Description
JabberD 2.x (aka jabberd2) before 2.6.1 allows anyone to authenticate using SASL ANONYMOUS, even when the sasl.anonymous c2s.xml option is not enabled.
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 | jabberd2 | 2.6.1-1 | — |
| Debian 13 | jabberd2 | 2.6.1-1 | — |
| Debian 12 | jabberd2 | 2.6.1-1 | — |
| Debian 9 | jabberd2 | 2.4.0-3+deb9u1 | DSA-3902-1 |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu Pro 16.04 LTS | jabberd2 | 2.3.4-1ubuntu2+esm1 | USN-8984-1 |
SUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SUSE Manager Server 3.1 | cobbler | 2.6.6-5.3.1 | SUSE-SU-2017:2257-1 |
| SUSE Manager Server 3.1 | jabberd | 2.6.1-3.3.1 | SUSE-SU-2017:2257-1 |
| SUSE Manager Server 3.1 | osad | 5.11.80.3-2.3.1 | SUSE-SU-2017:2257-1 |
| SUSE Manager Server 3.1 | rhnpush | 5.5.104.3-2.3.2 | SUSE-SU-2017:2257-1 |
| SUSE Manager Server 3.1 | salt-netapi-client | 0.12.0-3.3.1 | SUSE-SU-2017:2257-1 |
| SUSE Manager Server 3.1 | smdba | 1.5.8-0.2.3.1 | SUSE-SU-2017:2257-1 |
| SUSE Manager Server 3.1 | spacecmd | 2.7.8.6-2.3.1 | SUSE-SU-2017:2257-1 |
| SUSE Manager Server 3.1 | spacewalk-backend | 2.7.73.7-2.3.1 | SUSE-SU-2017:2257-1 |
| SUSE Manager Server 3.1 | spacewalk-branding | 2.7.2.7-2.3.1 | SUSE-SU-2017:2257-1 |
| SUSE Manager Server 3.1 | spacewalk-certs-tools | 2.7.0.7-2.3.1 | SUSE-SU-2017:2257-1 |
| SUSE Manager Server 3.1 | spacewalk-java | 2.7.46.5-2.3.1 | SUSE-SU-2017:2257-1 |
| SUSE Manager Server 3.1 | spacewalk-search | 2.7.3.2-2.3.4 | SUSE-SU-2017:2257-1 |
| SUSE Manager Server 3.1 | spacewalk-utils | 2.7.10.5-2.3.1 | SUSE-SU-2017:2257-1 |
| SUSE Manager Server 3.1 | spacewalk-web | 2.7.1.10-2.3.1 | SUSE-SU-2017:2257-1 |
| SUSE Manager Server 3.1 | susemanager | 3.1.8-2.3.1 | SUSE-SU-2017:2257-1 |
| SUSE Manager Server 3.1 | susemanager-docs_en | 3-10.3.1 | SUSE-SU-2017:2257-1 |
| SUSE Manager Server 3.1 | susemanager-schema | 3.1.9-2.3.1 | SUSE-SU-2017:2257-1 |
| SUSE Manager Server 3.1 | susemanager-sync-data | 3.1.6-2.3.1 | SUSE-SU-2017:2257-1 |
| SUSE Manager Server 3.0 | jabberd | 2.6.1-4.6.1 | SUSE-SU-2017:2267-1 |
| SUSE Manager Proxy 3.1 | jabberd | 2.6.1-3.3.1 | SUSE-SU-2017:2266-1 |
| SUSE Manager Proxy 3.1 | osad | 5.11.80.3-2.3.1 | SUSE-SU-2017:2266-1 |
| SUSE Manager Proxy 3.1 | rhnpush | 5.5.104.3-2.3.2 | SUSE-SU-2017:2266-1 |
| SUSE Manager Proxy 3.1 | spacewalk-backend | 2.7.73.7-2.3.1 | SUSE-SU-2017:2266-1 |
| SUSE Manager Proxy 3.1 | spacewalk-certs-tools | 2.7.0.7-2.3.1 | SUSE-SU-2017:2266-1 |
| SUSE Manager Proxy 3.1 | spacewalk-proxy | 2.7.1.4-2.3.1 | SUSE-SU-2017:2266-1 |
| SUSE Manager Proxy 3.1 | spacewalk-web | 2.7.1.10-2.3.1 | SUSE-SU-2017:2266-1 |
| SUSE Manager Proxy 3.1 | spacewalksd | 5.0.26.3-2.3.1 | SUSE-SU-2017:2266-1 |
| SUSE Manager Proxy 3.1 | supportutils-plugin-susemanager-client | 3.1.2-2.3.1 | SUSE-SU-2017:2266-1 |
| SUSE Manager Proxy 3.1 | zypp-plugin-spacewalk | 0.9.16-2.3.1 | SUSE-SU-2017:2266-1 |
Show 1 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SUSE Manager Proxy 3.0 | jabberd | 2.6.1-4.6.1 | SUSE-SU-2017:2267-1 |
Advisories 6
- USN-8984-1 jabberd2 vulnerability Ubuntu Security Notices (USN) · Nov 4, 2026
- WID-SEC-2026-4315 JabberD: Schwachstelle ermöglicht Umgehen von Sicherheitsvorkehrungen BSI CERT-Bund (WID) · Nov 3, 2026
- DSA-3902-1 jabberd2 - security update Debian Security (DSA / DLA) · Mar 9, 2026
- SUSE-SU-2017:2267-1 Security update for jabberd SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2017:2257-1 Security update for SUSE Manager Server 3.1 SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2017:2266-1 Security update for SUSE Manager Proxy 3.1 SUSE / openSUSE Security Updates · Feb 4, 2026