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.
6.0.108-0ubuntu1~22.04.16.0.109-0ubuntu1~22.04.16.0.110-0ubuntu1~22.04.16.0.111-0ubuntu1~22.04.16.0.113-0ubuntu1~22.04.16.0.116-0ubuntu1~22.04.16.0.118-0ubuntu1~22.04.16.0.119-0ubuntu1~22.04.16.0.120-0ubuntu1~22.04.16.0.121-0ubuntu1~22.04.1+1 more6.0.123-0ubuntu1~22.04.17.0.105-0ubuntu1~22.04.17.0.107-0ubuntu1~22.04.17.0.108-0ubuntu1~22.04.17.0.109-0ubuntu1~22.04.17.0.110-0ubuntu1~22.04.17.0.111-0ubuntu1~22.04.17.0.112-0ubuntu1~22.04.18.0.100-8.0.0~rc1-0ubuntu18.0.100-8.0.0~rc2-0ubuntu18.0.100-8.0.0~rc2-0ubuntu28.0.100-8.0.0-0ubuntu18.0.102-8.0.2-0ubuntu1~22.04.12.2.5+dfsg2-62.2.5+dfsg2-6.12.2.5+dfsg2-6.1ubuntu12.2.5+dfsg2-6.1ubuntu22.2.3+dfsg-22.2.4+dfsg-12.2.4+dfsg-1build12.2.4+dfsg-1ubuntu0.1~esm22.2.5+dfsg2-8.1ubuntu32.2.5+dfsg2-11~build2.2.5+dfsg2-8.1ubuntu32.2.5+dfsg2-112.2.5+dfsg2-32.2.5+dfsg2-3build12.2.5+dfsg2-72.2.5+dfsg2-82.2.5+dfsg2-8.1ubuntu12.2.5+dfsg2-8.1ubuntu22.2.5+dfsg2-8.1ubuntu3Exploitability
AV:NAC:LPR:NUI:NScope
S:UImpact
C:NI:NA:HCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H