Moderate: poppler security update (Amazon Linux 2)

Package updates are available for Amazon Linux 2 that fix the following vulnerabilities: CVE-2019-9959: The JPXStream::init function in Poppler 0.78.0 and earlier doesn't check for negative values of stream length, leading to an Integer Overflow, thereby making it possible to allocate a large memory chunk on the heap, with a size controlled by an attacker, as demonstrated by pdftocairo. 1732340: CVE-2019-9959 poppler: integer overflow in JPXStream::init function leading to memory consumption CVE-2019-12293: In Poppler through 0.76.1, there is a heap-based buffer over-read in JPXStream::init in JPEG2000Stream.cc via data with inconsistent heights or widths. 1713582: CVE-2019-12293 poppler: heap-based buffer over-read in JPXStream::init in JPEG2000Stream.cc CVE-2019-10871: An issue was discovered in Poppler 0.74.0. There is a heap-based buffer over-read in the function PSOutputDev::checkPageSlice at PSOutputDev.cc. 1696636: CVE-2019-10871 poppler: heap-based buffer over-read in function PSOutputDev::checkPageSlice in PSOutputDev.cc CVE-2018-21009: Poppler before 0.66.0 has an integer overflow in Parser::makeStream in Parser.cc. 1753850: CVE-2018-21009 poppler: integer overflow in Parser::makeStream in Parser.cc