| Package | exim4 |
|---|---|
| Version | 4.84.2-2+deb8u12 (jessie), 4.89-2+deb9u12 (stretch) |
| Related CVEs | CVE-2023-51766 |
It was discovered that Exim, a mail transport agent, can be induced to accept a second message embedded as part of the body of a first message in certain configurations where PIPELINING or CHUNKING on incoming connections is offered.
For Debian 8 jessie, these problems have been fixed in version 4.84.2-2+deb8u12.
For Debian 9 stretch, these problems have been fixed in version 4.89-2+deb9u12.
We recommend that you upgrade your exim4 packages.
Further information about Extended LTS security advisories can be found in the dedicated section of our website.