This update for strongswan fixes the following issues: Security issues fixed: - CVE-2018-5388: Fixed a buffer underflow which may allow to a remote attacker with local user credentials to resource exhaustion and denial of service while reading from the socket . - CVE-2018-10811: Fixed a denial of service during the IKEv2 key derivation if the openssl plugin is used in FIPS mode and HMAC-MD5 is negotiated as PRF . - CVE-2018-16151,CVE-2018-16152: Fixed multiple flaws in the gmp plugin which might lead to authorization bypass . - CVE-2018-17540: Fixed an improper input validation in gmp plugin .