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CVE-2023-26964

Good to know:

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Date: April 10, 2023

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).

Language: RUST

Severity Score

Related Resources (10)

https://rustsec.org/advisories/RUSTSEC-2023-0034.html
https://nvd.nist.gov/vuln/detail/CVE-2023-26964
https://crates.io/crates/h2
https://github.com/hyperium/h2/issues/621
https://github.com/hyperium/hyper
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ZYRZ5Y2ALATKKPIITAFAJIS4TR4LUAHO/
https://github.com/hyperium/hyper/issues/2877
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ZHBAE7LQARMPUEEV4TWET4D7G6WCWBUD/
https://github.com/hyperium/h2/pull/668
https://www.mend.io/vulnerability-database/CVE-2023-26964

Severity Score

Weakness Type (CWE)

Allocation of Resources Without Limits or Throttling

CWE-770

Top Fix

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Upgrade Version

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CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): NONE
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): NONE
Integrity (I): NONE
Availability (A): HIGH

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