Errata overview
Errata ID 679
Date 2020-05-20
Source package exim4
Fixed in version 4.89-2+deb9u7A~4.3.5.202005181736
Description
This update addresses the following issue:
* out-of-bounds read in the SPA authenticator can lead to SPA/NTLM
  authentication bypass in auths/spa.c and auths/auth-spa.c (CVE-2020-12783)
Additional notes
CVE ID CVE-2020-12783
UCS Bug number #51307