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These are the vulnerabilities relating to the commit you have selected:

VuXML IDDescription
61db9b88-d091-11e9-8d41-97657151f8c2Exim -- RCE with root privileges in TLS SNI handler

Exim developers report:

If your Exim server accepts TLS connections, it is vulnerable. This does not depend on the TLS libray, so both, GnuTLS and OpenSSL are affected.

The vulnerability is exploitable by sending a SNI ending in a backslash-null sequence during the initial TLS handshake. The exploit exists as a POC. For more details see the document qualys.mbx


Discovery 2019-09-02
Entry 2019-09-06
exim
< 4.92.2

https://git.exim.org/exim.git/blob_plain/2600301ba6dbac5c9d640c87007a07ee6dcea1f4:/doc/doc-txt/cve-2019-15846/cve.txt
e917caba-e291-11e9-89f1-152fed202bb7Exim -- heap-based buffer overflow in string_vformat leading to RCE

Exim developers team report:

There is a heap overflow in string_vformat().Using a EHLO message, remote code execution seems to be possible.


Discovery 2019-09-28
Entry 2019-09-29
exim
>= 4.92 lt 4.92.3

https://www.openwall.com/lists/oss-security/2019/09/28/1