High [CVE-2021-22999] On versions 15.0.x before 15.1.0 and 14.1.x before 14.1.4, the BIG-IP system provides an option to connect HTTP/2 clients to…
This high-severity F5 advisory covers CVE-2021-22999 affecting BIG-IP.
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Summary
On versions 15.0.x before 15.1.0 and 14.1.x before 14.1.4, the BIG-IP system provides an option to connect HTTP/2 clients to HTTP/1.x servers. When a client is slow to accept responses and it closes a connection prematurely, the BIG-IP system may indefinitely retain some streams unclosed.
Note: Software versions which have reached End of Software Development (EoSD) are not evaluated.
- 15.0.x
- 14.1.x
Official advisory · high-confidence parse· fetched 2 months ago·verify at source
- 15.1.0
- 14.1.4
Official advisory · high-confidence parse· fetched 2 months ago·verify at source
Mitigation
Upgrade to a fixed release: 15.1.0, 14.1.4. That is the remediation for this advisory.
The vendor advisory may list additional interim mitigations or workarounds not captured here — review it before change work.
Official advisory · high-confidence parse· fetched 2 months ago·verify at source
Discussion(0)
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