Security update for poppler (important)

An update that fixes 21 vulnerabilities is now available.

Description:

This update for poppler fixes the following issues:

• CVE-2017-18267: Fixed an infinite recursion that would allow remote
  attackers to cause a denial of service (bsc#1092945).
• CVE-2018-13988: Added an improper implementation check which otherwise
  could allow buffer overflows, memory corruption, and denial of service
  (bsc#1102531).
• CVE-2018-16646: Fixed an infinite recursion which could allow a
  denial-of-service attack via a specially crafted PDF file (bsc#1107597).
• CVE-2018-18897: Fixed a memory leak (bsc#1114966).
• CVE-2018-19058: Fixed a bug which could allow a denial-of-service attack
  via a specially crafted PDF file (bsc#1115187).
• CVE-2018-19059: Fixed an out-of-bounds read access which could allow a
  denial-of-service attack (bsc#1115186).
• CVE-2018-19060: Fixed a NULL pointer dereference which could allow a
  denial-of-service attack (bsc#1115185).
• CVE-2018-19149: Fixed a NULL pointer dereference which could allow a
  denial-of-service attack (bsc#1115626).
• CVE-2018-20481: Fixed a NULL pointer dereference while handling
  unallocated XRef entries which could allow a denial-of-service attack
  (bsc#1120495).
• CVE-2018-20551: Fixed a reachable assertion which could allow a
  denial-of-service attack through specially crafted PDF files
  (bsc#1120496).
• CVE-2018-20650: Fixed a reachable assertion which could allow
  denial-of-service through specially crafted PDF files (bsc#1120939).
• CVE-2018-20662: Fixed a bug which could potentially crash the running
  process by SIGABRT resulting in a denial-of-service attack through a
  specially crafted PDF file (bsc#1120956).
• CVE-2019-10871: Fixed a heap-based buffer over-read in the function
  PSOutputDev::checkPageSlice at PSOutputDev.cc (bsc#1131696).
• CVE-2019-10872: Fixed a heap-based buffer over-read in the function
  Splash::blitTransparent at splash/Splash.cc (bsc#1131722).
• CVE-2019-14494: Fixed a divide-by-zero error in the function
  SplashOutputDev::tilingPatternFill (bsc#1143950).
• CVE-2019-7310: Fixed a heap-based buffer over-read (due to an integer
  signedness error in the XRef::getEntry function in XRef.cc) that allows
  remote attackers to cause a denial of service or possibly have
  unspecified other impact via a crafted PDF document (bsc#1124150).
• CVE-2019-9200: Fixed a heap-based buffer underwrite which could allow
  denial-of-service attack through a specially crafted PDF file
  (bsc#1127329)
• CVE-2019-9631: Fixed a heap-based buffer over-read in the
  CairoRescaleBox.cc downsample_row_box_filter function (bsc#1129202).
• CVE-2019-9903: Fixed excessive stack consumption in the Dict::find()
  method, which can be triggered by passing a crafted pdf file to the
  pdfunite binary (bsc#1130229).
• CVE-2019-9959: Fixed integer overflow that made it possible to allocate
  a large memory chunk on the heap with a size controlled by an attacker
  (bsc#1142465).
• CVE-2020-27778: Fixed buffer overflow vulnerability in pdftohtml
  (bsc#1179163).

Patch Instructions:

To install this openSUSE Security Update use the SUSE recommended installation methods
like YaST online_update or “zypper patch”.

Alternatively you can run the command listed for your product:

• openSUSE Leap 15.3:

  zypper in -t patch openSUSE-SLE-15.3-2021-3854=1