Description
In GNOME evolution-data-server before 3.35.91, a malicious server can crash the mail client with a NULL pointer dereference by sending an invalid (e.g., minimal) CAPABILITY line on a connection attempt. This is related to imapx_free_capability and imapx_connect_to_server.
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-data-server | 3.36.0-1 | — |
| Debian 13 | evolution-data-server | 3.36.0-1 | — |
| Debian 12 | evolution-data-server | 3.36.0-1 | — |
| Debian 9 | evolution-data-server | 3.22.7-1+deb9u2 | DLA-2309-1 |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 16.04 LTS | evolution-data-server | No fix yet | — |
Show 1 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu Pro 18.04 LTS | evolution-data-server | No fix yet | — |
Red Hat
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| RHEL 8 | evolution +6 | 3.28.5-16.el8 | RHSA-2021:1752 |
| RHEL 8 | evolution-data-server +5 | 3.28.5-15.el8 | RHSA-2021:1752 |
| RHEL 8 | evolution-ews +1 | 3.28.5-10.el8 | RHSA-2021:1752 |
AlmaLinux
Errata ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| AlmaLinux 8 | evolution-data-server-doc +2 | 3.28.5-15.el8 | ALSA-2021:1752 |
| AlmaLinux 8 | evolution-devel | 3.28.5-16.el8 | ALSA-2021:1752 |
Rocky Linux
Errata ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Rocky Linux 8 | evolution | 3.28.5-16.el8 | RLSA-2021:1752 |
| Rocky Linux 8 | evolution-data-server | 3.28.5-15.el8 | RLSA-2021:1752 |
| Rocky Linux 8 | evolution-ews | 3.28.5-10.el8 | RLSA-2021:1752 |
SUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 15 SP2 | evolution-ews +1 | 3.34.4-3.3.1 | SUSE-SU-2021:0949-1 |
| SLES 12 SP5 | evolution-data-server | 3.20.6-17.3.1 | SUSE-SU-2021:0891-1, SUSE-SU-2021:0885-1 |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Tumbleweed | evolution-data-server | 3.40.4-1.4 | openSUSE-SU-2024:10744-1 |
| openSUSE Leap 15.2 | evolution-ews +1 | 3.34.4-lp152.2.3.1 | openSUSE-SU-2021:0482-1 |
Oracle Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Oracle Linux 8 | evolution +6 | 3.28.5-16.el8 | ELSA-2021-1752 |
| Oracle Linux 8 | evolution-data-server +5 | 3.28.5-15.el8 | ELSA-2021-1752 |
| Oracle Linux 8 | evolution-ews +1 | 3.28.5-10.el8 | ELSA-2021-1752 |
Advisories 10
- ALSA-2021:1752 Low: evolution security, bug fix, and enhancement update AlmaLinux Security Advisories · Oct 29, 2026
- RHSA-2021:1752 Red Hat Security Advisory: evolution security, bug fix, and enhancement update Red Hat Security Advisories (RHSA) · Jun 27, 2026
- DLA-2309-1 evolution-data-server - security update Debian Security (DSA / DLA) · Mar 9, 2026
- RLSA-2021:1752 Low: evolution security, bug fix, and enhancement update Rocky Linux Security Advisories · Feb 4, 2026
- SUSE-SU-2021:0949-1 Security update for evolution-data-server SUSE / openSUSE Security Updates · Feb 4, 2026
- openSUSE-SU-2024:10744-1 evolution-data-server-3.40.4-1.4 on GA media SUSE / openSUSE Security Updates · Feb 4, 2026
- openSUSE-SU-2021:0482-1 Security update for evolution-data-server SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2021:0891-1 Security update for evolution-data-server SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2021:0885-1 Security update for evolution-data-server SUSE / openSUSE Security Updates · Feb 4, 2026
- ELSA-2021-1752 Low: evolution security, bug fix, and enhancement update (Oracle Linux 8) Oracle Linux Security Advisories (ELSA) · May 25, 2021
References
- https://gitlab.gnome.org/GNOME/evolution-data-server/-/issues/189
- https://gitlab.gnome.org/GNOME/evolution-data-server/-/commit/2cc39592b532cf0dc994fd3694b8e6bf924c9ab5
- https://gitlab.gnome.org/GNOME/evolution-data-server/-/commit/627c3cdbfd077e59aa288c85ff8272950577f1d7
- [debian-lts-announce] 20200802 [SECURITY] [DLA 2309-1] evolution-data-server security update mailing-list