High severity · published Feb 28, 2023
CVE-2022-41723
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
7.5
CVSS
4.6%
EPSS
No
On KEV
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 vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)4.6% · higher than 92% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
GO
GO · Golang
before 1.19.6; 1.20.0 · source: NVD
HP
Hpack · Golang
before 0.7.0 · source: NVD
HT
Http2 · Golang
before 0.7.0 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2022-41723
CVE.org
https://www.cve.org/CVERecord?id=CVE-2022-41723
Patch
https://go.dev/cl/468135
Patch
https://go.dev/cl/468295
Issue Tracking
https://go.dev/issue/57855
Mailing List
https://groups.google.com/g/golang-announce/c/V0aBFqaFs_E
lists.fedoraproject.org
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/4BUK2ZIAGCULOOYDNH25JPU6JBES5NF2/
Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/4MA5XS5DAOJ5PKKNG5TUXKPQOFHT5VBC/
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