CVE catalog
CVE-2021-34558
UBUNTU-CVE-2021-34558
- Severity
- Medium · CVSS 6.5
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H - Published
- Updated
- Source
- [NVD] · [CVE record]
- EPSS
- 6.98% · Oct 25, 2026
The crypto/tls package of Go through 1.16.5 does not properly assert that the type of public key in an X.509 certificate matches the expected type when doing a RSA based key exchange, allowing a malicious TLS server to cause a TLS client to panic.
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-1.15 | 11 | 1.15.9-6 | fixed |
| Suse | go1.15 | linux enterprise module for development tools 15 sp2 | 1.15.14-1.36.1 | fixed |
| Suse | go1.15 | linux enterprise module for development tools 15 sp3 | 1.15.14-1.36.1 | fixed |
| Opensuse | go1.15 | leap 15.3 | 1.15.14-1.36.1 | fixed |
| Opensuse | go1.15 | leap 15.2 | 1.15.14-lp152.23.1 | fixed |
| Opensuse | go1.16 | leap 15.2 | 1.16.6-lp152.5.1 | fixed |
| Opensuse | go1.16 | leap 15.3 | 1.16.6-1.20.1 | fixed |
| Suse | go1.16 | linux enterprise module for development tools 15 sp2 | 1.16.6-1.20.1 | fixed |
| Suse | go1.16 | linux enterprise module for development tools 15 sp3 | 1.16.6-1.20.1 | fixed |
| Ubuntu | golang-1.10 | 14.04 | 1.10.4-2ubuntu1~14.04.1 | vulnerable |
| Ubuntu | golang-1.10 | 16.04 | 1.10.4-2ubuntu1~16.04.1 | vulnerable |
| Ubuntu | golang-1.10 | 16.04 | 1.10.4-2ubuntu1~16.04.2 | vulnerable |
| Ubuntu | golang-1.6 | 16.04 | 1.6-0ubuntu1 | vulnerable |
| Ubuntu | golang-1.6 | 16.04 | 1.6-0ubuntu2 | vulnerable |
| Ubuntu | golang-1.6 | 16.04 | 1.6-0ubuntu3 | vulnerable |
| Ubuntu | golang-1.6 | 16.04 | 1.6-0ubuntu4 | vulnerable |
| Ubuntu | golang-1.6 | 16.04 | 1.6-0ubuntu5 | vulnerable |
| Ubuntu | golang-1.6 | 16.04 | 1.6.1-0ubuntu1 | vulnerable |
| Ubuntu | golang-1.6 | 16.04 | 1.6.2-0ubuntu5~16.04 | vulnerable |
| Ubuntu | golang-1.6 | 16.04 | 1.6.2-0ubuntu5~16.04.2 | vulnerable |
| Ubuntu | golang-1.6 | 16.04 | 1.6.2-0ubuntu5~16.04.3 | vulnerable |
| Ubuntu | golang-1.6 | 16.04 | 1.6.2-0ubuntu5~16.04.4 | vulnerable |
| Ubuntu | golang-1.13 | pro | 1.13.8-1ubuntu2 | vulnerable |
| Ubuntu | golang-1.13 | pro | 1.13.8-1ubuntu2.22.04.1 | vulnerable |
| Ubuntu | golang-1.13 | pro | 1.13.8-1ubuntu2.22.04.1+esm1 | vulnerable |
| Ubuntu | golang-1.13 | pro | 1.13.8-1ubuntu2.22.04.2 | vulnerable |
| Ubuntu | golang-1.10 | 18.04 | 1.10~rc1-1 | vulnerable |
| Ubuntu | golang-1.10 | 18.04 | 1.10~rc1-1ubuntu1 | vulnerable |
| Ubuntu | golang-1.10 | 18.04 | 1.10~rc1-2ubuntu1 | vulnerable |
| Ubuntu | golang-1.10 | 18.04 | 1.10~rc2-1ubuntu1 | vulnerable |
| Ubuntu | golang-1.10 | 18.04 | 1.10-1ubuntu1 | vulnerable |
| Ubuntu | golang-1.10 | 18.04 | 1.10.1-1ubuntu2 | vulnerable |
| Ubuntu | golang-1.10 | 18.04 | 1.10.4-2ubuntu1~18.04.1 | vulnerable |
| Ubuntu | golang-1.10 | 18.04 | 1.10.4-2ubuntu1~18.04.2 | 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 |
| Ubuntu | golang-1.8 | 18.04 | 1.8.3-2ubuntu1 | vulnerable |
| Ubuntu | golang-1.8 | 18.04 | 1.8.3-2ubuntu1.18.04.1 | vulnerable |
| Ubuntu | golang-1.9 | 18.04 | 1.9.1-2ubuntu1 | vulnerable |
| Ubuntu | golang-1.9 | 18.04 | 1.9.2-1ubuntu1 | vulnerable |
| Ubuntu | golang-1.9 | 18.04 | 1.9.2-3ubuntu1 | vulnerable |
| Ubuntu | golang-1.9 | 18.04 | 1.9.3-1ubuntu1 | vulnerable |
| Ubuntu | golang-1.9 | 18.04 | 1.9.4-1ubuntu1 | vulnerable |
