package/exim: security bump version to 4.94.2

Release announcement:
https://lists.exim.org/lurker/message/20210421.123632.08bb711a.en.html

According to
http://www.exim.org/static/doc/security/CVE-2020-qualys/21nails.txt
this version bump fixes

Local vulnerabilities
- CVE-2020-28007: Link attack in Exim's log directory
- CVE-2020-28008: Assorted attacks in Exim's spool directory
- CVE-2020-28014: Arbitrary file creation and clobbering
- CVE-2021-27216: Arbitrary file deletion
- CVE-2020-28011: Heap buffer overflow in queue_run()
- CVE-2020-28010: Heap out-of-bounds write in main()
- CVE-2020-28013: Heap buffer overflow in parse_fix_phrase()
- CVE-2020-28016: Heap out-of-bounds write in parse_fix_phrase()
- CVE-2020-28015: New-line injection into spool header file (local)
- CVE-2020-28012: Missing close-on-exec flag for privileged pipe
- CVE-2020-28009: Integer overflow in get_stdinput()

Remote vulnerabilities
- CVE-2020-28017: Integer overflow in receive_add_recipient()
- CVE-2020-28020: Integer overflow in receive_msg()
- CVE-2020-28023: Out-of-bounds read in smtp_setup_msg()
- CVE-2020-28021: New-line injection into spool header file (remote)
- CVE-2020-28022: Heap out-of-bounds read and write in extract_option()
- CVE-2020-28026: Line truncation and injection in spool_read_header()
- CVE-2020-28019: Failure to reset function pointer after BDAT error
- CVE-2020-28024: Heap buffer underflow in smtp_ungetc()
- CVE-2020-28018: Use-after-free in tls-openssl.c
- CVE-2020-28025: Heap out-of-bounds read in pdkim_finish_bodyhash()

Signed-off-by: Bernd Kuhls <bernd.kuhls@t-online.de>
Signed-off-by: Yann E. MORIN <yann.morin.1998@free.fr>
(cherry picked from commit 1e96b6189a51de7f1151efb73dac903396b521b3)
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>

package/exim/exim.hash

@@ -1,6 +1,6 @@
 # From https://ftp.exim.org/pub/exim/exim4/00-sha256sums.txt
-sha256  f77ee8faf04f5db793243c3ae81c1f4e452cd6ad7dd515a80edf755c4b144bdb  exim-4.94.tar.xz
+sha256  051861fc89f06205162f12129fb7ebfe473383bb6194bf8642952bfd50329274  exim-4.94.2.tar.xz
 # From https://ftp.exim.org/pub/exim/exim4/00-sha512sums.txt
-sha512  3bf95ade30902327403e7308089a3e423761da5b0745397dace7c7fd15ba3838d93e0ee418f1fed57606f79e57b793c7c7407e5c0d526146f0036126d5d95316  exim-4.94.tar.xz
+sha512  5334c236221ed4e03dbc33e6a79d939b06037fa2f4b71971607a360b67af5c85a89681ee13a5eeaf0184382c55a160cf2e89ed7afb2949f025a54f1e88f9e3fc  exim-4.94.2.tar.xz
 # Locally calculated
 sha256  49240db527b7e55b312a46fc59794fde5dd006422e422257f4f057bfd27b3c8f  LICENCE

package/exim/exim.mk

@@ -4,7 +4,7 @@
 #
 ################################################################################
 
-EXIM_VERSION = 4.94
+EXIM_VERSION = 4.94.2
 EXIM_SOURCE = exim-$(EXIM_VERSION).tar.xz
 EXIM_SITE = https://ftp.exim.org/pub/exim/exim4
 EXIM_LICENSE = GPL-2.0+