Description
Cross-site request forgery (CSRF) vulnerability in the user options page in GNU Mailman 2.1.x before 2.1.23 allows remote attackers to hijack the authentication of arbitrary users for requests that modify an option, as demonstrated by gaining access to the credentials of a victim's account.
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 8 | mailman | 1:2.1.18-2+deb8u1 | DSA-3668-1 |
| Debian 7 | mailman | 1:2.1.15-1+deb7u2 | DLA-608-1 |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 16.04 LTS | mailman | 1:2.1.20-1ubuntu0.1 | USN-3118-1 |
| Ubuntu 14.04 LTS | mailman | 1:2.1.16-2ubuntu0.2 | USN-3118-1 |
Red Hat
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| RHEL 7 | mailman | 3:2.1.15-30.el7_9.2 | RHSA-2021:4913 |
SUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 12 SP4 | mailman | 2.1.17-3.3.3 | SUSE-SU-2018:4296-1 |
| SLES 12 SP3 | mailman | 2.1.17-3.3.3 | SUSE-SU-2018:4296-1 |
| SLES 12 SP2 | mailman | 2.1.17-3.3.3 | SUSE-SU-2018:4296-1 |
| SLES 12 SP1 | mailman | 2.1.17-3.3.3 | SUSE-SU-2018:4296-1 |
| SLES 12 | mailman | 2.1.17-3.3.3 | SUSE-SU-2018:4296-1 |
Show 10 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 11 SP4 | mailman | 2.1.15-9.6.3.1 | SUSE-SU-2019:14068-1, SUSE-SU-2019:13924-1, SUSE-SU-2018:1638-1 |
| SLES 11 SP3 | mailman | 2.1.15-9.6.6.1 | SUSE-SU-2019:13924-1 |
| SLES for SAP 12 SP4 | mailman | 2.1.17-3.3.3 | SUSE-SU-2018:4296-1 |
| SLES for SAP 12 SP3 | mailman | 2.1.17-3.3.3 | SUSE-SU-2018:4296-1 |
| SLES for SAP 12 SP2 | mailman | 2.1.17-3.3.3 | SUSE-SU-2018:4296-1 |
| SLES for SAP 12 SP1 | mailman | 2.1.17-3.3.3 | SUSE-SU-2018:4296-1 |
| SLES for SAP 11 SP4 | mailman | 2.1.15-9.6.3.1 | SUSE-SU-2019:13924-1, SUSE-SU-2018:1638-1 |
| SUSE OpenStack Cloud 7 | mailman | 2.1.17-3.3.3 | SUSE-SU-2018:4296-1 |
| SUSE Linux Enterprise Point of Sale 11 SP3 | mailman | 2.1.15-9.6.6.1 | SUSE-SU-2019:14068-1, SUSE-SU-2019:13924-1 |
| SUSE Enterprise Storage 4 | mailman | 2.1.17-3.3.3 | SUSE-SU-2018:4296-1 |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Tumbleweed | mailman | 2.1.23-1.2 | openSUSE-SU-2024:10215-1 |
Amazon Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Amazon Linux 2 | mailman | 3:2.1.15-30.amzn2.2 | ALAS2-2022-1740 |
Oracle Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Oracle Linux 7 | mailman | 3:2.1.15-30.el7_9.2 | ELSA-2021-4913 |
Advisories 11
- RHSA-2021:4913 Red Hat Security Advisory: mailman security update Red Hat Security Advisories (RHSA) · Sep 8, 2026
- DLA-608-1 mailman - security update Debian Security (DSA / DLA) · Mar 9, 2026
- DSA-3668-1 mailman - security update Debian Security (DSA / DLA) · Mar 9, 2026
- USN-3118-1 mailman vulnerabilities Ubuntu Security Notices (USN) · Feb 10, 2026
- SUSE-SU-2018:1638-1 Security update for mailman SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2019:13924-1 Security update for mailman SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2018:4296-1 Security update for mailman SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2019:14068-1 Security update for mailman SUSE / openSUSE Security Updates · Feb 4, 2026
- openSUSE-SU-2024:10215-1 mailman-2.1.23-1.2 on GA media SUSE / openSUSE Security Updates · Feb 4, 2026
- ALAS2-2022-1740 Important: mailman security update (Amazon Linux 2) Amazon Linux Security Center (ALAS) · Jan 20, 2022
- ELSA-2021-4913 Important: mailman security update (Oracle Linux 7) Oracle Linux Security Advisories (ELSA) · Dec 3, 2021
References
- DSA-3668 vendor-advisory
- https://bugs.launchpad.net/bugs/1614841
- 92731 vdb-entry
- 1036728 vdb-entry