{
  "threat_severity" : "Important",
  "public_date" : "2018-09-06T00:00:00Z",
  "bugzilla" : {
    "description" : "ghostscript: .definemodifiedfont memory corruption if /typecheck is handled (699668)",
    "id" : "1621363",
    "url" : "https://bugzilla.redhat.com/show_bug.cgi?id=1621363"
  },
  "cvss3" : {
    "cvss3_base_score" : "7.3",
    "cvss3_scoring_vector" : "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L",
    "status" : "verified"
  },
  "details" : [ "In Artifex Ghostscript before 9.24, attackers able to supply crafted PostScript files could use insufficient interpreter stack-size checking during error handling to crash the interpreter.", "It was discovered that ghostscript did not properly handle certain stack overflow error conditions. An attacker could possibly exploit this to bypass the -dSAFER protection and crash ghostscript or, possibly, execute arbitrary code in the ghostscript context via a specially crafted PostScript document." ],
  "statement" : "This issue affects the versions of ghostscript as shipped with Red Hat Enterprise Linux 5, 6, and 7.\nRed Hat Enterprise Linux 6 is now in Maintenance Support 2 Phase of the support and maintenance life cycle. This has been rated as having a security impact of Important, and is not currently planned to be addressed in future updates. For additional information, refer to the Red Hat Enterprise Linux Life Cycle: https://access.redhat.com/support/policy/updates/errata/.\nRed Hat Enterprise Linux 5 is now in Extended Life Phase of the support and maintenance life cycle. This issue is not currently planned to be addressed in future updates. For additional information, refer to the Red Hat Enterprise Linux Life Cycle: https://access.redhat.com/support/policy/updates/errata/.",
  "acknowledgement" : "Red Hat would like to thank Tavis Ormandy (Google Project Zero) for reporting this issue.",
  "affected_release" : [ {
    "product_name" : "Red Hat Enterprise Linux 7",
    "release_date" : "2018-10-16T00:00:00Z",
    "advisory" : "RHSA-2018:2918",
    "cpe" : "cpe:/o:redhat:enterprise_linux:7",
    "package" : "ghostscript-0:9.07-29.el7_5.2"
  } ],
  "package_state" : [ {
    "product_name" : "Red Hat Enterprise Linux 5",
    "fix_state" : "Will not fix",
    "package_name" : "ghostscript",
    "cpe" : "cpe:/o:redhat:enterprise_linux:5"
  }, {
    "product_name" : "Red Hat Enterprise Linux 6",
    "fix_state" : "Will not fix",
    "package_name" : "ghostscript",
    "cpe" : "cpe:/o:redhat:enterprise_linux:6"
  }, {
    "product_name" : "Red Hat Enterprise Linux 8",
    "fix_state" : "Not affected",
    "package_name" : "ghostscript",
    "cpe" : "cpe:/o:redhat:enterprise_linux:8"
  } ],
  "references" : [ "https://www.cve.org/CVERecord?id=CVE-2018-16542\nhttps://nvd.nist.gov/vuln/detail/CVE-2018-16542" ],
  "name" : "CVE-2018-16542",
  "mitigation" : {
    "value" : "Please refer to the \"Mitigation\" section of CVE-2018-16509 : https://access.redhat.com/security/cve/cve-2018-16509",
    "lang" : "en:us"
  },
  "csaw" : false
}