETCore.App.Runtime.osx-arm64 9.0.21","Microsoft.NETCore.App.Runtime.osx-x64 9.0.21","Microsoft.NETCore.App.Runtime.win-arm 9.0.21","Microsoft.NETCore.App.Runtime.win-arm64 9.0.21","Microsoft.NETCore.App.Runtime.win-x64 9.0.21","Microsoft.NETCore.App.Runtime.win-x86 9.0.21","Microsoft.NETCore.App.Runtime.linux-arm 8.0.32","Microsoft.NETCore.App.Runtime.linux-arm64 8.0.32","Microsoft.NETCore.App.Runtime.linux-musl-arm 8.0.32","Microsoft.NETCore.App.Runtime.linux-musl-arm64 8.0.32","Microsoft.NETCore.App.Runtime.linux-musl-x64 8.0.32","Microsoft.NETCore.App.Runtime.linux-x64 8.0.32","Microsoft.NETCore.App.Runtime.osx-arm64 8.0.32","Microsoft.NETCore.App.Runtime.osx-x64 8.0.32","Microsoft.NETCore.App.Runtime.win-arm 8.0.32","Microsoft.NETCore.App.Runtime.win-arm64 8.0.32","Microsoft.NETCore.App.Runtime.win-x64 8.0.32","Microsoft.NETCore.App.Runtime.win-x86 8.0.32","Microsoft.NETCore.App.Runtime.linux-arm 10.0.13","Microsoft.NETCore.App.Runtime.linux-arm64 10.0.13","Microsoft.NETCore.App.Runtime.linux-musl-arm 10.0.13","Microsoft.NETCore.App.Runtime.linux-musl-arm64 10.0.13","Microsoft.NETCore.App.Runtime.linux-musl-x64 10.0.13","Microsoft.NETCore.App.Runtime.linux-x64 10.0.13","Microsoft.NETCore.App.Runtime.osx-arm64 10.0.13","Microsoft.NETCore.App.Runtime.osx-x64 10.0.13","Microsoft.NETCore.App.Runtime.win-arm 10.0.13","Microsoft.NETCore.App.Runtime.win-arm64 10.0.13","Microsoft.NETCore.App.Runtime.win-x64 10.0.13","Microsoft.NETCore.App.Runtime.win-x86 10.0.13","Microsoft.NETCore.App.Runtime.linux-arm 11.0.0-rc.2","Microsoft.NETCore.App.Runtime.linux-arm64 11.0.0-rc.2","Microsoft.NETCore.App.Runtime.linux-musl-arm 11.0.0-rc.2","Microsoft.NETCore.App.Runtime.linux-musl-arm64 11.0.0-rc.2","Microsoft.NETCore.App.Runtime.linux-musl-x64 11.0.0-rc.2","Microsoft.NETCore.App.Runtime.linux-x64 11.0.0-rc.2","Microsoft.NETCore.App.Runtime.osx-arm64 11.0.0-rc.2","Microsoft.NETCore.App.Runtime.osx-x64 11.0.0-rc.2","Microsoft.NETCore.App.Runtime.win-arm 11.0.0-rc.2","Microsoft.NETCore.App.Runtime.win-arm64 11.0.0-rc.2","Microsoft.NETCore.App.Runtime.win-x64 11.0.0-rc.2","Microsoft.NETCore.App.Runtime.win-x86 11.0.0-rc.2"],"slug":"CVE-2026-58280","body":"## Overview\n\nUncontrolled recursion in .NET allows an unauthorized attacker to deny service over a network.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.\n\n## Package advisory (CVE-2026-58280)\n\nAffected packages:\n\n- `Microsoft.NETCore.App.Runtime.linux-arm >= 9.0.0, <= 9.0.20`\n- `Microsoft.NETCore.App.Runtime.linux-arm64 >= 9.0.0, <= 9.0.20`\n- `Microsoft.NETCore.App.Runtime.linux-musl-arm >= 9.0.0, <= 9.0.20`\n- `Microsoft.NETCore.App.Runtime.linux-musl-arm64 >= 9.0.0, <= 9.0.20`\n- `Microsoft.NETCore.App.Runtime.linux-musl-x64 >= 9.0.0, <= 9.0.20`\n- `Microsoft.NETCore.App.Runtime.linux-x64 >= 9.0.0, <= 9.0.20`\n- `Microsoft.NETCore.App.Runtime.osx-arm64 >= 9.0.0, <= 9.0.20`\n- `Microsoft.NETCore.App.Runtime.osx-x64 >= 9.0.0, <= 