Debian Security Advisory

DLA-2499-1 sympa -- LTS security update

Date Reported:
17 Dec 2020
Affected Packages:
Security database references:
In the Debian bugtracking system: Bug 976020.
In Mitre's CVE dictionary: CVE-2020-29668.
More information:

Sympa, a modern mailing list manager, grants full SOAP API access by sending invalid string as the cookie value, if the SOAP endpoint was enabled. An attacker could manipulate the mailing lists, including subscribing e-mails or getting the list of subscribers.

For Debian 9 stretch, this problem has been fixed in version 6.2.16~dfsg-3+deb9u5.

We recommend that you upgrade your sympa packages.

For the detailed security status of sympa please refer to its security tracker page at:

Further information about Debian LTS security advisories, how to apply these updates to your system and frequently asked questions can be found at: