SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

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.

HIGH 7.5EPSS 4.56%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (4.56%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

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 3.1
7.5 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS
4.56% probability · 91th percentile
CISA KEV
Not listed
Affected
golang/go · golang/hpack · golang/http2
Source
security@golang.org

References

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.