CVE-2023-26964

Published: Apr 11, 2023Modified: Jun 17, 2026

7.5

Vector

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

Exploitability: 3.9 / Impact: 3.6

Source: NVD

Description

An issue was discovered in hyper v0.13.7. h2-0.2.4 Stream stacking occurs when the H2 component processes HTTP2 RST_STREAM frames. As a result, the memory and CPU usage are high which can lead to a Denial of Service (DoS).

Affected (2)

Products: Hyper: H2, Hyper

Hyper

2 products

Hyper

Configuration A

2 vulnerable

Vulnerable Software	Affected Versions
Hyper H2	Version 0.2.4
Hyper Hyper	Version 0.13.7

Related CWEs

CWE-770

Allocation of Resources Without Limits or Throttling

The product allocates a reusable resource or group of resources on behalf of an actor without imposing any restrictions on the size or number of resources that can be allocated, in violation of the intended security policy for that actor.

References (6)

https://github.com/hyperium/hyper/issues/2877

Source: cve@mitre.org

ExploitIssue Tracking

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ZHBAE7LQARMPUEEV4TWET4D7G6WCWBUD/

Source: cve@mitre.org

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ZYRZ5Y2ALATKKPIITAFAJIS4TR4LUAHO/

Source: cve@mitre.org

https://github.com/hyperium/hyper/issues/2877

Source: af854a3a-2127-422b-91ae-364da2661108

ExploitIssue Tracking

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ZHBAE7LQARMPUEEV4TWET4D7G6WCWBUD/

Source: af854a3a-2127-422b-91ae-364da2661108

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ZYRZ5Y2ALATKKPIITAFAJIS4TR4LUAHO/

Source: af854a3a-2127-422b-91ae-364da2661108

Timeline

No history available yet.