This update for webkit2gtk3 to version 2.18.0 fixes the following issues: These security issues were fixed: - CVE-2017-7039: An issue was fixed that allowed remote attackers to execute arbitrary code or cause a denial of service via a crafted web site . - CVE-2017-7018: An issue was fixed that allowed remote attackers to execute arbitrary code or cause a denial of service via a crafted web site . - CVE-2017-7030: An issue was fixed that allowed remote attackers to execute arbitrary code or cause a denial of service via a crafted web site . - CVE-2017-7037: An issue was fixed that allowed remote attackers to execute arbitrary code or cause a denial of service via a crafted web site . - CVE-2017-7034: An issue was fixed that allowed remote attackers to execute arbitrary code or cause a denial of service via a crafted web site . - CVE-2017-7055: An issue was fixed that allowed remote attackers to execute arbitrary code or cause a denial of service via a crafted web site . - CVE-2017-7056: An issue was fixed that allowed remote attackers to execute arbitrary code or cause a denial of service via a crafted web site . - CVE-2017-7064: An issue was fixed that allowed remote attackers to bypass intended memory-read restrictions via a crafted app . - CVE-2017-7061: An issue was fixed that allowed remote attackers to execute arbitrary code or cause a denial of service via a crafted web site . - CVE-2017-7048: An issue was fixed that allowed remote attackers to execute arbitrary code or cause a denial of service via a crafted web site . - CVE-2017-7046: An issue was fixed that allowed remote attackers to execute arbitrary code or cause a denial of service via a crafted web site . - CVE-2017-2538: An issue was fixed that allowed remote attackers to execute arbitrary code or cause a denial of service via a crafted web site - CVE-2017-2496: An issue was fixed that allowed remote attackers to execute arbitrary code or cause a denial of service via a crafted web site. - CVE-2017-2539: An issue was fixed that allowed remote attackers to execute arbitrary code or cause a denial of service via a crafted web site. - CVE-2017-2510: An issue was fixed that allowed remote attackers to conduct Universal XSS attacks via a crafted web site that improperly interacts with pageshow events. - CVE-2017-2365: An issue was fixed that allowed remote attackers to bypass the Same Origin Policy and obtain sensitive information via a crafted web site - CVE-2017-2366: An issue was fixed that allowed remote attackers to execute arbitrary code or cause a denial of service via a crafted web site - CVE-2017-2373: An issue was fixed that allowed remote attackers to execute arbitrary code or cause a denial of service via a crafted web site - CVE-2017-2363: An issue was fixed that allowed remote attackers to bypass the Same Origin Policy and obtain sensitive information via a crafted web site - CVE-2017-2362: An issue was fixed that allowed remote attackers to execute arbitrary code or cause a denial of service via a crafted web site - CVE-2017-2350: An issue was fixed that allowed remote attackers to bypass the Same Origin Policy and obtain sensitive information via a crafted web site - CVE-2017-2350: An issue was fixed that allowed remote attackers to bypass the Same Origin Policy and obtain sensitive information via a crafted web site - CVE-2017-2354: An issue was fixed that allowed remote attackers to execute arbitrary code or cause a denial of service via a crafted web site . - CVE-2017-2355: An issue was fixed that allowed remote attackers to execute arbitrary code or cause a denial of service via a crafted web site - CVE-2017-2356: An issue was fixed that allowed remote attackers to execute arbitrary code or cause a denial of service via a crafted web site - CVE-2017-2371: An issue was fixed that allowed remote attackers to launch popups via a crafted web site - CVE-2017-2364: An issue was fixed that allowed remote attackers to bypass the Same Origin Policy and obtain sensitive information via a crafted web site - CVE-2017-2369: An issue was fixed that allowed remote attackers to execute arbitrary code or cause a denial of service via a crafted web site - CVE-2016-7656: An issue was fixed that allowed remote attackers to execute arbitrary code or cause a denial of service via a crafted web site - CVE-2016-7635: An issue was fixed that allowed remote attackers to execute arbitrary code or cause a denial of service via a crafted web site - CVE-2016-7654: An issue was fixed that allowed remote attackers to execute arbitrary code or cause a denial of service via a crafted web site - CVE-2016-7639: An issue was fixed that allowed remote attackers to execute arbitrary code or cause a denial of service via a crafted web site - CVE-2016-7645: An issue was fixed that allowed remote attackers to execute arbitrary code or cause a denial of service via a crafted web site - CVE-2016-7652: An issue was fixed that allowed remote attackers to execute arbitrary code or cause a denial of service via a crafted web site - CVE-2016-7641: An issue was fixed that allowed remote attackers to execute arbitrary code or cause a denial of service via a crafted web site - CVE-2016-7632: An issue was fixed that allowed remote attackers to execute arbitrary code or cause a denial of service via a crafted web site - CVE-2016-7599: An issue was fixed that allowed remote attackers to bypass the Same Origin Policy and obtain sensitive information via a crafted web site that used HTTP redirects - CVE-2016-7592: An issue was fixed that allowed remote attackers to obtain sensitive information via crafted JavaScript prompts on a web site - CVE-2016-7589: An issue was fixed that allowed remote attackers to execute arbitrary code or cause a denial of service via a crafted web site - CVE-2016-7623: An issue was fixed that allowed remote attackers to obtain sensitive information via a blob URL on a web site - CVE-2016-7586: An issue was fixed that allowed remote attackers to obtain sensitive information via a crafted web site For other non-security fixes please check the changelog.