Description
GNOME Evolution through 3.28.2 is prone to OpenPGP signatures being spoofed for arbitrary messages using a specially crafted email that contains a valid signature from the entity to be impersonated as an attachment.
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 | 3.30.5-1.1 | — |
| Debian 13 | evolution | 3.30.5-1.1 | — |
| Debian 12 | evolution | 3.30.5-1.1 | — |
| Debian 9 | evolution | 3.22.6-1+deb9u2 | DSA-4457-1 |
| Debian 8 | evolution | 3.12.9~git20141130.241663-1+deb8u1 | DLA-1766-1 |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 18.04 LTS | evolution | No fix yet | — |
| Ubuntu 18.04 LTS | evolution-data-server | 3.28.5-0ubuntu0.18.04.2 | USN-3998-1 |
| Ubuntu 16.04 LTS | evolution | No fix yet | — |
| Ubuntu 16.04 LTS | evolution-data-server | 3.18.5-1ubuntu1.2 | USN-3998-1 |
Red Hat
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| RHEL 8 | evolution +6 | 3.28.5-12.el8 | RHSA-2020:1600 |
| RHEL 8 | evolution-data-server +5 | 3.28.5-13.el8 | RHSA-2020:1600 |
| RHEL 8 | evolution-ews +1 | 3.28.5-9.el8 | RHSA-2020:1600 |
| RHEL 7 | atk +1 | 2.28.1-2.el7 | RHSA-2020:1080 |
| RHEL 7 | evolution +7 | 3.28.5-8.el7 | RHSA-2020:1080 |
| RHEL 7 | evolution-data-server +5 | 3.28.5-4.el7 | RHSA-2020:1080 |
| RHEL 7 | evolution-ews +1 | 3.28.5-5.el7 | RHSA-2020:1080 |
SUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 15 SP1 | evolution | 3.26.6-4.3.1 | SUSE-SU-2019:1266-2 |
| SLES 15 | evolution | 3.26.6-4.3.1 | SUSE-SU-2019:1266-1 |
| SLES 12 SP5 | evolution | 3.22.6-19.9.1 | SUSE-SU-2019:1391-2 |
| SLES 12 SP4 | evolution | 3.22.6-19.9.1 | SUSE-SU-2019:1391-1 |
| SLES 12 SP3 | evolution | 3.22.6-19.9.1 | SUSE-SU-2019:1391-1 |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Tumbleweed | evolution | 3.40.4-1.4 | openSUSE-SU-2024:10743-1 |
| openSUSE Leap 15.1 | evolution | 3.26.6-lp151.4.3.1 | openSUSE-SU-2019:1431-1 |
| openSUSE Leap 15.0 | evolution | 3.26.6-lp150.3.3.1 | openSUSE-SU-2019:1453-1 |
Amazon Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Amazon Linux 2 | evolution +7 | 3.28.5-8.amzn2 | ALAS2-2020-1476 |
Oracle Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Oracle Linux 8 | evolution +6 | 3.28.5-12.el8 | ELSA-2020-1600 |
| Oracle Linux 8 | evolution-data-server +5 | 3.28.5-13.el8 | ELSA-2020-1600 |
| Oracle Linux 8 | evolution-ews +1 | 3.28.5-9.el8 | ELSA-2020-1600 |
| Oracle Linux 7 | atk +1 | 2.28.1-2.el7 | ELSA-2020-1080 |
| Oracle Linux 7 | evolution +7 | 3.28.5-8.el7 | ELSA-2020-1080 |
| Oracle Linux 7 | evolution-data-server +5 | 3.28.5-4.el7 | ELSA-2020-1080 |
| Oracle Linux 7 | evolution-ews +1 | 3.28.5-5.el7 | ELSA-2020-1080 |
Advisories 15
- RHSA-2020:1600 Red Hat Security Advisory: evolution security and bug fix update Red Hat Security Advisories (RHSA) · Jun 27, 2026
- RHSA-2020:1080 Red Hat Security Advisory: evolution security and bug fix update Red Hat Security Advisories (RHSA) · Jun 27, 2026
- USN-3998-1 evolution-data-server vulnerability Ubuntu Security Notices (USN) · Apr 27, 2026
- DSA-4457-1 evolution - security update Debian Security (DSA / DLA) · Mar 9, 2026
- DLA-1766-1 evolution - security update Debian Security (DSA / DLA) · Mar 9, 2026
- SUSE-SU-2019:1391-2 Security update for evolution SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2019:1391-1 Security update for evolution SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2019:1266-1 Security update for evolution SUSE / openSUSE Security Updates · Feb 4, 2026
- openSUSE-SU-2019:1453-1 Security update for evolution SUSE / openSUSE Security Updates · Feb 4, 2026
- openSUSE-SU-2019:1431-1 Security update for evolution SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2019:1266-2 Security update for evolution SUSE / openSUSE Security Updates · Feb 4, 2026
- openSUSE-SU-2024:10743-1 evolution-3.40.4-1.4 on GA media SUSE / openSUSE Security Updates · Feb 4, 2026
- ALAS2-2020-1476 Moderate: evolution security update (Amazon Linux 2) Amazon Linux Security Center (ALAS) · Aug 25, 2020
- ELSA-2020-1600 Moderate: evolution security and bug fix update (Oracle Linux 8) Oracle Linux Security Advisories (ELSA) · May 5, 2020
- ELSA-2020-1080 Moderate: evolution security and bug fix update (Oracle Linux 7) Oracle Linux Security Advisories (ELSA) · Apr 6, 2020
References
- https://bugzilla.gnome.org/show_bug.cgi?id=796424
- [debian-lts-announce] 20190426 [SECURITY] [DLA 1766-1] evolution security update mailing-list
- [oss-security] 20190430 Spoofing OpenPGP and S/MIME Signatures in Emails (multiple clients) mailing-list
- 20190430 OpenPGP and S/MIME signature forgery attacks in multiple email clients mailing-list
- http://packetstormsecurity.com/files/152703/Johnny-You-Are-Fired.html
- https://github.com/RUB-NDS/Johnny-You-Are-Fired
- https://github.com/RUB-NDS/Johnny-You-Are-Fired/blob/master/paper/johnny-fired.pdf
- openSUSE-SU-2019:1431 vendor-advisory
- openSUSE-SU-2019:1453 vendor-advisory
- USN-3998-1 vendor-advisory
- DSA-4457 vendor-advisory
- openSUSE-SU-2019:1528 vendor-advisory
- 20190609 [SECURITY] [DSA 4457-1] evolution security update mailing-list