GraphicsMagick 1.3.26 allows remote attackers to cause a denial of service (excessive memory allocation) because of an integer underflow in ReadPICTImage in coders/pict.c.

References

• https://nvd.nist.gov/vuln/detail/CVE-2017-14997
• https://lists.debian.org/debian-lts-announce/2018/08/msg00002.html
• https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/PF62B5PJA2JDUOCKJGUQO3SPL74BEYSV/
• https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/WHIKB4TP6KBJWT2UIPWL5MWMG5QXKGEJ/
• https://sourceforge.net/p/graphicsmagick/bugs/511/
• https://sourceforge.net/p/graphicsmagick/code/ci/0683f8724200495059606c03f04e0d589b33ebe8/
• https://usn.ubuntu.com/4232-1/
• https://www.debian.org/security/2018/dsa-4321
• http://hg.graphicsmagick.org/hg/GraphicsMagick?cmd=changeset;node=0683f8724200
• http://www.securityfocus.com/bid/101183