Red Hat Security AdvisoryRHSA-2026:58568
.NET 8.0 security, bug fix, and enhancement update
Released 2026-08-24 · Red Hat rating Important · View on Red Hat →
Fixes 21 records
Priority MEDIUM 43
Deserialization of untrusted data in .NET allows an unauthorized attacker to execute code locally.
CVSS 3.1HIGH 7.8· Local · No auth · User interaction · EPSS 0.04017 · Published 2026-07-14 · Fixed in 8.0.29, 9.0.18 +8 CWE-502
Priority MEDIUM 43
Protection mechanism failure in .NET Framework allows an unauthorized attacker to execute code locally.
CVSS 3.1HIGH 7.8· Local · No auth · User interaction · EPSS 0.04017 · Published 2026-07-14 · Fixed in 8.0.29, 9.0.18 +10 CWE-502
Priority MEDIUM 43
Incorrect authorization in .NET allows an unauthorized attacker to bypass a security feature over a network.
CVSS 3.1HIGH 8.2· Network · No auth · No interaction · EPSS 0.00609 · Published 2026-07-14 · Fixed in 10.0.10, 8.0.29 +4 CWE-302
Priority MEDIUM 43
Improper verification of cryptographic signature in .NET allows an unauthorized attacker to bypass a security feature over a network.
CVSS 3.1CRITICAL 9.8· Network · No auth · No interaction · EPSS 0.00286 · Published 2026-07-14 · Fixed in 10.0.10, 8.0.29 +12 CWE-345
Priority MEDIUM 42
Authentication bypass by assumed-immutable data in ASP.NET Core allows an authorized attacker to elevate privileges over a network.
CVSS 3.1HIGH 8.8· Network · Low privileges · No interaction · EPSS 0.00841 · Published 2026-07-14 · Fixed in 10.0.10, 8.0.29 +4 CWE-302
Priority MEDIUM 41
Unchecked input for loop condition in .NET allows an unauthorized attacker to deny service over a network.
CVSS 3.1HIGH 7.5· Network · No auth · No interaction · EPSS 0.01232 · Published 2026-08-11 · Fixed in 10.0.11, 8.0.30 +3 CWE-606
Priority MEDIUM 41
Access of resource using incompatible type ('type confusion') in .NET Core allows an unauthorized attacker to deny service over a network.
CVSS 3.1HIGH 7.5· Network · No auth · No interaction · EPSS 0.01174 · Published 2026-07-14 · Fixed in 10.0.10, 8.0.29 +1 CWE-843
Priority MEDIUM 41
Allocation of resources without limits or throttling in ASP.NET Core allows an unauthorized attacker to deny service over a network.
CVSS 3.1HIGH 7.5· Network · No auth · No interaction · EPSS 0.01174 · Published 2026-07-14 · Fixed in 10.0.10, 8.0.29 +4 CWE-770
Priority MEDIUM 41
Allocation of resources without limits or throttling in .NET allows an unauthorized attacker to deny service over a network.
CVSS 3.1HIGH 7.5· Network · No auth · No interaction · EPSS 0.01174 · Published 2026-07-14 · Fixed in 10.0.10, 8.0.29 +4 CWE-770
Priority MEDIUM 41
Allocation of resources without limits or throttling in .NET Framework allows an unauthorized attacker to deny service over a network.
CVSS 3.1HIGH 7.5· Network · No auth · No interaction · EPSS 0.01174 · Published 2026-07-14 · Fixed in 10.0.10, 8.0.29 +11 CWE-770
Priority MEDIUM 41
Stack-based buffer overflow in .NET Framework allows an unauthorized attacker to deny service over a network.
CVSS 3.1HIGH 7.5· Network · No auth · No interaction · EPSS 0.01174 · Published 2026-07-14 · Fixed in 10.0.10, 8.0.29 +11 CWE-121
Priority MEDIUM 41
Allocation of resources without limits or throttling in .NET allows an unauthorized attacker to deny service over a network.
CVSS 3.1HIGH 7.5· Network · No auth · No interaction · EPSS 0.01174 · Published 2026-07-14 · Fixed in 10.0.10, 8.0.29 +12 CWE-770
Priority MEDIUM 41
Improper validation of specified type of input in .NET Framework allows an unauthorized attacker to deny service over a network.
CVSS 3.1HIGH 7.5· Network · No auth · No interaction · EPSS 0.01232 · Published 2026-07-14 · Fixed in 10.0.10, 8.0.29 +4 CWE-1287
Priority MEDIUM 41
Allocation of resources without limits or throttling in .NET allows an unauthorized attacker to deny service over a network.
CVSS 3.1HIGH 7.5· Network · No auth · No interaction · EPSS 0.01174 · Published 2026-07-14 · Fixed in 10.0.10, 8.0.29 +11 CWE-770
Priority MEDIUM 41
Incorrect implementation of authentication algorithm in ASP.NET Core allows an authorized attacker to elevate privileges over a network.
CVSS 3.1HIGH 8.8· Network · Low privileges · No interaction · EPSS 0.00778 · Published 2026-07-14 · Fixed in 10.0.10, 8.0.29 +4 CWE-303
Priority LOW 36
Uncaught exception in .NET allows an authorized attacker to elevate privileges locally.
CVSS 3.1HIGH 7.8· Local · Low privileges · No interaction · EPSS 0.00343 · Published 2026-08-11 · Partial fix · 10.0.11, 8.0.30 +3 CWE-252
Priority LOW 36
Improper control of generation of code ('code injection') in .NET Framework allows an unauthorized attacker to elevate privileges locally.
CVSS 3.1HIGH 7.8· Local · No auth · User interaction · EPSS 0.00462 · Published 2026-07-14 · Fixed in 8.0.29, 9.0.18 +10 CWE-94
Priority LOW 32
Improper link resolution before file access ('link following') in .NET allows an authorized attacker to perform tampering locally.
CVSS 3.1HIGH 7.0· Local · Low privileges · No interaction · EPSS 0.00224 · Published 2026-07-14 · Fixed in 10.0.10, 8.0.29 +4 CWE-345
Priority LOW 30
Improper encoding or escaping of output in .NET allows an authorized attacker to perform spoofing over a network.
CVSS 3.1MEDIUM 6.5· Network · Low privileges · No interaction · EPSS 0.00738 · Published 2026-07-14 · Fixed in 10.0.10, 8.0.29 +11 CWE-116
Priority LOW 28
Improper removal of sensitive information before storage or transfer in .NET allows an unauthorized attacker to disclose information over a network.
CVSS 3.1MEDIUM 5.9· Network · No auth · No interaction · EPSS 0.00749 · Published 2026-08-11 · Partial fix · 10.0.11, 8.0.30 +5 CWE-212
Priority LOW 28
Inconsistent interpretation of http requests ('http request/response smuggling') in .NET allows an unauthorized attacker to bypass a security feature over a network.
CVSS 3.1MEDIUM 5.9· Network · No auth · No interaction · EPSS 0.00749 · Published 2026-08-11 · Partial fix · 10.0.11, 8.0.30 +3 CWE-444