CVE catalog
CVE-2021-31525
golang-golang-x-net: CVE-2021-31525
- Severity
- Medium · CVSS 6.5
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H - Published
- Source
- [NVD] · [CVE record]
- EPSS
- 3.69% · Oct 25, 2026
net/http in Go before 1.15.12 and 1.16.x before 1.16.4 allows remote attackers to cause a denial of service (panic) via a large header to ReadRequest or ReadResponse. Server, Transport, and Client can each be affected in some configurations.
Vulnerable and fixed packages
Distribution-reported package versions and fixes. These do not depend on matching against the OpenFactory package catalog.
| Distribution | Package | Release | Version | Status |
|---|---|---|---|---|
| Debian | golang-golang-x-net | sid | 1:0.61.0-1 | fixed |
| Debian | golang-golang-x-net | forky | 1:0.61.0-1 | fixed |
| Debian | golang-golang-x-net | trixie | 1:0.27.0-2 | fixed |
| Debian | golang-golang-x-net | bookworm | 1:0.7.0+dfsg-1 | fixed |
| Go | golang.org/x/net | Not reported | 0.0.0-20210428140749-89ef3d95e781 | fixed |
| Go | stdlib | Not reported | 1.16.4 | fixed |
| Go | stdlib | Not reported | 1.15.12 | fixed |
| Go | golang.org/x/net | Not reported | 0.0.0-20210428140749-89ef3d95e781 | fixed |
| Ubuntu | golang-golang-x-net-dev | pro | 1:0.0+git20190811.74dc4d7+dfsg-1 | vulnerable |
| Ubuntu | golang-golang-x-net-dev | pro | 1:0.0+git20190811.74dc4d7+dfsg-1ubuntu0.1~esm1 | vulnerable |
| Ubuntu | golang-golang-x-net-dev | pro | 1:0.0+git20190811.74dc4d7+dfsg-1ubuntu0.1~esm2 | vulnerable |
| Ubuntu | golang-golang-x-net-dev | pro | 1:0.0+git20190811.74dc4d7+dfsg-1ubuntu0.1~esm3 | vulnerable |
| Ubuntu | google-guest-agent | pro | 20201217.02-0ubuntu1~16.04.0 | vulnerable |
| Ubuntu | google-guest-agent | pro | 20230426.00-0ubuntu2~16.04.3 | vulnerable |
| Ubuntu | google-guest-agent | pro | 20231004.02-0ubuntu1~16.04.1 | vulnerable |
| Ubuntu | google-guest-agent | pro | 20231004.02-0ubuntu1~16.04.2 | vulnerable |
| Ubuntu | google-guest-agent | pro | 20240716.00-0ubuntu1~16.04.0 | vulnerable |
| Ubuntu | google-guest-agent | pro | 20240716.00-0ubuntu1~16.04.0+esm1 | vulnerable |
| Ubuntu | google-guest-agent | pro | 20240716.00-0ubuntu1~16.04.0+esm2 | vulnerable |
| Ubuntu | google-guest-agent | pro | 20240716.00-0ubuntu1~16.04.0+esm3 | vulnerable |
| Ubuntu | golang-1.16 | pro | 1.16.2-0ubuntu1~20.04 | vulnerable |
| Ubuntu | golang-1.16 | pro | 1.16.2-0ubuntu1~20.04.1 | vulnerable |
| Ubuntu | golang-1.16 | pro | 1.16.2-0ubuntu1~20.04.1+esm1 | vulnerable |
| Suse | go1.15 | linux enterprise module for development tools 15 sp2 | 1.15.12-1.30.1 | fixed |
| Suse | go1.15 | linux enterprise module for development tools 15 sp3 | 1.15.12-1.30.1 | fixed |
| Suse | go1.16 | linux enterprise module for development tools 15 sp2 | 1.16.4-1.14.2 | fixed |
| Suse | go1.16 | linux enterprise module for development tools 15 sp3 | 1.16.4-1.14.2 | fixed |
| Opensuse | go1.15 | leap 15.2 | 1.15.12-lp152.17.1 | fixed |
Fixed-version evidence
| Distribution | Package | Type | Release | Fixed version | Urgency | Origin | Bugs |
|---|---|---|---|---|---|---|---|
| Debian | golang-golang-x-net | source | sid | 1:0.0+git20210119.5f4716e+dfsg-3 | not yet assigned | Not reported | Not reported |
| Debian | golang-golang-x-net | source | forky | 1:0.0+git20210119.5f4716e+dfsg-3 | not yet assigned | Not reported | Not reported |
