CVE-2022-41717 - CVE House
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Status published Medium CVE-2022-41717

Excessive memory growth in net/http and golang.org/x/net/http2

Vulnerability Description

An attacker can cause excessive memory growth in a Go server accepting HTTP/2 requests. HTTP/2 server connections contain a cache of HTTP header keys sent by the client. While the total number of entries in this cache is capped, an attacker sending very large keys can cause the server to allocate approximately 64 MiB per open connection.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

The following person or organization is credited with identifying this vulnerability, as recorded in the NVD database:

  • Josselin Costanzi

References

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Affected Vendor

Go standard library

View all reports →

Affected Software

net/http, golang.org/x/net/http2
Vulnerable Versions:
0, 1.19.0-0

Timeline

Official Publish: December 8th, 2022
Last Modified: February 13th, 2025
Added to House: July 21st, 2026

CVSS Vectors

V3: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

Weaknesses (CWE)

No CWE data available

MITRE ATT&CK TTPs

No associated TTPs found for this vulnerability.