SB2026082404 - Red Hat Enterprise Linux 10 update for .NET 8.0
Published: August 24, 2026
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 21 vulnerabilities.
1) Link following (CVE-ID: CVE-2026-50526)
CWE-ID: CWE-59 - Improper Link Resolution Before File Access ('Link Following')
CVSSv4: 6.8 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N]
The vulnerability allows a local user to perform tampering.
The vulnerability exists due to improper link resolution before file access in .NET when accessing files through links. A local user can manipulate a link target to perform tampering.
2) Unchecked Return Value (CVE-ID: CVE-2026-62909)
CWE-ID: CWE-252 - Unchecked Return Value
CVSSv4: 7.3 [CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
The vulnerability allows a local user to elevate privileges.
The vulnerability exists due to unchecked return value in .NET when handling exceptional conditions. A local user can trigger an uncaught exception to elevate privileges.
Successful exploitation requires the target system to be set up in a specific manner and the attacker to have knowledge of that setup.
3) Unchecked Input for Loop Condition (CVE-ID: CVE-2026-62901)
CWE-ID: CWE-606 - Unchecked Input for Loop Condition
CVSSv4: 8.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]
The vulnerability allows a remote attacker to cause a denial of service.
The vulnerability exists due to unchecked input for loop condition in .NET when handling network requests. A remote attacker can send crafted input to cause a denial of service.
4) Improper Removal of Sensitive Information Before Storage or Transfer (CVE-ID: CVE-2026-62900)
CWE-ID: CWE-212 - Improper Removal of Sensitive Information Before Storage or Transfer
CVSSv4: 8.2 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N]
The vulnerability allows a remote attacker to disclose sensitive information.
The vulnerability exists due to improper removal of sensitive information before storage or transfer in .NET when handling data over a network. A remote attacker can access exposed data to disclose sensitive information.
Successful exploitation requires that the target system be set up in a specific manner and that the attacker have knowledge of that setup. Credentials may be disclosed.
5) Inconsistent interpretation of HTTP requests (CVE-ID: CVE-2026-62899)
CWE-ID: CWE-444 - Inconsistent Interpretation of HTTP Requests ('HTTP Request Smuggling')
CVSSv4: 8.2 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N]
The vulnerability allows a remote attacker to bypass a security feature.
The vulnerability exists due to inconsistent interpretation of http requests in .NET when handling http requests. A remote attacker can send crafted http requests to bypass a security feature.
Successful exploitation requires the target system to be configured in a specific manner and knowledge of that setup.
6) Input validation error (CVE-ID: CVE-2026-50524)
CWE-ID: CWE-20 - Improper input validation
CVSSv4: 8.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]
The vulnerability allows a remote attacker to cause a denial of service.
The vulnerability exists due to improper input validation in .NET Framework when processing input. A remote attacker can send crafted input to cause a denial of service.
7) Improper Encoding or Escaping of Output (CVE-ID: CVE-2026-50659)
CWE-ID: CWE-116 - Improper Encoding or Escaping of Output
CVSSv4: 5.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N]
The vulnerability allows a remote user to perform spoofing.
The vulnerability exists due to improper encoding or escaping of output in .NET for macOS when handling network requests. A remote user can send crafted input to perform spoofing.
8) Allocation of Resources Without Limits or Throttling (CVE-ID: CVE-2026-50648)
CWE-ID: CWE-770 - Allocation of Resources Without Limits or Throttling
CVSSv4: 8.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]
The vulnerability allows a remote attacker to cause a denial of service.
The vulnerability exists due to allocation of resources without limits or throttling in .NET Framework when handling network requests. A remote attacker can send crafted requests to cause a denial of service.
9) Stack-based buffer overflow (CVE-ID: CVE-2026-50527)
CWE-ID: CWE-121 - Stack-based buffer overflow
CVSSv4: 8.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]
The vulnerability allows a remote attacker to cause a denial of service.
The vulnerability exists due to stack-based buffer overflow in .NET Framework when handling network input. A remote attacker can send specially crafted network input to cause a denial of service.
10) Allocation of Resources Without Limits or Throttling (CVE-ID: CVE-2026-50525)
CWE-ID: CWE-770 - Allocation of Resources Without Limits or Throttling
CVSSv4: 8.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]
The vulnerability allows a remote attacker to cause a denial of service.
The vulnerability exists due to allocation of resources without limits or throttling in .NET when handling network requests. A remote attacker can send network requests to cause a denial of service.
