- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Gentoo Linux Security Advisory GLSA 201804-14 - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - https://security.gentoo.org/ - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Severity: Normal Title: GDK-PixBuf: Remote code execution Date: April 17, 2018 Bugs: #644770 ID: 201804-14 - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Synopsis ======== A vulnerability has been found in GDK-PixBuf that may allow a remote attacker to execute arbitrary code. Background ========== GDK-PixBuf is an image loading library for GTK+. Affected packages ================= ------------------------------------------------------------------- Package / Vulnerable / Unaffected ------------------------------------------------------------------- 1 x11-libs/gdk-pixbuf < 2.36.11 >= 2.36.11 Description =========== Several integer overflows were discovered in GDK-PixBuf's gif_get_lzw function. Impact ====== A remote attacker, by enticing a user to process a specially crafted image file, could execute arbitrary code or cause a Denial of Service condition. Workaround ========== There is no known workaround at this time. Resolution ========== All GDK-PixBuf users should upgrade to the latest version: # emerge --sync # emerge --ask --oneshot --verbose ">=x11-libs/gdk-pixbuf-2.36.11" References ========== [ 1 ] CVE-2017-1000422 https://nvd.nist.gov/vuln/detail/CVE-2017-1000422 Availability ============ This GLSA and any updates to it are available for viewing at the Gentoo Security Website: https://security.gentoo.org/glsa/201804-14 Concerns? ========= Security is a primary focus of Gentoo Linux and ensuring the confidentiality and security of our users' machines is of utmost importance to us. Any security concerns should be addressed to security@gentoo.org or alternatively, you may file a bug at https://bugs.gentoo.org. License ======= Copyright 2018 Gentoo Foundation, Inc; referenced text belongs to its owner(s). The contents of this document are licensed under the Creative Commons - Attribution / Share Alike license. https://creativecommons.org/licenses/by-sa/2.5