========================================================================== Ubuntu Security Notice USN-3403-1 August 28, 2017 ghostscript vulnerabilities ========================================================================== A security issue affects these releases of Ubuntu and its derivatives: - Ubuntu 17.04 - Ubuntu 16.04 LTS - Ubuntu 14.04 LTS Summary: Several security issues were fixed in Ghostscript. Software Description: - ghostscript: PostScript and PDF interpreter Details: Kamil Frankowicz discovered that Ghostscript mishandles references. A remote attacker could use this to cause a denial of service. (CVE-2017-11714) Kim Gwan Yeong discovered that Ghostscript could allow a heap-based buffer over-read and application crash. A remote attacker could use a crafted document to cause a denial of service. (CVE-2017-9611,A CVE-2017-9726, CVE-2017-9727, CVE-2017-9739) Kim Gwan Yeong discovered an use-after-free vulnerability in Ghostscript. A remote attacker could use a crafted file to cause a denial of service. (CVE-2017-9612) Kim Gwan Yeong discovered a lack of integer overflow check in Ghostscript. A remote attacker could use crafted PostScript document to cause a denial of service. (CVE-2017-9835) Update instructions: The problem can be corrected by updating your system to the following package versions: Ubuntu 17.04: A ghostscriptA A A A A A A A A A A A A A A A A A A A A 9.19~dfsg+1-0ubuntu7.6 A ghostscript-xA A A A A A A A A A A A A A A A A A A 9.19~dfsg+1-0ubuntu7.6 A libgs9A A A A A A A A A A A A A A A A A A A A A A A A A A 9.19~dfsg+1-0ubuntu7.6 A libgs9-commonA A A A A A A A A A A A A A A A A A A 9.19~dfsg+1-0ubuntu7.6 Ubuntu 16.04 LTS: A ghostscriptA A A A A A A A A A A A A A A A A A A A A 9.18~dfsg~0-0ubuntu2.7 A ghostscript-xA A A A A A A A A A A A A A A A A A A 9.18~dfsg~0-0ubuntu2.7 A libgs9A A A A A A A A A A A A A A A A A A A A A A A A A A 9.18~dfsg~0-0ubuntu2.7 A libgs9-commonA A A A A A A A A A A A A A A A A A A 9.18~dfsg~0-0ubuntu2.7 Ubuntu 14.04 LTS: A ghostscriptA A A A A A A A A A A A A A A A A A A A A 9.10~dfsg-0ubuntu10.10 A ghostscript-xA A A A A A A A A A A A A A A A A A A 9.10~dfsg-0ubuntu10.10 A libgs9A A A A A A A A A A A A A A A A A A A A A A A A A A 9.10~dfsg-0ubuntu10.10 A libgs9-commonA A A A A A A A A A A A A A A A A A A 9.10~dfsg-0ubuntu10.10 In general, a standard system update will make all the necessary changes. References: A https://www.ubuntu.com/usn/usn-3403-1 A CVE-2017-11714, CVE-2017-9611, CVE-2017-9612, CVE-2017-9726, A CVE-2017-9727, CVE-2017-9739, CVE-2017-9835 Package Information: A https://launchpad.net/ubuntu/+source/ghostscript/9.19~dfsg+1-0ubuntu7.6 A https://launchpad.net/ubuntu/+source/ghostscript/9.18~dfsg~0-0ubuntu2.7 A https://launchpad.net/ubuntu/+source/ghostscript/9.10~dfsg-0ubuntu10.10