Description
The TLS driver in ejabberd before 2.1.12 supports (1) SSLv2 and (2) weak SSL ciphers, which makes it easier for remote attackers to obtain sensitive information via a brute-force attack.
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 | ejabberd | 2.1.11-1 | — |
| Debian 13 | ejabberd | 2.1.11-1 | — |
| Debian 12 | ejabberd | 2.1.11-1 | — |
| Debian 7 | ejabberd | 2.1.10-4+deb7u1 | DSA-2775-1 |
| Debian 6.0 | ejabberd | 2.1.5-3+squeeze2 | DSA-2775-1 |
Advisories 1
- DSA-2775-1 ejabberd - insecure SSL usage Debian Security (DSA / DLA) · Mar 9, 2026