What is CVE-2022-31394?

CVE-2022-31394 is a high-severity vulnerability in Hyper, classified under Allocation of Resources Without Limits or Throttling. CVSS score: 7.5/10. Published 2023-02-21.

How severe is CVE-2022-31394?

High severity. CVSS v3 base score is 7.5 out of 10.

Resource exhaustion in Hyper

CVE-2022-31394

Hyperium Hyper before 0.14.19 does not allow for customization of the max_header_list_size method in the H2 third-party software, allowing attackers to perform HTTP2 attacks.

EPSS: 0.011 (61.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

Affected products

Hyper
N/a — versions n/a

Weakness classification (CWE)

CWE-770 — Allocation of Resources Without Limits or Throttling

References

cve@mitre.org (Exploit, Patch, Issue Tracking, Vendor Advisory)
cve@mitre.org (Patch, Issue Tracking)
cve@mitre.org (Patch)

Frequently asked questions

What is CVE-2022-31394?: CVE-2022-31394 is a high-severity vulnerability in Hyper, classified under Allocation of Resources Without Limits or Throttling. CVSS score: 7.5/10. Published 2023-02-21.
How severe is CVE-2022-31394?: High severity. CVSS v3 base score is 7.5 out of 10.