7.5

CVE-2022-41723: Denial of service via crafted HTTP/2 stream in net/http and golang.org/x/net

Modified
AliasesRHSA-2023:7058RHSA-2024:0948UBUNTU-CVE-2022-41723
Published 28-02-2023Last modified 05-05-2025

Vulnerability summary

CVE-2022-41723 is a high (CVSS 7.5) vulnerability in go standard library net/http. EPSS estimates a 4.56% chance of exploitation in the next 30 days, higher than 91.6% of scored vulnerabilities.

Priority
Prioritisesevere

Severe, CVSS 7.5 (CVE.org); no exploitation reported by the 5 checked sources; EPSS 5% (FIRST, 03-11-2026)

Source freshness unavailable

How is this decided?
CVSS score
7.5/10
010
High · v3.1 (CVE.org)
EPSS score
4.56%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedNot listed by any tracked catalog.
RansomwareNot flaggedNo ransomware use recorded.
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 45 · Related 71

Timeline

  1. 28-02-2023
    PublishedVulnerability first disclosed.
  2. 05-05-2025
    Last modifiedVulnerability 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

9 scores · 9 sources · 1 version

EPSS trend

Probability

4.56%

Chance of exploitation in the next 30 days

Percentile

92%

Versus all other CVEs

30-day change

No change 0.00 pp

From 4.56% on 04-10-2026

04-10-202603-11-2026

Known exploited

Compare KEV catalogs
CISA KEV

Not in the CISA KEV catalog.

ENISA CNW

Not in the ENISA CNW catalog.

CIRCL

Not in the CIRCL catalog.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

No weakness data has been published for this record.

Affected systems

Version check

Known conditions: network-reachable, no authentication, no user interaction (CVSS vector). Other conditions: not stated in public data.

Chainguard54 products
  • cadvisorAll versions (No fix recorded)
  • dynamic-localpv-provisioner< 3.4.1-r3
  • dynamic-localpv-provisioner-fips< 3.5.0-r0
  • gke-gcloud-auth-plugin< 0.0.2-r6
  • go-1.20< 1.20.1-r1
Wolfi36 products
  • cadvisorAll versions (No fix recorded)
  • dynamic-localpv-provisioner< 3.4.1-r3
  • gke-gcloud-auth-plugin< 0.0.2-r6
  • go-1.20< 1.20.1-r1
  • grpcurl< 1.8.7-r7
Ubuntu15 products
  • adsys< 0.9.2~20.04.2ubuntu0.1+esm1
  • golang-1.10All versions (No fix recorded)
  • golang-1.13All versions (No fix recorded)
  • golang-1.14All versions (No fix recorded)
  • golang-1.16All versions (No fix recorded)
Redhat14 products
  • podman< 3:4.4.1-5.1.rhaos4.13.el8 | < 3:4.4.1-6.1.1.rhaos4.13.el9
  • podman-catatonit< 3:4.4.1-5.1.rhaos4.13.el8
  • podman-catatonit-debuginfo< 3:4.4.1-5.1.rhaos4.13.el8
  • podman-debuginfo< 3:4.4.1-5.1.rhaos4.13.el8 | < 3:4.4.1-6.1.1.rhaos4.13.el9
  • podman-debugsource< 3:4.4.1-5.1.rhaos4.13.el8 | < 3:4.4.1-6.1.1.rhaos4.13.el9
Golang3 products
Opensuse3 products
  • docker-compose&distro=openSUSE Tumbleweed< 2.17.0-1.1
  • golang-github-prometheus-prometheus&distro=openSUSE Tumbleweed< 2.46.0-2.1
  • grafana&distro=openSUSE Tumbleweed< 9.3.6-2.1
Alpine2 products
  • go< 1.19.6-r0 | < 1.20.1-r0
  • podman< 4.4.3-r0
Debian2 products
  • golang-1.19< 1.19.6-2
  • golang-golang-x-net< 1:0.7.0+dfsg-1
Golang.org/x/net2 products
Go1 product
  • stdlib≥ 1.20.0-0, < 1.20.1
Go standard library1 product
  • net/http< 1.19.6 | ≥ 1.20.0-0, < 1.20.1
Golang.org/x1 product
  • net< 0.7.0

12 vendors · 134 products

References

52 links
Show all 52 references