Red Hat Security Advisory: .NET 10.0 security update
Affects Red Hat .NET 10.0Source GCVE Database
Mentioned vulnerabilities
Not known to be exploited · CVSS 7.5 High · fixed in Red Hat package updates : patch Red Hat .NET 10.0 soon.
Data as of 5 Nov 2026, 23:02 UTC
- Patch
- Available – fixed in 10.0.4, 9.0.14
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:CExploitation evidence
Disclosed: evidence found.
CVE published 10 Mar 2026
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 .NET 10.0 and Microsoft.Bcl.Memory to 10.0.4; .NET 9.0 and Microsoft.Bcl.Memory to 9.0.14.
Affected software
| Product | Affected | Fixed in |
|---|---|---|
| Microsoft.NET 10.0 | Affected
| Fixed in
|
| Microsoft.NET 9.0 | Affected
| Fixed in
|
| MicrosoftMicrosoft.Bcl.Memory | Affected
| Fixed in
|
| MicrosoftMicrosoft.Bcl.Memory | Affected
| Fixed in
|
AI-suggested
Red Hat has released fixed versions: .NET SDK 10.0.104 and .NET Runtime 10.0.4. Users should apply these updates as detailed in the Red Hat advisory (https://access.redhat.com/articles/11258). No additional mitigation or workaround is indicated. Systems running affected versions should be updated promptly to remediate the vulnerabilities.
Description
.NET 10.0 for Red Hat Enterprise Linux contains security vulnerabilities that could allow denial of service attacks. These include an out-of-bounds read in the .NET runtime and uncontrolled resource allocation in ASP.NET Core. Updated versions .NET SDK 10.0.104 and .NET Runtime 10.0.4 address these issues.
References
- access.redhat.com/errata/RHSA-2026:4445 (opens in a new tab)
- access.redhat.com/security/updates/classification/ (opens in a new tab)
- bugzilla.redhat.com/show_bug.cgi?id=2446098 (opens in a new tab)
- bugzilla.redhat.com/show_bug.cgi?id=2446134 (opens in a new tab)
- security.access.redhat.com/data/csaf/v2/advisories/2026/rhsa-2026_4445.json (opens in a new tab)