| Ubuntu | golang-1.13 | 20.04 | 1.13.1-1ubuntu1 | vulnerable |
| Ubuntu | golang-1.13 | 20.04 | 1.13.3-1ubuntu1 | vulnerable |
| Ubuntu | golang-1.13 | 20.04 | 1.13.4-1ubuntu1 | vulnerable |
| Ubuntu | golang-1.13 | 20.04 | 1.13.5-1ubuntu1 | vulnerable |
| Ubuntu | golang-1.13 | 20.04 | 1.13.6-1ubuntu1 | vulnerable |
| Ubuntu | golang-1.13 | 20.04 | 1.13.6-2ubuntu1 | vulnerable |
| Ubuntu | golang-1.13 | 20.04 | 1.13.7-1ubuntu1 | vulnerable |
| Ubuntu | golang-1.13 | 20.04 | 1.13.8-1ubuntu1 | vulnerable |
| Ubuntu | golang-1.13 | 20.04 | 1.13.8-1ubuntu1.1 | vulnerable |
| Ubuntu | golang-1.13 | 20.04 | 1.13.8-1ubuntu1.2 | vulnerable |
| Ubuntu | golang-1.14 | 20.04 | 1.14~beta1-1 | vulnerable |
| Ubuntu | golang-1.14 | 20.04 | 1.14~beta1-2 | vulnerable |
| Ubuntu | golang-1.14 | 20.04 | 1.14~rc1-1 | vulnerable |
| Ubuntu | golang-1.14 | 20.04 | 1.14-1 | vulnerable |
| Ubuntu | golang-1.14 | 20.04 | 1.14.1-1 | vulnerable |
| Ubuntu | golang-1.14 | 20.04 | 1.14.2-1 | vulnerable |
| Ubuntu | golang-1.14 | 20.04 | 1.14.2-1ubuntu1 | vulnerable |
| Ubuntu | golang-1.14 | 20.04 | 1.14.3-2ubuntu2~20.04.1 | vulnerable |
| Ubuntu | golang-1.14 | 20.04 | 1.14.3-2ubuntu2~20.04.2 | vulnerable |
Fixed-version evidence
| Distribution | Package | Type | Release | Fixed version | Urgency | Origin | Bugs |
|---|---|---|---|---|---|---|---|
| Debian | golang-1.15 | deb | 11 | 1.15.9-6 | Not reported | DEBIAN-CVE-2021-34558 | Not reported |
| Suse | go1.15 | rpm | linux enterprise module for development tools 15 sp2 | 1.15.14-1.36.1 | Not reported | SUSE-SU-2021:2398-1 | Not reported |
| Suse | go1.15 | rpm | linux enterprise module for development tools 15 sp3 | 1.15.14-1.36.1 | Not reported | SUSE-SU-2021:2398-1 | Not reported |
| Opensuse | go1.15 | rpm | leap 15.3 | 1.15.14-1.36.1 | Not reported | OPENSUSE-SU-2021:2398-1 | Not reported |
| Opensuse | go1.15 | rpm | leap 15.2 | 1.15.14-lp152.23.1 | Not reported | OPENSUSE-SU-2021:1079-1 | Not reported |
| Opensuse | go1.16 | rpm | leap 15.2 | 1.16.6-lp152.5.1 | Not reported | OPENSUSE-SU-2021:1078-1 | Not reported |
| Opensuse | go1.16 | rpm | leap 15.3 | 1.16.6-1.20.1 | Not reported | OPENSUSE-SU-2021:2392-1 | Not reported |
| Suse | go1.16 | rpm | linux enterprise module for development tools 15 sp2 | 1.16.6-1.20.1 | Not reported | SUSE-SU-2021:2392-1 | Not reported |
| Suse | go1.16 | rpm | linux enterprise module for development tools 15 sp3 | 1.16.6-1.20.1 | Not reported | SUSE-SU-2021:2392-1 | Not reported |
OpenFactory catalog packages
No matching packages in this catalog.
Observed:
References
- [https://ftp.suse.com/pub/projects/security/csaf/rhsa-2021_3076.json]
- [https://osv.dev/vulnerability/DEBIAN-CVE-2021-34558]
- [https://osv.dev/vulnerability/SUSE-SU-2021:2392-1]
- [https://osv.dev/vulnerability/SUSE-SU-2021:2398-1]
- [https://osv.dev/vulnerability/UBUNTU-CVE-2021-34558]
- [https://osv.dev/vulnerability/openSUSE-SU-2021:1078-1]
- [https://osv.dev/vulnerability/openSUSE-SU-2021:1079-1]
- [https://osv.dev/vulnerability/openSUSE-SU-2021:2392-1]
- [https://osv.dev/vulnerability/openSUSE-SU-2021:2398-1]
- [https://security.access.redhat.com/data/csaf/v2/vex/2021/cve-2021-34558.json]
[FIRST EPSS] · [OSV Package Vulnerability Database] · [Red Hat security advisories and VEX] · [SUSE security advisories and VEX]