9.0.20`\n- `Microsoft.NETCore.App.Runtime.win-arm >= 9.0.0, <= 9.0.20`\n- `Microsoft.NETCore.App.Runtime.win-arm64 >= 9.0.0, <= 9.0.20`\n- `Microsoft.NETCore.App.Runtime.win-x64 >= 9.0.0, <= 9.0.20`\n- `Microsoft.NETCore.App.Runtime.win-x86 >= 9.0.0, <= 9.0.20`\n- `Microsoft.NETCore.App.Runtime.linux-arm >= 8.0.0, <= 8.0.31`\n- `Microsoft.NETCore.App.Runtime.linux-arm64 >= 8.0.0, <= 8.0.31`\n- `Microsoft.NETCore.App.Runtime.linux-musl-arm >= 8.0.0, <= 8.0.31`\n- `Microsoft.NETCore.App.Runtime.linux-musl-arm64 >= 8.0.0, <= 8.0.31`\n- `Microsoft.NETCore.App.Runtime.linux-musl-x64 >= 8.0.0, <= 8.0.31`\n- `Microsoft.NETCore.App.Runtime.linux-x64 >= 8.0.0, <= 8.0.31`\n- `Microsoft.NETCore.App.Runtime.osx-arm64 >= 8.0.0, <= 8.0.31`\n- `Microsoft.NETCore.App.Runtime.osx-x64 >= 8.0.0, <= 8.0.31`\n- `Microsoft.NETCore.App.Runtime.win-arm >= 8.0.0, <= 8.0.31`\n- `Microsoft.NETCore.App.Runtime.win-arm64 >= 8.0.0, <= 8.0.31`\n- `Microsoft.NETCore.App.Runtime.win-x64 >= 8.0.0, <= 8.0.31`\n- `Microsoft.NETCore.App.Runtime.win-x86 >= 8.0.0, <= 8.0.31`\n- `Microsoft.NETCore.App.Runtime.linux-arm >= 10.0.0, <= 10.0.12`\n- `Microsoft.NETCore.App.Runtime.linux-arm64 >= 10.0.0, <= 10.0.12`\n- `Microsoft.NETCore.App.Runtime.linux-musl-arm >= 10.0.0, <= 10.0.12`\n- `Microsoft.NETCore.App.Runtime.linux-musl-arm64 >= 10.0.0, <= 10.0.12`\n- `Microsoft.NETCore.App.Runtime.linux-musl-x64 >= 10.0.0, <= 10.0.12`\n- `Microsoft.NETCore.App.Runtime.linux-x64 >= 10.0.0, <= 10.0.12`\n- `Microsoft.NETCore.App.Runtime.osx-arm64 >= 10.0.0, <= 10.0.12`\n- `Microsoft.NETCore.App.Runtime.osx-x64 >= 10.0.0, <= 10.0.12`\n- `Microsoft.NETCore.App.Runtime.win-arm >= 10.0.0, <= 10.0.12`\n- `Microsoft.NETCore.App.Runtime.win-arm64 >= 10.0.0, <= 10.0.12`\n- `Microsoft.NETCore.App.Runtime.win-x64 >= 10.0.0, <= 10.0.12`\n- `Microsoft.NETCore.App.Runtime.win-x86 >= 10.0.0, <= 10.0.12`\n- `Microsoft.NETCore.App.Runtime.linux-arm >= 11.0.0-preview.1, <= 11.0.0-rc.1`\n- `Microsoft.NETCore.App.Runtime.linux-arm64 >= 11.0.0-preview.1, <= 11.0.0-rc.1`\n- `Microsoft.NETCore.App.Runtime.linux-musl-arm >= 11.0.0-preview.1, <= 11.0.0-rc.1`\n- `Microsoft.NETCore.App.Runtime.linux-musl-arm64 >= 11.0.0-preview.1, <= 11.0.0-rc.1`\n- `Microsoft.NETCore.App.Runtime.linux-musl-x64 >= 11.0.0-preview.1, <= 11.0.0-rc.1`\n- `Microsoft.NETCore.App.Runtime.linux-x64 >= 11.0.0-preview.1, <= 11.0.0-rc.1`\n- `Microsoft.NETCore.App.Runtime.osx-arm64 >= 11.0.0-preview.1, <= 11.0.0-rc.1`\n- `Microsoft.NETCore.App.Runtime.osx-x64 >= 11.0.0-preview.1, <= 11.0.0-rc.1`\n- `Microsoft.NETCore.App.Runtime.win-arm >= 11.0.0-preview.1, <= 11.0.0-rc.1`\n- `Microsoft.NETCore.App.Runtime.win-arm64 >= 11.0.0-preview.1, <= 11.0.0-rc.1`\n- `Microsoft.NETCore.App.Runtime.win-x64 >= 11.0.0-preview.1, <= 11.0.0-rc.1`\n- `Microsoft.NETCore.App.Runtime.win-x86 >= 11.0.0-preview.1, <= 11.0.0-rc.1`\n\nPatched in:\n\n- `Microsoft.NETCore.App.Runtime.linux-arm 9.0.21`\n- `Microsoft.NETCore.App.Runtime.linux-arm64 