CVE-2024-21386: Important · .NET 7.0 security update
Affects aspnetcore-runtime-7.0Source GCVE Database
Mentioned vulnerabilities
Not known to be exploited · fixed in 7.0.19-1.el9_4 : patch aspnetcore-runtime-7.0 soon.
Data as of 5 Nov 2026, 20:05 UTC
Rated High by Threat Radar's AI analysis · No CVSS score from NVD or the CNA
- Patch
- Available – fixed in 7.0.19-1.el9_4, 7.0.119-1.el9_4
Exploitation evidence
Disclosed: evidence found.
CVE published 15 May 2024
Detectable: no evidence on record.
No public nuclei template indexed
Weaponized: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors
A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 5 Nov 2026.
What to do
Upgrade the AlmaLinux to 7.0.19-1.el9_4 (aspnetcore-runtime-7.0 package, aspnetcore-targeting-pack-7.0 package, dotnet-apphost-pack-7.0 package, dotnet-hostfxr-7.0 package, dotnet-runtime-7.0 package, dotnet-targeting-pack-7.0 package) or 7.0.119-1.el9_4 (dotnet-sdk-7.0 package, dotnet-sdk-7.0-source-built-artifacts package, dotnet-templates-7.0 package).
Patches and advisories
Affected software
| Product | Affected | Fixed in |
|---|---|---|
| AlmaLinux 9aspnetcore-runtime-7.0 | Affected
| Fixed in
|
| AlmaLinux 9aspnetcore-targeting-pack-7.0 | Affected
| Fixed in
|
| AlmaLinux 9dotnet-apphost-pack-7.0 | Affected
| Fixed in
|
| AlmaLinux 9dotnet-hostfxr-7.0 | Affected
| Fixed in
|
| AlmaLinux 9dotnet-runtime-7.0 | Affected
| Fixed in
|
| AlmaLinux 9dotnet-sdk-7.0 | Affected
| Fixed in
|
Check your own hosts for these packages with threat-finder (opens in a new tab), our free open-source scanner.
AI-suggested
A security update is available and should be applied. Users should upgrade to .NET SDK 7.0.119 and .NET Runtime 7.0.19 or later as provided by Red Hat for their respective platforms. The vendor advisory provides detailed instructions for applying these updates. No additional mitigation steps are indicated beyond applying the official patches.
Description
.NET 7.0 contains security vulnerabilities that have been addressed in updated versions .NET SDK 7.0.119 and .NET Runtime 7.0.19. The fixes address a stack buffer overrun in Double Parse (CVE-2024-30045) and a denial of service in ASP.NET Core caused by a deadlock in Http2OutputProducer.Stop() (CVE-2024-30046). These updates are available for Red Hat Enterprise Linux 9 and related distributions.
References
- access.redhat.com/errata/RHSA-2024:2843 (opens in a new tab)
- access.redhat.com/security/cve/CVE-2024-30045 (opens in a new tab)
- access.redhat.com/security/cve/CVE-2024-30046 (opens in a new tab)
- bugzilla.redhat.com/2279695 (opens in a new tab)
- bugzilla.redhat.com/2279697 (opens in a new tab)
- errata.almalinux.org/9/ALSA-2024-2843.html (opens in a new tab)
- redhat.com/security/data/cve/CVE-2024-21386.html (opens in a new tab)
- redhat.com/security/data/cve/CVE-2024-21404.html (opens in a new tab)