11) Protection mechanism failure (CVE-ID: CVE-2026-50646)
CWE-ID: CWE-693 - Protection Mechanism Failure
CVSSv4: 8.5 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
The vulnerability allows a local attacker to execute arbitrary code.
The vulnerability exists due to protection mechanism failure in .NET Framework when processing crafted local input. A local attacker can provide crafted local input to execute arbitrary code.
12) Allocation of Resources Without Limits or Throttling (CVE-ID: CVE-2026-50651)
CWE-ID: CWE-770 - Allocation of Resources Without Limits or Throttling
CVSSv4: 8.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]
The vulnerability allows a remote attacker to cause a denial of service.
The vulnerability exists due to allocation of resources without limits or throttling in .NET when handling network requests. A remote attacker can send a series of requests to cause a denial of service.
13) Deserialization of Untrusted Data (CVE-ID: CVE-2026-50649)
CWE-ID: CWE-502 - Deserialization of Untrusted Data
CVSSv4: 8.5 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
The vulnerability allows a local attacker to execute arbitrary code.
The vulnerability exists due to deserialization of untrusted data in .NET when processing untrusted serialized data. A local attacker can supply crafted serialized input to execute arbitrary code.
14) Improper access control (CVE-ID: CVE-2026-50528)
CWE-ID: CWE-284 - Improper Access Control
CVSSv4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N]
The vulnerability allows a remote attacker to bypass the authentication feature.
The vulnerability exists due to improper access control in .NET authentication handling when processing network requests. A remote attacker can send crafted requests to bypass the authentication feature.
The issue can result in impersonation.
15) Code Injection (CVE-ID: CVE-2026-50650)
CWE-ID: CWE-94 - Improper Control of Generation of Code ('Code Injection')
CVSSv4: 8.5 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
The vulnerability allows a local attacker to escalate privileges.
The vulnerability exists due to improper control of generation of code ('code injection') in .NET Framework when processing crafted local input. A local attacker can inject code to escalate privileges.
Successful exploitation could result in SYSTEM privileges.
16) Allocation of Resources Without Limits or Throttling (CVE-ID: CVE-2026-47302)
CWE-ID: CWE-770 - Allocation of Resources Without Limits or Throttling
CVSSv4: 8.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]
The vulnerability allows a remote attacker to cause a denial of service.
The vulnerability exists due to allocation of resources without limits or throttling in .NET when handling network requests. A remote attacker can send crafted network requests to cause a denial of service.
17) Improper Verification of Cryptographic Signature (CVE-ID: CVE-2026-47304)
CWE-ID: CWE-347 - Improper Verification of Cryptographic Signature
CVSSv4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N]
The vulnerability allows a remote attacker to bypass an authentication security feature.
The vulnerability exists due to improper verification of cryptographic signature in .NET when processing cryptographically signed data over a network. A remote attacker can submit crafted signed data to bypass an authentication security feature.
This vulnerability may allow impersonation.
18) Authentication Bypass by Assumed-Immutable Data (CVE-ID: CVE-2026-47303)
CWE-ID: CWE-302 - Authentication Bypass by Assumed-Immutable Data
CVSSv4: 8.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
The vulnerability allows a remote attacker to escalate privileges.
The vulnerability exists due to authentication bypass by assumed-immutable data in ASP.NET Core. A remote user can gain elevated privileges on the target system.
19) Incorrect Implementation of Authentication Algorithm (CVE-ID: CVE-2026-47300)
CWE-ID: CWE-303 - Incorrect Implementation of Authentication Algorithm
CVSSv4: 8.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
The vulnerability allows a remote attacker to escalate privileges.
The vulnerability exists due to incorrect implementation of authentication algorithm in ASP.NET Core. A remote user can gain elevated privileges on the target system.
20) Allocation of Resources Without Limits or Throttling (CVE-ID: CVE-2026-56170)
CWE-ID: CWE-770 - Allocation of Resources Without Limits or Throttling
CVSSv4: 8.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]
The vulnerability allows a remote attacker to gain unauthorized access to otherwise restricted functionality.
The vulnerability exists due to unrestricted resource allocation in ASP.NET Core. A remote attacker can bypass implemented security restrictions and perform a denial of service (DoS) attack.
21) Type Confusion (CVE-ID: CVE-2026-57108)
CWE-ID: CWE-843 - Type confusion
CVSSv4: 8.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]
The vulnerability allows a remote attacker to cause a denial of service.
The vulnerability exists due to type confusion in .NET Core when handling network requests. A remote attacker can send crafted network input to cause a denial of service.
Remediation
Install update from vendor's website.