libgadu before 1.12.0 does not verify X.509 certificates from SSL servers, which allows man-in-the-middle attackers to spoof servers.
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| Libgadu | Libgadu | * | 1.11.4 (including) |
| Libgadu | Ubuntu | artful | * |
| Libgadu | Ubuntu | bionic | * |
| Libgadu | Ubuntu | cosmic | * |
| Libgadu | Ubuntu | devel | * |
| Libgadu | Ubuntu | disco | * |
| Libgadu | Ubuntu | eoan | * |
| Libgadu | Ubuntu | esm-apps/bionic | * |
| Libgadu | Ubuntu | esm-apps/focal | * |
| Libgadu | Ubuntu | esm-apps/jammy | * |
| Libgadu | Ubuntu | esm-apps/noble | * |
| Libgadu | Ubuntu | esm-apps/xenial | * |
| Libgadu | Ubuntu | focal | * |
| Libgadu | Ubuntu | groovy | * |
| Libgadu | Ubuntu | hirsute | * |
| Libgadu | Ubuntu | impish | * |
| Libgadu | Ubuntu | jammy | * |
| Libgadu | Ubuntu | kinetic | * |
| Libgadu | Ubuntu | lucid | * |
| Libgadu | Ubuntu | lunar | * |
| Libgadu | Ubuntu | mantic | * |
| Libgadu | Ubuntu | noble | * |
| Libgadu | Ubuntu | oracular | * |
| Libgadu | Ubuntu | precise | * |
| Libgadu | Ubuntu | quantal | * |
| Libgadu | Ubuntu | raring | * |
| Libgadu | Ubuntu | saucy | * |
| Libgadu | Ubuntu | trusty | * |
| Libgadu | Ubuntu | utopic | * |
| Libgadu | Ubuntu | vivid | * |
| Libgadu | Ubuntu | wily | * |
| Libgadu | Ubuntu | xenial | * |
| Libgadu | Ubuntu | yakkety | * |
| Libgadu | Ubuntu | zesty | * |