RHSA-2026:44914
Vulnerability from csaf_redhat - Published: 2026-07-24 03:42 - Updated: 2026-08-27 18:35Summary
Red Hat Security Advisory: Red Hat Hardened Images RPMs bug fix and enhancement update
Severity
Important
Notes
Topic: An update for Red Hat Hardened Images RPMs is now available.
Details: This update includes the following RPMs:
dotnet9.0:
* aspnetcore-runtime-9.0-9.0.18-2.hum1 (aarch64, x86_64)
* aspnetcore-runtime-dbg-9.0-9.0.18-2.hum1 (aarch64, x86_64)
* aspnetcore-targeting-pack-9.0-9.0.18-2.hum1 (aarch64, x86_64)
* dotnet-apphost-pack-9.0-9.0.18-2.hum1 (aarch64, x86_64)
* dotnet-hostfxr-9.0-9.0.18-2.hum1 (aarch64, x86_64)
* dotnet-runtime-9.0-9.0.18-2.hum1 (aarch64, x86_64)
* dotnet-runtime-dbg-9.0-9.0.18-2.hum1 (aarch64, x86_64)
* dotnet-sdk-9.0-9.0.119-2.hum1 (aarch64, x86_64)
* dotnet-sdk-9.0-source-built-artifacts-9.0.119-2.hum1 (aarch64, x86_64)
* dotnet-sdk-aot-9.0-9.0.119-2.hum1 (aarch64, x86_64)
* dotnet-sdk-dbg-9.0-9.0.119-2.hum1 (aarch64, x86_64)
* dotnet-targeting-pack-9.0-9.0.18-2.hum1 (aarch64, x86_64)
* dotnet-templates-9.0-9.0.119-2.hum1 (aarch64, x86_64)
* netstandard-targeting-pack-2.1-9.0.119-2.hum1 (aarch64, x86_64)
* dotnet9.0-9.0.119-2.hum1.src (src)
Terms of Use: This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original.
Inconsistent interpretation of http requests ('http request/response smuggling') in .NET allows an unauthorized attacker to bypass a security feature over a network.
5.9 (Medium)
Affected products
Fixed
3 products
| Product | Identifier | Version | Remediation |
|---|---|---|---|
| Unresolved product id: Red Hat Hardened Images:dotnet9-0-main@aarch64 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: Red Hat Hardened Images:dotnet9-0-main@src | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: Red Hat Hardened Images:dotnet9-0-main@x86_64 | — |
Vendor Fix
fix
Workaround
|
Threats
Impact
Moderate
Improper removal of sensitive information before storage or transfer in .NET allows an unauthorized attacker to disclose information over a network.
5.9 (Medium)
Affected products
Fixed
3 products
Threats
Impact
Moderate
Unchecked input for loop condition in .NET allows an unauthorized attacker to deny service over a network.
7.5 (High)
Affected products
Fixed
3 products
| Product | Identifier | Version | Remediation |
|---|---|---|---|
| Unresolved product id: Red Hat Hardened Images:dotnet9-0-main@aarch64 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: Red Hat Hardened Images:dotnet9-0-main@src | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: Red Hat Hardened Images:dotnet9-0-main@x86_64 | — |
Vendor Fix
fix
Workaround
|
Threats
Impact
Important
A flaw was found in .NET. This vulnerability allows an unauthorized attacker to disclose sensitive information over a network. The issue arises from the inclusion of functionality from an untrusted control sphere, which can be exploited to reveal data.
6.5 (Medium)
Affected products
Fixed
3 products
| Product | Identifier | Version | Remediation |
|---|---|---|---|
| Unresolved product id: Red Hat Hardened Images:dotnet9-0-main@aarch64 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: Red Hat Hardened Images:dotnet9-0-main@src | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: Red Hat Hardened Images:dotnet9-0-main@x86_64 | — |
Vendor Fix
fix
Workaround
|
Threats
Impact
Moderate
Uncaught exception in .NET allows an authorized attacker to elevate privileges locally.
