Linux · Security advisory · June 26, 2026
ELSA-2026-21293: Security update for 12 packages
ELSA-2026-21293, released June 26, 2026, fixes 2 CVEs across 12 products. None of them is reported as exploited. Patch Radar priority: High.
High
CVEs closed
2
None rated Critical
Exploited
0
None reported
Exploitation more likely
0
Vendor assessment
Highest EPSS
0.0243
84th percentile
Priority of the 2 CVEs
Patch now 0
Urgent 0
High 2
Routine 0
Fixed package versions
| Product | Release | Fixed in |
|---|---|---|
| aspnetcore-runtime-8.0 | ol 9 | 0:8.0.28-1.0.1.el9_8 |
| aspnetcore-runtime-dbg-8.0 | ol 9 | 0:8.0.28-1.0.1.el9_8 |
| aspnetcore-targeting-pack-8.0 | ol 9 | 0:8.0.28-1.0.1.el9_8 |
| dotnet-apphost-pack-8.0 | ol 9 | 0:8.0.28-1.0.1.el9_8 |
| dotnet-hostfxr-8.0 | ol 9 | 0:8.0.28-1.0.1.el9_8 |
| dotnet-runtime-8.0 | ol 9 | 0:8.0.28-1.0.1.el9_8 |
| dotnet-runtime-dbg-8.0 | ol 9 | 0:8.0.28-1.0.1.el9_8 |
| dotnet-sdk-8.0 | ol 9 | 0:8.0.128-1.0.1.el9_8 |
| dotnet-sdk-8.0-source-built-artifacts | ol 9 | 0:8.0.128-1.0.1.el9_8 |
| dotnet-sdk-dbg-8.0 | ol 9 | 0:8.0.128-1.0.1.el9_8 |
| dotnet-targeting-pack-8.0 | ol 9 | 0:8.0.28-1.0.1.el9_8 |
| dotnet-templates-8.0 | ol 9 | 0:8.0.128-1.0.1.el9_8 |
CVEs this fix closes
| Priority | CVE | Title | Impact | CVSS | EPSS | Exploitation |
|---|---|---|---|---|---|---|
| High | CVE-2026-42899 | ASP.NET Core Denial of Service Vulnerability | 7.5 | 0.0243 | Exploitation Unlikely | |
| High | CVE-2026-34043 | node-serialize-javascript: Serialize JavaScript to a superset of JSON that includes regular expressions and functions | 7.5 | 0.0049 | None reported |
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