| Debian | golang-golang-x-net | source | trixie | 1:0.0+git20210119.5f4716e+dfsg-3 | not yet assigned | Not reported | Not reported |
| Debian | golang-golang-x-net | source | bookworm | 1:0.0+git20210119.5f4716e+dfsg-3 | not yet assigned | Not reported | Not reported |
| Go | golang.org/x/net | Go | Not reported | 0.0.0-20210428140749-89ef3d95e781 | Not reported | GHSA-H86H-8PPG-MXMH | Not reported |
| Go | stdlib | Go | Not reported | 1.16.4 | Not reported | GO-2022-0236 | Not reported |
| Go | stdlib | Go | Not reported | 1.15.12 | Not reported | GO-2022-0236 | Not reported |
| Go | golang.org/x/net | Go | Not reported | 0.0.0-20210428140749-89ef3d95e781 | Not reported | GO-2022-0236 | Not reported |
| Suse | go1.15 | rpm | linux enterprise module for development tools 15 sp2 | 1.15.12-1.30.1 | Not reported | SUSE-SU-2021:2082-1 | Not reported |
| Suse | go1.15 | rpm | linux enterprise module for development tools 15 sp3 | 1.15.12-1.30.1 | Not reported | SUSE-SU-2021:2082-1 | Not reported |
| Suse | go1.16 | rpm | linux enterprise module for development tools 15 sp2 | 1.16.4-1.14.2 | Not reported | SUSE-SU-2021:2085-1 | Not reported |
| Suse | go1.16 | rpm | linux enterprise module for development tools 15 sp3 | 1.16.4-1.14.2 | Not reported | SUSE-SU-2021:2085-1 | Not reported |
| Opensuse | go1.15 | rpm | leap 15.2 | 1.15.12-lp152.17.1 | Not reported | OPENSUSE-SU-2021:0904-1 | Not reported |
OpenFactory catalog packages
[Debian 12 (Bookworm)]
- [golang-golang-x-net-dev]Fixed
Source package: [golang-golang-x-net]
Details (2)
1:0.7.0+dfsg-1· all · bookwormFixed · Fixed:
1:0.0+git20210119.5f4716e+dfsg-3dsa · golang-golang-x-net · debian · bookworm; dsa · golang-golang-x-net · debian · 12
1:0.7.0+dfsg-1· all · bookwormFixed · Fixed:
1:0.0+git20210119.5f4716e+dfsg-3dsa · golang-golang-x-net · debian · bookworm; dsa · golang-golang-x-net · debian · 12
[Debian 13 (Trixie)]
- [golang-golang-x-net-dev]Fixed
Source package: [golang-golang-x-net]
Details (4)
1:0.27.0-2· all · trixieFixed · Fixed:
1:0.0+git20210119.5f4716e+dfsg-3dsa · golang-golang-x-net · debian · 13
1:0.27.0-2· all · trixieFixed · Fixed:
1:0.0+git20210119.5f4716e+dfsg-3dsa · golang-golang-x-net · debian · 13
1:0.53.0-2~bpo13+1· all · trixie-backportsFixed · Fixed:
1:0.0+git20210119.5f4716e+dfsg-3dsa · golang-golang-x-net · debian · 13
1:0.53.0-2~bpo13+1· all · trixie-backportsFixed · Fixed:
1:0.0+git20210119.5f4716e+dfsg-3dsa · golang-golang-x-net · debian · 13
Observed:
References
- [https://ftp.suse.com/pub/projects/security/csaf/rhsa-2021_3076.json]
- [https://osv.dev/vulnerability/DEBIAN-CVE-2021-31525]
- [https://osv.dev/vulnerability/GO-2022-0236]
- [https://osv.dev/vulnerability/SUSE-SU-2021:2082-1]
- [https://osv.dev/vulnerability/SUSE-SU-2021:2085-1]
- [https://osv.dev/vulnerability/UBUNTU-CVE-2021-31525]
- [https://osv.dev/vulnerability/openSUSE-SU-2021:0904-1]
- [https://security-tracker.debian.org/tracker/CVE-2021-31525]
- [https://security.access.redhat.com/data/csaf/v2/vex/2021/cve-2021-31525.json]
- [https://wid.cert-bund.de/.well-known/csaf/white/2022/wid-sec-w-2022-0510.json]
[CERT-Bund public advisories] · [Debian Security Tracker] · [FIRST EPSS] · [OSV Package Vulnerability Database] · [Red Hat security advisories and VEX] · [SUSE security advisories and VEX]