Description
In LemonLDAP::NG (aka lemonldap-ng) through 2.0.8, validity of the X.509 certificate is not checked by default when connecting to remote LDAP backends, because the default configuration of the Net::LDAPS module for Perl is used.
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 | lemonldap-ng | 2.0.9+ds-1 | — |
| Debian 13 | lemonldap-ng | 2.0.9+ds-1 | — |
| Debian 12 | lemonldap-ng | 2.0.9+ds-1 | — |
| Debian 10 | lemonldap-ng | 2.0.2+ds-7+deb10u8 | DLA-3287-1 |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 20.04 LTS | lemonldap-ng | No fix yet | — |
| Ubuntu 18.04 LTS | lemonldap-ng | No fix yet | — |
| Ubuntu 16.04 LTS | lemonldap-ng | No fix yet | — |
Advisories 1
- DLA-3287-1 lemonldap-ng - security update Debian Security (DSA / DLA) · Mar 9, 2026