CVE-2022-41723

Aliases:GHSA-vvpx-j8f3-3w6hBIT-golang-2022-41723GO-2023-1571
Advisory lineage Upstream: 0 Downstream: 50
Modified
Published: 28 Feb 2023, 17:19
Last modified:05 May 2025, 16:12

Vulnerability Summary

Overall Risk (default)
medium
30/100
CVSS Score
7.5 HIGH
v3.1 (cve.org)
EPSS Score
0.23% LOW
0% probability 0.00%
KEV
Not listed
Ransomware
No reports
Public exploits
None found
Dark Web
Not detected

Timeline

28 Feb 2023, 17:19
Published
Vulnerability first disclosed
05 May 2025, 16:12
Last Modified
Vulnerability information updated

Description

A maliciously crafted HTTP/2 stream could cause excessive CPU consumption in the HPACK decoder, sufficient to cause a denial of service from a small number of small requests.

CVSS Metrics

  • v3.1•HIGH•Score: 7.5CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

EPSS Trends

Current EPSS score: 0.23%• Percentile: 45%

Affected Systems

  • go standard library•net/http

    < 1.19.6 | ≥ 1.20.0-0, < 1.20.1

  • golang•go

    < 1.19.6 | 1.20.0

  • golang.org/x•net

    < 0.7.0

  • golang•hpack

    < 0.7.0

  • golang•http2

    < 0.7.0

  • Go•stdlib

    ≥ 1.20.0-0, < 1.20.1

  • golang.org/x/net•golang.org/x/net/http2

    < 0.7.0

  • golang.org/x/net•golang.org/x/net/http2/hpack

    < 0.7.0

References (25)