Description
In Erlang/OTP before 23.3.4.15, 24.x before 24.3.4.2, and 25.x before 25.0.2, there is a Client Authentication Bypass in certain client-certification situations for SSL, TLS, and DTLS.
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Debian
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 14 | erlang | 1:24.3.4.5+dfsg-1 | — |
| Debian 13 | erlang | 1:24.3.4.5+dfsg-1 | — |
| Debian 12 | erlang | 1:24.3.4.5+dfsg-1 | — |
| Debian 10 | erlang | 1:22.2.7+dfsg-1+deb10u1 | DLA-3491-1 |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 22.04 LTS | erlang | 1:24.2.1+dfsg-1ubuntu0.1 | USN-6059-1 |
| Ubuntu 20.04 LTS | erlang | 1:22.2.7+dfsg-1ubuntu0.2 | USN-6059-1 |
Show 3 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu Pro 18.04 LTS | erlang | No fix yet | — |
| Ubuntu Pro 16.04 LTS | erlang | No fix yet | — |
| Ubuntu Pro 14.04 LTS | erlang | No fix yet | — |
Red Hat
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Red Hat OpenStack 16 | erlang +20 | 23.3.4.18-1.el8ost | RHSA-2022:8857 |
SUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 15 SP5 | erlang | 22.3-150300.3.8.1 | SUSE-SU-2023:4109-1, SUSE-SU-2023:3401-1 |
| SLES 15 SP4 | erlang | 22.3-150300.3.3.1 | SUSE-SU-2023:4109-1, SUSE-SU-2023:3401-1, SUSE-SU-2022:4215-1 |
| SLES 15 SP3 | erlang | 22.3-150300.3.3.1 | SUSE-SU-2023:4109-1, SUSE-SU-2023:3401-1, SUSE-SU-2022:4215-1 |
| SLES 15 SP2 | erlang | 22.2.7-150200.3.3.1 | SUSE-SU-2023:3409-1, SUSE-SU-2022:4222-1 |
Show 11 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES for SAP 15 SP3 | erlang | 22.3-150300.3.8.1 | SUSE-SU-2023:4109-1, SUSE-SU-2023:3401-1 |
| SLES for SAP 15 SP2 | erlang | 22.2.7-150200.3.3.1 | SUSE-SU-2023:3409-1, SUSE-SU-2022:4222-1 |
| SLE HPC 15 SP3 | erlang | 22.3-150300.3.8.1 | SUSE-SU-2023:4109-1, SUSE-SU-2023:3401-1 |
| SLE HPC 15 SP2 | erlang | 22.2.7-150200.3.3.1 | SUSE-SU-2023:3409-1, SUSE-SU-2022:4222-1 |
| SUSE Manager Server 4.2 | erlang | 22.3-150300.3.8.1 | SUSE-SU-2023:4109-1, SUSE-SU-2023:3401-1 |
| SUSE Manager Server 4.1 | erlang | 22.2.7-150200.3.3.1 | SUSE-SU-2022:4222-1 |
| SUSE Manager Retail Branch Server 4.1 | erlang | 22.2.7-150200.3.3.1 | SUSE-SU-2022:4222-1 |
| SUSE Manager Proxy 4.2 | erlang | 22.3-150300.3.8.1 | SUSE-SU-2023:4109-1, SUSE-SU-2023:3401-1 |
| SUSE Manager Proxy 4.1 | erlang | 22.2.7-150200.3.3.1 | SUSE-SU-2022:4222-1 |
| SUSE Enterprise Storage 7.1 | erlang | 22.3-150300.3.8.1 | SUSE-SU-2023:4109-1, SUSE-SU-2023:3401-1 |
| SUSE Enterprise Storage 7 | erlang | 22.2.7-150200.3.3.1 | SUSE-SU-2022:4222-1 |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Tumbleweed | erlang | 25.1.1-1.1 | openSUSE-SU-2024:12416-1 |
| openSUSE Tumbleweed | erlang27 | 27.1.3-1.1 | openSUSE-SU-2025:15740-1 |
| openSUSE Leap 15.5 | erlang | 22.3-150300.3.8.1 | SUSE-SU-2023:3401-1 |
| openSUSE Leap 15.4 | erlang | 22.3-150300.3.3.1 | SUSE-SU-2023:3401-1, SUSE-SU-2022:4215-1 |
| openSUSE Leap 15.3 | erlang | 22.3-150300.3.3.1 | SUSE-SU-2022:4215-1 |
Alpine
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Alpine v3.22 | erlang26 | 25.0.3-r0 | — |
| Alpine v3.21 | erlang | 25.0.3-r0 | — |
| Alpine v3.20 | erlang | 25.0.3-r0 | — |
| Alpine v3.19 | erlang | 25.0.3-r0 | — |
| Alpine v3.18 | erlang | 25.0.3-r0 | — |
Show 2 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Alpine v3.17 | erlang | 25.0.3-r0 | — |
| Alpine v3.16 | erlang | 24.3.4.6-r0 | — |
Advisories 11
- USN-6059-1 erlang vulnerability Ubuntu Security Notices (USN) · Apr 27, 2026
- openSUSE-SU-2025:15740-1 erlang27-27.1.3-1.1 on GA media SUSE / openSUSE Security Updates · Mar 23, 2026
- DLA-3491-1 erlang - security update Debian Security (DSA / DLA) · Mar 9, 2026
- SUSE-SU-2022:4222-1 Security update for erlang SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2022:4215-1 Security update for erlang SUSE / openSUSE Security Updates · Feb 4, 2026
- openSUSE-SU-2024:12416-1 erlang-25.1.1-1.1 on GA media SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2023:4109-1 Security update for erlang SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2023:3409-1 Security update for erlang SUSE / openSUSE Security Updates · Feb 4, 2026
- RHSA-2022:8857 Red Hat Security Advisory: Red Hat OpenStack Platform 16.2.4 (erlang) security update Red Hat Security Advisories (RHSA) · Nov 22, 2025
- WID-SEC-2022-2265 Red Hat OpenStack: Mehrere Schwachstellen BSI CERT-Bund (WID) · May 18, 2025
- SUSE-SU-2023:3401-1 Security update for erlang SUSE / openSUSE Security Updates · May 2, 2025