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.
Loading...
Loading...
This high-severity CVE scores 7.5 under NVD CVSS v3. EPSS exploit probability: 0.2%, top 54% of all CVEs by exploit prediction. GitHub Security Advisory data not yet ingested — confidence will rise once GHSA publishes (typical lag: hours to days for open-source ecosystem CVEs; never for infrastructure-only CVEs).
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.
February 28, 2023
May 5, 2025
These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.
Red Hat Security Advisory: OpenShift Container Platform 4.12.48 bug fix and security update
Red Hat Security Advisory: OpenShift Container Platform 4.12.47 security update
Red Hat Security Advisory: OpenShift Container Platform 4.12.46 bug fix and security update
Red Hat Security Advisory: Red Hat OpenShift Data Foundation 4.14.0 security, enhancement & bug fix update
Red Hat Security Advisory: OpenShift Virtualization 4.11.7 Images security and bug fix update
Red Hat Security Advisory: OpenShift Virtualization 4.12.8 Images security update
Red Hat Security Advisory: OpenShift Virtualization 4.13.5 Images security update
Red Hat Security Advisory: OpenShift Container Platform 4.14.0 security update
Patches are aggregated from vendor advisories (Red Hat, Microsoft, Cisco, GitHub) and package ecosystems (OSV, GHSA). Multiple rows for the same upstream release have been deduplicated.
| Package | Vulnerable range | Fixed in | Dependents |
|---|---|---|---|
| golang.org/x/net | — | 0.7.0 | — |
| stdlib | — | 1.20.1 | — |
Vendors that published advisories for this CVE beyond the curated set above. Broader coverage but minimal per-row detail — click through for the original advisory.
Denial of service via crafted HTTP/2 stream in net/http and golang.org/x/net
RHBA-2023:2181 — Moderate
RHBA-2023:3611 — Moderate
RHSA-2023:1325 — Moderate
RHSA-2023:3083 — Moderate
RHSA-2023:3167 — Moderate
RHSA-2023:3305 — Moderate
RHSA-2023:3367 — Moderate
RHSA-2023:3445 — Moderate
RHSA-2023:3447 — Moderate
RHSA-2023:3450 — Moderate
RHSA-2023:3455 — Moderate
RHSA-2023:3495 — Moderate
RHSA-2023:3537 — Moderate
RHSA-2023:3612 — Moderate
RHSA-2023:3614 — Moderate
RHSA-2023:3742 — Moderate
RHSA-2023:3918 — Moderate
RHSA-2023:3943 — Moderate
RHSA-2023:4003 — Moderate
RHSA-2023:4090 — Moderate
Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.
See which npm, PyPI, Go, and Maven packages are affected by CVE-2022-41723
EchelonGraph automatically scans your cloud infrastructure and maps CVE exposure using blast radius analysis.