CVE-2021-44716
HIGH7.5EPSS 0.09%Unbounded memory growth in net/http and golang.org/x/net/http2
Published: 1/2/2022Modified: 4/28/2026
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.
Affected packages (6)
- Bitnami/golangfrom 0, < 1.16.12, >= 1.17.0, < 1.17.5
- Debian/golang-1.15from 0, < 1.15.15-1~deb11u2
- Debian/golang-golang-x-netfrom 0
- Go/golang.org/x/netfrom 0, < 0.0.0-20211209124913-491a49abca63
- Go/golang.org/x/net/http2from 0, < 0.0.0-20211209124913-491a49abca63
- Go/stdlibfrom 0, < 1.16.12, >= 1.17.0-0, < 1.17.5
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | HIGH7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
References (13)
- ADVISORYhttps://nvd.nist.gov/vuln/detail/CVE-2021-44716
- ADVISORYhttps://security-tracker.debian.org/tracker/CVE-2021-44716
- WEBhttps://cert-portal.siemens.com/productcert/pdf/ssa-744259.pdf
- WEBhttps://go.dev/cl/369794
- WEBhttps://go.dev/issue/50058
- WEBhttps://groups.google.com/g/golang-announce/c/hcmEScgc00k
- WEBhttps://lists.debian.org/debian-lts-announce/2022/01/msg00016.html
- WEBhttps://lists.debian.org/debian-lts-announce/2022/01/msg00017.html
- WEBhttps://lists.debian.org/debian-lts-announce/2023/04/msg00021.html
- WEBhttps://pkg.go.dev/vuln/GO-2022-0288
- WEBhttps://security.gentoo.org/glsa/202208-02
- WEBhttps://security.netapp.com/advisory/ntap-20220121-0002
- WEBhttps://security.netapp.com/advisory/ntap-20220121-0002/