9.0.21`\n- `Microsoft.NETCore.App.Runtime.linux-musl-arm 9.0.21`\n- `Microsoft.NETCore.App.Runtime.linux-musl-arm64 9.0.21`\n- `Microsoft.NETCore.App.Runtime.linux-musl-x64 9.0.21`\n- `Microsoft.NETCore.App.Runtime.linux-x64 9.0.21`\n- `Microsoft.NETCore.App.Runtime.osx-arm64 9.0.21`\n- `Microsoft.NETCore.App.Runtime.osx-x64 9.0.21`\n- `Microsoft.NETCore.App.Runtime.win-arm 9.0.21`\n- `Microsoft.NETCore.App.Runtime.win-arm64 9.0.21`\n- `Microsoft.NETCore.App.Runtime.win-x64 9.0.21`\n- `Microsoft.NETCore.App.Runtime.win-x86 9.0.21`\n- `Microsoft.NETCore.App.Runtime.linux-arm 8.0.32`\n- `Microsoft.NETCore.App.Runtime.linux-arm64 8.0.32`\n- `Microsoft.NETCore.App.Runtime.linux-musl-arm 8.0.32`\n- `Microsoft.NETCore.App.Runtime.linux-musl-arm64 8.0.32`\n- `Microsoft.NETCore.App.Runtime.linux-musl-x64 8.0.32`\n- `Microsoft.NETCore.App.Runtime.linux-x64 8.0.32`\n- `Microsoft.NETCore.App.Runtime.osx-arm64 8.0.32`\n- `Microsoft.NETCore.App.Runtime.osx-x64 8.0.32`\n- `Microsoft.NETCore.App.Runtime.win-arm 8.0.32`\n- `Microsoft.NETCore.App.Runtime.win-arm64 8.0.32`\n- `Microsoft.NETCore.App.Runtime.win-x64 8.0.32`\n- `Microsoft.NETCore.App.Runtime.win-x86 8.0.32`\n- `Microsoft.NETCore.App.Runtime.linux-arm 10.0.13`\n- `Microsoft.NETCore.App.Runtime.linux-arm64 10.0.13`\n- `Microsoft.NETCore.App.Runtime.linux-musl-arm 10.0.13`\n- `Microsoft.NETCore.App.Runtime.linux-musl-arm64 10.0.13`\n- `Microsoft.NETCore.App.Runtime.linux-musl-x64 10.0.13`\n- `Microsoft.NETCore.App.Runtime.linux-x64 10.0.13`\n- `Microsoft.NETCore.App.Runtime.osx-arm64 10.0.13`\n- `Microsoft.NETCore.App.Runtime.osx-x64 10.0.13`\n- `Microsoft.NETCore.App.Runtime.win-arm 10.0.13`\n- `Microsoft.NETCore.App.Runtime.win-arm64 10.0.13`\n- `Microsoft.NETCore.App.Runtime.win-x64 10.0.13`\n- `Microsoft.NETCore.App.Runtime.win-x86 10.0.13`\n- `Microsoft.NETCore.App.Runtime.linux-arm 11.0.0-rc.2`\n- `Microsoft.NETCore.App.Runtime.linux-arm64 11.0.0-rc.2`\n- `Microsoft.NETCore.App.Runtime.linux-musl-arm 11.0.0-rc.2`\n- `Microsoft.NETCore.App.Runtime.linux-musl-arm64 11.0.0-rc.2`\n- `Microsoft.NETCore.App.Runtime.linux-musl-x64 11.0.0-rc.2`\n- `Microsoft.NETCore.App.Runtime.linux-x64 11.0.0-rc.2`\n- `Microsoft.NETCore.App.Runtime.osx-arm64 11.0.0-rc.2`\n- `Microsoft.NETCore.App.Runtime.osx-x64 11.0.0-rc.2`\n- `Microsoft.NETCore.App.Runtime.win-arm 11.0.0-rc.2`\n- `Microsoft.NETCore.App.Runtime.win-arm64 11.0.0-rc.2`\n- `Microsoft.NETCore.App.Runtime.win-x64 11.0.0-rc.2`\n- `Microsoft.NETCore.App.Runtime.win-x86 11.0.0-rc.2`\n\nSource: https://github.com/advisories/GHSA-mc4q-93x5-f6hj\n\n## Vendor advisories\n\n- **RHSA-2026:86195** · Red Hat · fixed in: Red Hat Enterprise Linux AppStream (v. 10), Red Hat Enterprise Linux CodeReady Linux Builder (v. 10) · released 2026-10-20 · [advisory](https://access.redhat.com/errata/RHSA-2026:86195)\n- **RHSA-2026:86168** · Red Hat · fixed in: Red Hat Enterprise Linux AppStream (v. 10), Red Hat Enterprise Linux CodeReady Linux Builder (v. 