Arch Linux Security Advisory ASA-201902-16 ========================================== Severity: High Date : 2019-02-13 CVE-ID : CVE-2018-18356 CVE-2018-18511 CVE-2019-5785 Package : firefox Type : multiple issues Remote : Yes Link : https://security.archlinux.org/AVG-896 Summary ======= The package firefox before version 65.0.1-1 is vulnerable to multiple issues including arbitrary code execution and same-origin policy bypass. Resolution ========== Upgrade to 65.0.1-1. # pacman -Syu "firefox>=65.0.1-1" The problems have been fixed upstream in version 65.0.1. Workaround ========== None. Description =========== - CVE-2018-18356 (arbitrary code execution) A use-after-free has been found in the Skia component of chromium before 71.0.3578.80 and firefox before 65.0.1. - CVE-2018-18511 (same-origin policy bypass) A cross-origin theft of images issue has been found in the ImageBitmapRenderingContext component of firefox 65.0, where cross- origin images can be read from a canvas element in violation of the same-origin policy using the transferFromImageBitmap method. The issue has been fixed in 65.0.1 and versions prior to 65.0 were not affected. - CVE-2019-5785 (arbitrary code execution) An integer overflow issue has been found in the Skia component of firefox before 65.0.1. Impact ====== A remote attacker can bypass the same-origin policy to access sensitive information, or execute arbitrary code, via a crafted web content. References ========== https://www.mozilla.org/en-US/security/advisories/mfsa2019-04/ https://chromereleases.googleblog.com/2018/12/stable-channel-update-for-desk... https://bugs.chromium.org/p/chromium/issues/detail?id=883666 https://www.mozilla.org/en-US/security/advisories/mfsa2019-04/#CVE-2018-1835... https://bugzilla.mozilla.org/show_bug.cgi?id=1525817 https://www.mozilla.org/en-US/security/advisories/mfsa2019-04/#CVE-2019-5785 https://bugzilla.mozilla.org/show_bug.cgi?id=1526218 https://bugzilla.mozilla.org/show_bug.cgi?id=1525433 https://googleprojectzero.blogspot.com/2019/02/the-curious-case-of-convexity... https://security.archlinux.org/CVE-2018-18356 https://security.archlinux.org/CVE-2018-18511 https://security.archlinux.org/CVE-2019-5785