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- Fix CVE-2021-27347: Use after free in lzma_decompress_buf function in stream.c in Irzip 0.631 allows attackers to cause Denial of Service (DoS) via a crafted compressed file. - Fix CVE-2021-27345: A null pointer dereference was discovered in ucompthread in stream.c in Irzip 0.631 which allows attackers to cause a denial of service (DOS) via a crafted compressed file. - Fix CVE-2020-25467: A null pointer dereference was discovered lzo_decompress_buf in stream.c in Irzip 0.621 which allows an attacker to cause a denial of service (DOS) via a crafted compressed file. - lz4 is a mandatory dependency since version 0.640 and3345a239b77f3bf46203...v0.641 Signed-off-by: Fabrice Fontaine <fontaine.fabrice@gmail.com> Signed-off-by: Peter Korsgaard <peter@korsgaard.com> (cherry picked from commit3332c143c0) Signed-off-by: Peter Korsgaard <peter@korsgaard.com>