7.8 (High)
Affected products
Fixed
3 products
| Product | Identifier | Version | Remediation |
|---|---|---|---|
| Unresolved product id: Red Hat Hardened Images:dotnet9-0-main@aarch64 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: Red Hat Hardened Images:dotnet9-0-main@src | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: Red Hat Hardened Images:dotnet9-0-main@x86_64 | — |
Vendor Fix
fix
Workaround
|
Threats
Impact
Important
References
30 references
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"privilegesRequired": "NONE",
"scope": "UNCHANGED",
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"title": ".NET: .NET Core: .NET Security Feature Bypass Vulnerability"
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{
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"title": "Vulnerability description"
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{
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"text": ".NET: .NET Information Disclosure Vulnerability",
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},
{
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"title": "CVSS score applicability"
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"attackVector": "NETWORK",
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"integrityImpact": "NONE",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N",
"version": "3.1"
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"threats": [
{
"category": "impact",
"details": "Moderate"
}
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"title": ".NET: .NET Information Disclosure Vulnerability"
},
{
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"cwe": {
"id": "CWE-606",
"name": "Unchecked Input for Loop Condition"
},
"discovery_date": "2026-08-06T20:57:07.142000+00:00",
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"category": "description",
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"title": "Vulnerability summary"
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{
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],
"product_status": {
"fixed": [
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"category": "vendor_fix",
"date": "2026-07-24T03:42:18+00:00",
"details": "For details on how to apply this update, which includes the changes described in this advisory, refer to:\nhttps://images.redhat.com/",
"product_ids": [
"Red Hat Hardened Images:dotnet9-0-main@aarch64",
"Red Hat Hardened Images:dotnet9-0-main@src",
"Red Hat Hardened Images:dotnet9-0-main@x86_64"
],
"restart_required": {
"category": "none"
},
"url": "https://access.redhat.com/errata/RHSA-2026:44914"
},
{
"category": "workaround",
"details": "Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base, or stability.",
"product_ids": [
"Red Hat Hardened Images:dotnet9-0-main@aarch64",
"Red Hat Hardened Images:dotnet9-0-main@src",
"Red Hat Hardened Images:dotnet9-0-main@x86_64"
]
}
],
"scores": [
{
"cvss_v3": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "HIGH",
"baseScore": 7.5,
"baseSeverity": "HIGH",
"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
"version": "3.1"
},
"products": [
"Red Hat Hardened Images:dotnet9-0-main@aarch64",
"Red Hat Hardened Images:dotnet9-0-main@src",
"Red Hat Hardened Images:dotnet9-0-main@x86_64"
]
}
],
"threats": [
{
"category": "impact",
"details": "Important"
}
],
"title": ".NET: .NET Denial of Service Vulnerability"
},
{
"cve": "CVE-2026-62902",
"cwe": {
"id": "CWE-829",
"name": "Inclusion of Functionality from Untrusted Control Sphere"
},
"discovery_date": "2026-08-11T17:13:45.614085+00:00",
"ids": [
{
"system_name": "Red Hat Bugzilla ID",
"text": "2514214"
}
],
"notes": [
{
"category": "description",
"text": "A flaw was found in .NET. This vulnerability allows an unauthorized attacker to disclose sensitive information over a network. The issue arises from the inclusion of functionality from an untrusted control sphere, which can be exploited to reveal data.",
"title": "Vulnerability description"
},
{
"category": "summary",
"text": "dotnet: .NET: Information Disclosure Vulnerability",
"title": "Vulnerability summary"
},
{
"category": "other",
"text": "Red Hat has determined that shipped versions of .NET in Red Hat products already include the fix for this vulnerability. The .NET 8.0 (8.0.30), 9.0 (9.0.19), and 10.0 (10.0.11) runtime fix versions are included in current Red Hat packages. Furthermore, the upstream advisory identifies only Microsoft.WindowsDesktop.App.Runtime (Windows Desktop) packages as vulnerable \u2014 a component not present in Red Hat\u0027s Linux .NET builds.",
"title": "Statement"
},
{
"category": "general",
"text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
"title": "CVSS score applicability"
}
],
"product_status": {
"fixed": [
"Red Hat Hardened Images:dotnet9-0-main@aarch64",
"Red Hat Hardened Images:dotnet9-0-main@src",
"Red Hat Hardened Images:dotnet9-0-main@x86_64"
]
},
"references": [
{
"category": "self",
"summary": "Canonical URL",
"url": "https://access.redhat.com/security/cve/CVE-2026-62902"
},
{
"category": "external",
"summary": "RHBZ#2514214",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2514214"
},
{
"category": "external",
"summary": "https://www.cve.org/CVERecord?id=CVE-2026-62902",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-62902"
},
{
"category": "external",
"summary": "https://nvd.nist.gov/vuln/detail/CVE-2026-62902",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2026-62902"
