Resource exhaustion in Golang Go
CVE-2021-44716
net/http in Go before 1.16.12 and 1.17.x before 1.17.5 allows uncontrolled memory consumption in the header canonicalization cache via HTTP/2 requests.
Vulnerability class: DoS (Denial of Service)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.040 (90.1th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 90th percentile — 90.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.040 · newest: 0.040 · change: 0.000
Affected products
- Golang Go
- NetApp Cloud Insights Telegraf
- Debian Linux — versions 9.0
Weakness classification (CWE)
Public proof-of-concept exploits
References
- groups.google.com/g/golang-announce/c/hcmEScgc00k (Patch, Mailing List, Vendor Advisory)
- security.netapp.com/advisory/ntap-20220121-0002/ (Third Party Advisory)
- lists.debian.org/debian-lts-announce/2022/01/msg00016.html (mailing-list, Mailing List, Third Party Advisory)
- lists.debian.org/debian-lts-announce/2022/01/msg00017.html (mailing-list, Mailing List, Third Party Advisory)
- security.gentoo.org/glsa/202208-02 (vendor-advisory, Third Party Advisory)
- cert-portal.siemens.com/productcert/pdf/ssa-744259.pdf
- lists.debian.org/debian-lts-announce/2023/04/msg00021.html (mailing-list)
Frequently asked questions
- What is CVE-2021-44716?
- CVE-2021-44716 is a high-severity vulnerability in Golang Go, classified under Uncontrolled Resource Consumption. CVSS score: 7.5/10. Published 2022-01-01.
- How severe is CVE-2021-44716?
- High severity. CVSS v3 base score is 7.5 out of 10.
- Is CVE-2021-44716 known to be exploited?
- 8 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.