CVE-2023-44487 in .NET 6 runtime 6.*
The HTTP/2 protocol allows a denial of service (server resource consumption) because request cancellation can reset many streams quickly, as exploited in the wild in August through October 2023.
- Severity
- High 7.5
- Exploitation
-
Exploited
Fix by 2023-10-31 - CISA says
- Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
- Fix
- Update to 6.0.23, 7.0.12
- Where
- App / API
- How it matched
- Version line match
- First seen
- 2026-11-05 01:13:58 UTC
- Source
- https://nvd.nist.gov/vuln/detail/CVE-2023-44487