usn-8641-1
Vulnerability from osv_ubuntu
Miha Zupan discovered that .NET did not properly interpret certain HTTP requests. An attacker could possibly use this issue to perform request smuggling and bypass a security feature. (CVE-2026-62899)
Ivan Demchuk discovered that .NET did not properly handle the removal of sensitive information before storage or transfer. An attacker could possibly use this issue to disclose sensitive information. (CVE-2026-62900)
Kevin Gosse discovered that .NET did not properly check an input for a loop condition. An attacker could possibly use this issue to cause a denial of service. (CVE-2026-62901)
Kevin Gosse discovered that .NET did not properly perform error checking when securing shared resources used for diagnostics IPC. An attacker could possibly use this issue to elevate privileges. (CVE-2026-62909)
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],
"aliases": [],
"details": "Miha Zupan discovered that .NET did not properly interpret certain HTTP\nrequests. An attacker could possibly use this issue to perform request\nsmuggling and bypass a security feature. (CVE-2026-62899)\n\nIvan Demchuk discovered that .NET did not properly handle the removal of\nsensitive information before storage or transfer. An attacker could possibly\nuse this issue to disclose sensitive information. (CVE-2026-62900)\n\nKevin Gosse discovered that .NET did not properly check an input for a loop\ncondition. An attacker could possibly use this issue to cause a denial of\nservice. (CVE-2026-62901)\n\nKevin Gosse discovered that .NET did not properly perform error checking\nwhen securing shared resources used for diagnostics IPC. An attacker could\npossibly use this issue to elevate privileges. (CVE-2026-62909)",
"id": "USN-8641-1",
"modified": "2026-08-18T15:02:43Z",
"published": "2026-08-18T15:02:43Z",
"references": [
{
"type": "ADVISORY",
"url": "https://ubuntu.com/security/notices/USN-8641-1"
},
{
"type": "REPORT",
"url": "https://ubuntu.com/security/CVE-2026-62899"
},
{
"type": "REPORT",
"url": "https://ubuntu.com/security/CVE-2026-62900"
},
{
"type": "REPORT",
"url": "https://ubuntu.com/security/CVE-2026-62901"
},
{
"type": "REPORT",
"url": "https://ubuntu.com/security/CVE-2026-62909"
}
],
"related": [],
"schema_version": "1.7.0",
"summary": "dotnet8, dotnet10 vulnerabilities",
"upstream": [
"UBUNTU-CVE-2026-62899",
"UBUNTU-CVE-2026-62900",
"UBUNTU-CVE-2026-62901",
"UBUNTU-CVE-2026-62909"
]
}
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.
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.