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.
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (4.25%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
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.
- 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
- 4.25% probability · 91th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-400
- Affected
- golang/go · debian/debian linux · netapp/cloud insights telegraf
- Source
- cve@mitre.org
EPSS 4.3% since 26 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
References
- https://cert-portal.siemens.com/productcert/pdf/ssa-744259.pdf
- https://groups.google.com/g/golang-announce/c/hcmEScgc00kMailing List, Patch, Vendor Advisory
- https://lists.debian.org/debian-lts-announce/2022/01/msg00016.htmlMailing List, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2022/01/msg00017.htmlMailing List, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2023/04/msg00021.html
- https://security.gentoo.org/glsa/202208-02Third Party Advisory
- https://security.netapp.com/advisory/ntap-20220121-0002/Third Party Advisory
- https://cert-portal.siemens.com/productcert/pdf/ssa-744259.pdf
- https://groups.google.com/g/golang-announce/c/hcmEScgc00kMailing List, Patch, Vendor Advisory
- https://lists.debian.org/debian-lts-announce/2022/01/msg00016.htmlMailing List, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2022/01/msg00017.htmlMailing List, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2023/04/msg00021.html
- https://security.gentoo.org/glsa/202208-02Third Party Advisory
- https://security.netapp.com/advisory/ntap-20220121-0002/Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.