Fixes the following security issues:
- CVE-2021-1386: Fix for UnRAR DLL load privilege escalation. Affects
0.103.1 and prior on Windows only.
- CVE-2021-1252: Fix for Excel XLM parser infinite loop. Affects 0.103.0
and 0.103.1 only.
- CVE-2021-1404: Fix for PDF parser buffer over-read; possible crash.
Affects 0.103.0 and 0.103.1 only.
- CVE-2021-1405: Fix for mail parser NULL-dereference crash. Affects
0.103.1 and prior.
- CVE-2021-27506: The ClamAV Engine (Version 0.103.1 and below) embedded in
Storsmshield Network Security (1.0 to 4.1.5) is subject to DoS in case of
parsing of malformed png files.
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>
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