CVE-2021-37746
Fixed in a distro release EPSS 1%
textview_uri_security_check in textview.c in Claws Mail before 3.18.0, and Sylpheed through 3.7.0, does not have sufficient link checks before accepting a click.
Products: claws-mail, sylpheed_project sylpheed, fedoraproject fedora
Distro releases
| Release | Package | Fixed in |
|---|---|---|
| Arch Linux | claws-mail | 3.18.0-1 |
| Debian 12 | claws-mail | 3.18.0-1 |
| Debian 12 | sylpheed | 3.8.0~beta1-1+deb12u1 |
| Debian 13 | claws-mail | 3.18.0-1 |
| Debian 13 | sylpheed | 3.8.0~beta1-2+deb13u1 |
| Debian 14 | claws-mail | 3.18.0-1 |
| Ubuntu 16.04 LTS | claws-mail | no fix |
| Ubuntu 16.04 LTS | sylpheed | no fix |
| Ubuntu 18.04 LTS | claws-mail | no fix |
| Ubuntu 18.04 LTS | sylpheed | no fix |
| Ubuntu 20.04 LTS | claws-mail | no fix |
| Ubuntu 20.04 LTS | sylpheed | no fix |
| Ubuntu 22.04 LTS | claws-mail | no fix |
| Ubuntu 22.04 LTS | sylpheed | no fix |
| Ubuntu 24.04 LTS | claws-mail | no fix |
| Ubuntu 24.04 LTS | sylpheed | no fix |
| Ubuntu 25.10 | claws-mail | no fix |
| Ubuntu 25.10 | sylpheed | no fix |
| Ubuntu 26.04 LTS | claws-mail | no fix |
| Ubuntu 26.10 | claws-mail | no fix |