CVE-2022-31394

high

Description

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.

References

https://github.com/hyperium/hyper/pull/2828

https://github.com/hyperium/hyper/issues/2826

https://github.com/hyperium/hyper/compare/v0.14.18...v0.14.19

https://euvd.enisa.europa.eu/vulnerability/EUVD-2022-52907

Details

Source: Mitre, NVD

Published: 2023-02-21

Updated: 2026-06-17

Risk Information

CVSS v2

Base Score: 7.8

Vector: CVSS2#AV:N/AC:L/Au:N/C:N/I:N/A:C

Severity: High

CVSS v3

Base Score: 7.5

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H