FreeBSD VuXML: Documenting security issues in FreeBSD and the FreeBSD Ports Collection

h2o -- HTTP/2 Rapid Reset attack vulnerability

Affected packages
h2o <= 2.2.6
h2o-devel < 2.3.0.d.20231010

Details

VuXML ID bf545001-b96d-42e4-9d2e-60fdee204a43
Discovery 2023-10-10
Entry 2023-10-10

Kazuo Okuhu reports:

H2O is vulnerable to the HTTP/2 Rapid Reset attack. An attacker might be able to consume more than adequate amount of processing power of h2o and the backend servers by mounting the attack.

References

CVE Name CVE-2023-44487
URL https://github.com/h2o/h2o/security/advisories/GHSA-2m7v-gc89-fjqf