This update for poppler fixes the following issues:
CVE-2017-14977: Fixed a NULL pointer dereference vulnerability in the
FoFiTrueType::getCFFBlock() function in FoFiTrueType.cc that occurred due to
lack of validation of a table pointer, which allows an attacker to launch a
denial of service attack. (bsc#1061265)
CVE-2017-1000456: Validate boundaries in TextPool::addWord to prevent
overflows in subsequent calculations (bsc#1074453)
CVE-2017-15565: Prevent NULL Pointer dereference in the
GfxImageColorMap::getGrayLine() function via a crafted PDF document
(bsc#1064593)