Description
evolution-data-server (eds) through 3.36.3 has a STARTTLS buffering issue that affects SMTP and POP3. When a server sends a "begin TLS" response, eds reads additional data and evaluates it in a TLS context, aka "response injection."
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 | 3.36.4-1 | — |
| Debian 13 | evolution-data-server | 3.36.4-1 | — |
| Debian 12 | evolution-data-server | 3.36.4-1 | — |
| Debian 10 | evolution-data-server | 3.30.5-1+deb10u1 | DSA-4725-1 |
| Debian 9 | evolution-data-server | 3.22.7-1+deb9u1 | DLA-2281-1 |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 20.04 LTS | evolution-data-server | 3.36.3-0ubuntu1.1 | USN-4429-1 |
| Ubuntu 18.04 LTS | evolution-data-server | 3.28.5-0ubuntu0.18.04.3 | USN-4429-1 |
| Ubuntu 16.04 LTS | evolution-data-server | 3.18.5-1ubuntu1.3 | USN-4429-1 |
Red Hat
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| RHEL 8 | bogofilter | 1.2.5-2.el8 | RHSA-2020:4649 |
| RHEL 8 | evolution +12 | 3.28.5-14.el8 | RHSA-2020:4649 |
| RHEL 8 | evolution-mapi +1 | 3.28.3-3.el8 | RHSA-2020:4649 |
| RHEL 8 | openchange | 2.3-26.el8 | RHSA-2020:4649 |
AlmaLinux
Errata ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| AlmaLinux 8 | bogofilter | 1.2.5-2.el8 | ALSA-2020:4649 |
| AlmaLinux 8 | evolution-devel +3 | 3.28.5-14.el8 | ALSA-2020:4649 |
Rocky Linux
Errata ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Rocky Linux 8 | bogofilter | 1.2.5-2.el8 | RLSA-2020:4649 |
| Rocky Linux 8 | evolution-mapi | 3.28.3-3.el8 | RLSA-2020:4649 |
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 | bogofilter | 1.2.5-2.el8 | ELSA-2020-4649 |
| Oracle Linux 8 | evolution +12 | 3.28.5-14.el8 | ELSA-2020-4649 |
| Oracle Linux 8 | evolution-mapi +1 | 3.28.3-3.el8 | ELSA-2020-4649 |
| Oracle Linux 8 | openchange | 2.3-26.0.1.el8 | ELSA-2020-4649 |
Advisories 13
- ALSA-2020:4649 Low: evolution security and bug fix update AlmaLinux Security Advisories · Oct 29, 2026
- RHSA-2020:4649 Red Hat Security Advisory: evolution security and bug fix update Red Hat Security Advisories (RHSA) · Jun 27, 2026
- USN-4429-1 evolution-data-server vulnerability Ubuntu Security Notices (USN) · Apr 22, 2026
- DSA-4725-1 evolution-data-server - security update Debian Security (DSA / DLA) · Mar 9, 2026
- DLA-2281-1 evolution-data-server - security update Debian Security (DSA / DLA) · Mar 9, 2026
- RLSA-2020:4649 Low: evolution security and bug fix 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
- WID-SEC-2022-0193 Red Hat Enterprise Linux: Mehrere Schwachstellen BSI CERT-Bund (WID) · Sep 27, 2023
- ELSA-2020-4649 Low: evolution security and bug fix update (Oracle Linux 8) Oracle Linux Security Advisories (ELSA) · Nov 10, 2020
References
- https://gitlab.gnome.org/GNOME/evolution-data-server/-/issues/226
- https://lists.debian.org/debian-lts-announce/2020/07/msg00012.html
- https://gitlab.gnome.org/GNOME//evolution-data-server/commit/ba82be72cfd427b5d72ff21f929b3a6d8529c4df
- https://security-tracker.debian.org/tracker/DSA-4725-1
- https://security-tracker.debian.org/tracker/DLA-2281-1
- https://gitlab.gnome.org/GNOME/evolution-data-server/-/commit/f404f33fb01b23903c2bbb16791c7907e457fbac
- https://bugzilla.suse.com/show_bug.cgi?id=1173910
- DSA-4725 vendor-advisory
- USN-4429-1 vendor-advisory
- FEDORA-2020-45041afb19 vendor-advisory