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Critical .NET Vulnerabilities in Fedora 43 and 44 Require Immediate Attention

Critical .NET Vulnerabilities in Fedora 43 and 44 Require Immediate Attention

First seen 24 Jul 2026, 10:07 UTC • •
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ThreatCluster AI
ThreatCluster •July 25, 2026 at 09:52 UTC
  • •Critical vulnerabilities in .NET SDK and Runtime affect Fedora 43 and 44.
  • •Users must update to .NET SDK 8.0.129 and Runtime 8.0.29 for Fedora 44.
  • •Immediate action is required to mitigate risks of privilege escalation.

Multiple critical vulnerabilities have been identified in the .NET SDK and Runtime for Fedora 43 and 44, affecting cross-platform applications. The vulnerabilities include CVE-2026-47300, CVE-2026-47302, CVE-2026-47303, CVE-2026-47304, CVE-2026-50524, CVE-2026-50525, CVE-2026-50526, CVE-2026-50527, CVE-2026-50528, CVE-2026-50646, CVE-2026-50648, CVE-2026-50649, CVE-2026-50650, CVE-2026-50651, CVE-2026-50659, CVE-2026-56158, and CVE-2026-57108. These vulnerabilities were published on July 14, 2026, and can lead to privilege escalation and system-wide damage. Users are advised to update to .NET SDK 8.0.129 and Runtime 8.0.29 for Fedora 44, and .NET SDK 9.0.119 and Runtime 9.0.18 for Fedora 43. The updates can be installed using the 'dnf' update program. The situation is critical, as failure to patch could leave systems vulnerable to exploitation.

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Timeline

2026-07-14
Multiple CVEs published
CVE-2026-47300, CVE-2026-47302, CVE-2026-47303, CVE-2026-47304, CVE-2026-50524, CVE-2026-50525, CVE-2026-50526, CVE-2026-50527, CVE-2026-50528, CVE-2026-50646, CVE-2026-50648, CVE-2026-50649, CVE-2026-50650, CVE-2026-50651, CVE-2026-50659, CVE-2026-56158, and CVE-2026-57108 were disclosed, affecting .NET SDK and Runtime.
Linuxsecurity
2026-07-14
CVE-2026-50649 published
Vulnerability assigned a CVE identifier and published in the National Vulnerability Database.
MITRE
2026-07-14
CVE-2026-57108 published
Vulnerability assigned a CVE identifier and published in the National Vulnerability Database.
MITRE
2026-07-14
CVE-2026-50650 published
Vulnerability assigned a CVE identifier and published in the National Vulnerability Database.
MITRE
2026-07-14
CVE-2026-50525 published
Vulnerability assigned a CVE identifier and published in the National Vulnerability Database.
MITRE
2026-07-14
CVE-2026-47302 published
Vulnerability assigned a CVE identifier and published in the National Vulnerability Database.
MITRE
2026-07-14
CVE-2026-50651 published
Vulnerability assigned a CVE identifier and published in the National Vulnerability Database.
MITRE
2026-07-14
CVE-2026-47304 published
Vulnerability assigned a CVE identifier and published in the National Vulnerability Database.
MITRE
2026-07-14
CVE-2026-47303 published
Vulnerability assigned a CVE identifier and published in the National Vulnerability Database.
MITRE
2026-07-14
CVE-2026-50526 published
Vulnerability assigned a CVE identifier and published in the National Vulnerability Database.
MITRE

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