Go before 1.13.13 and 1.14.x before 1.14.5 has a data race in some net/http servers, as demonstrated by the httputil.ReverseProxy Handler, because it reads a request body and writes a response at the same time.
https://www.cloudfoundry.org/blog/cve-2020-15586/
https://groups.google.com/forum/#!topic/golang-announce/f2c5bqrGH_g
https://groups.google.com/forum/#!topic/golang-announce/XZNfaiwgt2w
http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00077.html
http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00082.html
https://security.netapp.com/advisory/ntap-20200731-0005/
http://lists.opensuse.org/opensuse-security-announce/2020-09/msg00029.html
http://lists.opensuse.org/opensuse-security-announce/2020-09/msg00030.html
https://lists.debian.org/debian-lts-announce/2020/11/msg00037.html
https://lists.debian.org/debian-lts-announce/2020/11/msg00038.html
Source: MITRE
Published: 2020-07-17
Updated: 2021-06-14
Type: CWE-362
Base Score: 4.3
Vector: AV:N/AC:M/Au:N/C:N/I:N/A:P
Impact Score: 2.9
Exploitability Score: 8.6
Severity: MEDIUM
Base Score: 5.9
Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
Impact Score: 3.6
Exploitability Score: 2.2
Severity: MEDIUM