},
{
"category": "external",
"summary": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-62902",
"url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-62902"
}
],
"release_date": "2026-08-11T17:04:42.081000+00:00",
"remediations": [
{
"category": "vendor_fix",
"date": "2026-07-24T03:42:18+00:00",
"details": "For details on how to apply this update, which includes the changes described in this advisory, refer to:\nhttps://images.redhat.com/",
"product_ids": [
"Red Hat Hardened Images:dotnet9-0-main@aarch64",
"Red Hat Hardened Images:dotnet9-0-main@src",
"Red Hat Hardened Images:dotnet9-0-main@x86_64"
],
"restart_required": {
"category": "none"
},
"url": "https://access.redhat.com/errata/RHSA-2026:44914"
},
{
"category": "workaround",
"details": "No mitigation is needed. All shipped versions of .NET in Red Hat products already contain the fix for this vulnerability.",
"product_ids": [
"Red Hat Hardened Images:dotnet9-0-main@aarch64",
"Red Hat Hardened Images:dotnet9-0-main@src",
"Red Hat Hardened Images:dotnet9-0-main@x86_64"
]
}
],
"scores": [
{
"cvss_v3": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "NONE",
"baseScore": 6.5,
"baseSeverity": "MEDIUM",
"confidentialityImpact": "HIGH",
"integrityImpact": "NONE",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "REQUIRED",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N",
"version": "3.1"
},
"products": [
"Red Hat Hardened Images:dotnet9-0-main@aarch64",
"Red Hat Hardened Images:dotnet9-0-main@src",
"Red Hat Hardened Images:dotnet9-0-main@x86_64"
]
}
],
"threats": [
{
"category": "impact",
"details": "Moderate"
}
],
"title": "dotnet: .NET: Information Disclosure Vulnerability"
},
{
"cve": "CVE-2026-62909",
"cwe": {
"id": "CWE-252",
"name": "Unchecked Return Value"
},
"discovery_date": "2026-08-06T21:09:22.046000+00:00",
"ids": [
{
"system_name": "Red Hat Bugzilla ID",
"text": "2512185"
}
],
"notes": [
{
"category": "description",
"text": "Uncaught exception in .NET allows an authorized attacker to elevate privileges locally.",
"title": "Vulnerability description"
},
{
"category": "summary",
"text": ".NET: .NET Elevation of Privilege Vulnerability",
"title": "Vulnerability summary"
},
{
"category": "other",
"text": "This vulnerability is rated as Important. A truncation error in the .NET diagnostics IPC, specifically within ipc_transport_get_default_name when processing excessively long TMPDIR paths, could lead to a local elevation of privilege. This allows an attacker with local access to potentially gain higher privileges on the system.",
"title": "Statement"
},
{
"category": "general",
"text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
"title": "CVSS score applicability"
}
],
"product_status": {
"fixed": [
"Red Hat Hardened Images:dotnet9-0-main@aarch64",
"Red Hat Hardened Images:dotnet9-0-main@src",
"Red Hat Hardened Images:dotnet9-0-main@x86_64"
]
},
"references": [
{
"category": "self",
"summary": "Canonical URL",
"url": "https://access.redhat.com/security/cve/CVE-2026-62909"
},
{
"category": "external",
"summary": "RHBZ#2512185",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2512185"
},
{
"category": "external",
"summary": "https://www.cve.org/CVERecord?id=CVE-2026-62909",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-62909"
},
{
"category": "external",
"summary": "https://nvd.nist.gov/vuln/detail/CVE-2026-62909",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2026-62909"
}
],
"release_date": "2026-08-11T00:00:00+00:00",
"remediations": [
{
"category": "vendor_fix",
"date": "2026-07-24T03:42:18+00:00",
"details": "For details on how to apply this update, which includes the changes described in this advisory, refer to:\nhttps://images.redhat.com/",
"product_ids": [
"Red Hat Hardened Images:dotnet9-0-main@aarch64",
"Red Hat Hardened Images:dotnet9-0-main@src",
"Red Hat Hardened Images:dotnet9-0-main@x86_64"
],
"restart_required": {
"category": "none"
},
"url": "https://access.redhat.com/errata/RHSA-2026:44914"
},
{
"category": "workaround",
"details": "Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base, or stability.",
"product_ids": [
"Red Hat Hardened Images:dotnet9-0-main@aarch64",
"Red Hat Hardened Images:dotnet9-0-main@src",
"Red Hat Hardened Images:dotnet9-0-main@x86_64"
]
}
],
"scores": [
{
"cvss_v3": {
"attackComplexity": "HIGH",
"attackVector": "LOCAL",
"availabilityImpact": "HIGH",
"baseScore": 7.8,
"baseSeverity": "HIGH",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"privilegesRequired": "LOW",
"scope": "CHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H",
"version": "3.1"
},
"products": [
"Red Hat Hardened Images:dotnet9-0-main@aarch64",
"Red Hat Hardened Images:dotnet9-0-main@src",
"Red Hat Hardened Images:dotnet9-0-main@x86_64"
]
}
],
"threats": [
{
"category": "impact",
"details": "Important"
}
],
"title": ".NET: .NET Elevation of Privilege Vulnerability"
}
]
}
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Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.
Sightings
| Author | Source | Type | Date | Other |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
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The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the
vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base
model, served locally by ML-Gateway.
They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
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