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=========================================================== Ubuntu Security Notice USN-850-2 October 22, 2009 poppler regression https://launchpad.net/bugs/457985 =========================================================== A security issue affects the following Ubuntu releases: Ubuntu 6.06 LTS Ubuntu 8.04 LTS Ubuntu 8.10 Ubuntu 9.04 This advisory also applies to the corresponding versions of Kubuntu, Edubuntu, and Xubuntu. The problem can be corrected by upgrading your system to the following package versions: Ubuntu 6.06 LTS: libpoppler1 0.5.1-0ubuntu7.7 libpoppler1-glib 0.5.1-0ubuntu7.7 Ubuntu 8.04 LTS: libpoppler-glib2 0.6.4-1ubuntu3.4 libpoppler2 0.6.4-1ubuntu3.4 Ubuntu 8.10: libpoppler-glib3 0.8.7-1ubuntu0.5 libpoppler3 0.8.7-1ubuntu0.5 Ubuntu 9.04: libpoppler-glib4 0.10.5-1ubuntu2.5 libpoppler4 0.10.5-1ubuntu2.5 In general, a standard system upgrade is sufficient to effect the necessary changes. Details follow: USN-850-1 fixed vulnerabilities in poppler. The security fix for CVE-2009-3605 introduced a regression that would cause certain applications, such as Okular, to segfault when opening certain PDF files. This update fixes the problem. We apologize for the inconvenience. Original advisory details: It was discovered that poppler contained multiple security issues when parsing malformed PDF documents. If a user or automated system were tricked into opening a crafted PDF file, an attacker could cause a denial of service or execute arbitrary code with privileges of the user invoking the program.