Description
An issue was discovered in GNOME Evolution before 3.35.91. By using the proprietary (non-RFC6068) "mailto?attach=..." parameter, a website (or other source of mailto links) can make Evolution attach local files or directories to a composed email message without showing a warning to the user, as demonstrated by an attach=. value.
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 | evolution | 3.36.0-1 | — |
| Debian 13 | evolution | 3.36.0-1 | — |
| Debian 12 | evolution | 3.36.0-1 | — |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 22.04 LTS | evolution | No fix yet | — |
| Ubuntu 20.04 LTS | evolution | No fix yet | — |
| Ubuntu 18.04 LTS | evolution | No fix yet | — |
| Ubuntu 16.04 LTS | evolution | No fix yet | — |
SUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 12 SP5 | evolution | 3.22.6-19.14.1 | SUSE-SU-2023:3375-1 |
Amazon Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Amazon Linux 2 | evolution +7 | 3.28.5-10.amzn2.0.3 | ALAS2-2025-2833 |
Advisories 2
- SUSE-SU-2023:3375-1 Security update for evolution SUSE / openSUSE Security Updates · Feb 4, 2026
- ALAS2-2025-2833 Moderate: evolution security update (Amazon Linux 2) Amazon Linux Security Center (ALAS) · Apr 16, 2025