USN-8420-1: dotnet10 Ubuntu
Vulnerability summary
USN-8420-1 is a vulnerability in dotnet10 Ubuntu with no CVSS score yet.
Advisory lineage
Upstream 0 · Downstream 0 · Related 2Timeline
- 11-06-2026PublishedVulnerability first disclosed.
- 30-06-2026Last modifiedVulnerability information updated.
Description
dotnet8, dotnet9, dotnet10 vulnerabilities It was discovered that .NET did not properly handle link resolution before file access. A local attacker could use this issue to perform unauthorized file tampering and write arbitrary files outside of the intended extraction directory. (CVE-2026-45491) It was discovered that .NET did not properly handle deeply-nested MessagePack arrays. An attacker could use this to cause .NET to consume excessive resources, resulting in a denial of service. (CVE-2026-45591)
CVSS metrics
Risk metrics not yet published.
EPSS trend
No EPSS score has been published for this record yet.
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeNo weakness data has been published for this record.
Affected systems
Ubuntu3 products
- dotnet10< 10.0.109-10.0.9-0ubuntu1~24.04.1 | < 10.0.109-10.0.9-0ubuntu1~25.10.1 | < 10.0.109-10.0.9-0ubuntu1~26.04.1
- dotnet8< 8.0.128-8.0.28-0ubuntu1~22.04.1 | < 8.0.128-8.0.28-0ubuntu1~24.04.1 | < 8.0.128-8.0.28-0ubuntu1~25.10.1
- dotnet9< 9.0.118-9.0.17-0ubuntu1~25.10.1
1 vendor · 3 products