10) · released 2026-10-20 · [advisory](https://access.redhat.com/errata/RHSA-2026:86168)\n- **RHSA-2026:86172** · Red Hat · fixed in: Red Hat Enterprise Linux AppStream (v. 10), Red Hat Enterprise Linux CodeReady Linux Builder (v. 10) · released 2026-10-20 · [advisory](https://access.redhat.com/errata/RHSA-2026:86172)\n- **RHSA-2026:86192** · Red Hat · fixed in: Red Hat Enterprise Linux AppStream (v. 8), Red Hat Enterprise Linux CRB (v. 8) · released 2026-10-20 · [advisory](https://access.redhat.com/errata/RHSA-2026:86192)\n- **RHSA-2026:86594** · Red Hat · fixed in: Red Hat Enterprise Linux AppStream (v. 8), Red Hat Enterprise Linux CRB (v. 8) · released 2026-10-21 · [advisory](https://access.redhat.com/errata/RHSA-2026:86594)\n- **RHSA-2026:86170** · Red Hat · fixed in: Red Hat Enterprise Linux AppStream (v. 8), Red Hat Enterprise Linux CRB (v. 8) · released 2026-10-20 · [advisory](https://access.redhat.com/errata/RHSA-2026:86170)\n- **RHSA-2026:86193** · Red Hat · fixed in: Red Hat Enterprise Linux AppStream (v. 9), Red Hat Enterprise Linux CodeReady Linux Builder (v. 9) · released 2026-10-20 · [advisory](https://access.redhat.com/errata/RHSA-2026:86193)\n- **RHSA-2026:86169** · Red Hat · fixed in: Red Hat Enterprise Linux AppStream (v. 9), Red Hat Enterprise Linux CodeReady Linux Builder (v. 9) · released 2026-10-20 · [advisory](https://access.redhat.com/errata/RHSA-2026:86169)\n- **RHSA-2026:86171** · Red Hat · fixed in: Red Hat Enterprise Linux AppStream (v. 9), Red Hat Enterprise Linux CodeReady Linux Builder (v. 9) · released 2026-10-20 · [advisory](https://access.redhat.com/errata/RHSA-2026:86171)\n- **RHSA-2026:84424** · Red Hat · fixed in: Red Hat Hardened Images · released 2026-10-17 · [advisory](https://access.redhat.com/errata/RHSA-2026:84424)\n- **RHSA-2026:84491** · Red Hat · fixed in: Red Hat Hardened Images · released 2026-10-18 · [advisory](https://access.redhat.com/errata/RHSA-2026:84491)\n- **RHSA-2026:88474** · Red Hat · fixed in: Red Hat Enterprise Linux AppStream EUS (v. 10.0), Red Hat Enterprise Linux CodeReady Linux Builder EUS (v. 10.0) · released 2026-10-22 · [advisory](https://access.redhat.com/errata/RHSA-2026:88474)\n- **RHSA-2026:88424** · Red Hat · fixed in: Red Hat Enterprise Linux AppStream EUS (v. 10.0), Red Hat Enterprise Linux CodeReady Linux Builder EUS (v. 10.0) · released 2026-10-22 · [advisory](https://access.redhat.com/errata/RHSA-2026:88424)\n- **RHSA-2026:88425** · Red Hat · fixed in: Red Hat Enterprise Linux AppStream E4S (v.9.4) · released 2026-10-22 · [advisory](https://access.redhat.com/errata/RHSA-2026:88425)\n- **RHSA-2026:88422** · Red Hat · fixed in: Red Hat Enterprise Linux AppStream EUS (v.9.6), Red Hat CodeReady Linux Builder EUS (v.9.6) · released 2026-10-22 · [advisory](https://access.redhat.com/errata/RHSA-2026:88422)","depth":"twilight","depthScore":42,"depthScoreParts":{"impact":41.3,"likelihood":0.3,"exploitation":0,"ransomware":0},"changes":[]}