Debian Security Advisory

DLA-2502-1 postsrsd -- LTS security update

Date Reported:
20 Dec 2020
Affected Packages:
Security database references:
In Mitre's CVE dictionary: CVE-2020-35573.
More information:

A potential denial-of-service attack through malicious timestamp tags was fixed in PostSRSd, a Sender Rewriting Scheme (SRS) lookup table for Postfix.

For Debian 9 stretch, this problem has been fixed in version 1.4-1+deb9u1.

We recommend that you upgrade your postsrsd packages.

For the detailed security status of postsrsd 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: