{
  "threat_severity" : "Important",
  "public_date" : "2026-04-21T20:00:00Z",
  "bugzilla" : {
    "description" : "openjdk: OpenJDK: Update LibPNG (Oracle CPU 2026-04)",
    "id" : "2460045",
    "url" : "https://bugzilla.redhat.com/show_bug.cgi?id=2460045"
  },
  "cvss3" : {
    "cvss3_base_score" : "7.1",
    "cvss3_scoring_vector" : "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:H",
    "status" : "draft"
  },
  "cwe" : "CWE-787",
  "details" : [ "No description is available for this CVE." ],
  "package_state" : [ {
    "product_name" : "Red Hat build of OpenJDK 11 ELS",
    "fix_state" : "Affected",
    "package_name" : "java-11-openjdk",
    "cpe" : "cpe:/a:redhat:openjdk_els:11"
  }, {
    "product_name" : "Red Hat build of OpenJDK 11 ELS",
    "fix_state" : "Affected",
    "package_name" : "java-11-openjdk-portable",
    "cpe" : "cpe:/a:redhat:openjdk_els:11"
  }, {
    "product_name" : "Red Hat build of OpenJDK 11 ELS",
    "fix_state" : "Affected",
    "package_name" : "java-11-openjdk-windows",
    "cpe" : "cpe:/a:redhat:openjdk_els:11"
  }, {
    "product_name" : "Red Hat build of OpenJDK 17",
    "fix_state" : "Affected",
    "package_name" : "java-17-openjdk-portable",
    "cpe" : "cpe:/a:redhat:openjdk:17"
  }, {
    "product_name" : "Red Hat build of OpenJDK 17",
    "fix_state" : "Affected",
    "package_name" : "java-17-openjdk-windows",
    "cpe" : "cpe:/a:redhat:openjdk:17"
  }, {
    "product_name" : "Red Hat build of OpenJDK 1.8",
    "fix_state" : "Affected",
    "package_name" : "java-1.8.0-openjdk-portable",
    "cpe" : "cpe:/a:redhat:openjdk:1.8"
  }, {
    "product_name" : "Red Hat build of OpenJDK 1.8",
    "fix_state" : "Affected",
    "package_name" : "java-1.8.0-openjdk-windows",
    "cpe" : "cpe:/a:redhat:openjdk:1.8"
  }, {
    "product_name" : "Red Hat build of OpenJDK 21",
    "fix_state" : "Affected",
    "package_name" : "java-21-openjdk-portable",
    "cpe" : "cpe:/a:redhat:openjdk:21"
  }, {
    "product_name" : "Red Hat build of OpenJDK 21",
    "fix_state" : "Affected",
    "package_name" : "java-21-openjdk-windows",
    "cpe" : "cpe:/a:redhat:openjdk:21"
  }, {
    "product_name" : "Red Hat build of OpenJDK 25",
    "fix_state" : "Affected",
    "package_name" : "java-25-openjdk-portable",
    "cpe" : "cpe:/a:redhat:openjdk:25"
  }, {
    "product_name" : "Red Hat build of OpenJDK 25",
    "fix_state" : "Affected",
    "package_name" : "java-25-openjdk-windows",
    "cpe" : "cpe:/a:redhat:openjdk:25"
  }, {
    "product_name" : "Red Hat Enterprise Linux 10",
    "fix_state" : "Affected",
    "package_name" : "firefox",
    "cpe" : "cpe:/o:redhat:enterprise_linux:10"
  }, {
    "product_name" : "Red Hat Enterprise Linux 10",
    "fix_state" : "Affected",
    "package_name" : "java-21-ibm-semeru-certified-jdk",
    "cpe" : "cpe:/o:redhat:enterprise_linux:10"
  }, {
    "product_name" : "Red Hat Enterprise Linux 10",
    "fix_state" : "Affected",
    "package_name" : "java-21-openjdk",
    "cpe" : "cpe:/o:redhat:enterprise_linux:10"
  }, {
    "product_name" : "Red Hat Enterprise Linux 10",
    "fix_state" : "Affected",
    "package_name" : "java-25-openjdk",
    "cpe" : "cpe:/o:redhat:enterprise_linux:10"
  }, {
    "product_name" : "Red Hat Enterprise Linux 10",
    "fix_state" : "Affected",
    "package_name" : "libpng",
    "cpe" : "cpe:/o:redhat:enterprise_linux:10"
  }, {
    "product_name" : "Red Hat Enterprise Linux 10",
    "fix_state" : "Affected",
    "package_name" : "thunderbird",
    "cpe" : "cpe:/o:redhat:enterprise_linux:10"
  }, {
    "product_name" : "Red Hat Enterprise Linux 6",
    "fix_state" : "Out of support scope",
    "package_name" : "java-1.6.0-openjdk",
    "cpe" : "cpe:/o:redhat:enterprise_linux:6"
  }, {
    "product_name" : "Red Hat Enterprise Linux 6",
    "fix_state" : "Out of support scope",
    "package_name" : "java-1.7.0-openjdk",
    "cpe" : "cpe:/o:redhat:enterprise_linux:6"
  }, {
    "product_name" : "Red Hat Enterprise Linux 6",
    "fix_state" : "Out of support scope",
    "package_name" : "java-1.8.0-openjdk",
    "cpe" : "cpe:/o:redhat:enterprise_linux:6"
  }, {
    "product_name" : "Red Hat Enterprise Linux 6",
    "fix_state" : "Will not fix",
    "package_name" : "libpng",
    "cpe" : "cpe:/o:redhat:enterprise_linux:6"
  }, {
    "product_name" : "Red Hat Enterprise Linux 7",
    "fix_state" : "Affected",
    "package_name" : "firefox",
    "cpe" : "cpe:/o:redhat:enterprise_linux:7"
  }, {
    "product_name" : "Red Hat Enterprise Linux 7",
    "fix_state" : "Out of support scope",
    "package_name" : "java-1.6.0-openjdk",
    "cpe" : "cpe:/o:redhat:enterprise_linux:7"
  }, {
    "product_name" : "Red Hat Enterprise Linux 7",
    "fix_state" : "Out of support scope",
    "package_name" : "java-1.7.0-openjdk",
    "cpe" : "cpe:/o:redhat:enterprise_linux:7"
  }, {
    "product_name" : "Red Hat Enterprise Linux 7",
    "fix_state" : "Affected",
    "package_name" : "java-1.8.0-openjdk",
    "cpe" : "cpe:/o:redhat:enterprise_linux:7"
  }, {
    "product_name" : "Red Hat Enterprise Linux 7",
    "fix_state" : "Affected",
    "package_name" : "libpng",
    "cpe" : "cpe:/o:redhat:enterprise_linux:7"
  }, {
    "product_name" : "Red Hat Enterprise Linux 7",
    "fix_state" : "Affected",
    "package_name" : "libpng12",
    "cpe" : "cpe:/o:redhat:enterprise_linux:7"
  }, {
    "product_name" : "Red Hat Enterprise Linux 8",
    "fix_state" : "Affected",
    "package_name" : "firefox",
    "cpe" : "cpe:/o:redhat:enterprise_linux:8"
  }, {
    "product_name" : "Red Hat Enterprise Linux 8",
    "fix_state" : "Affected",
    "package_name" : "java-17-openjdk",
    "cpe" : "cpe:/o:redhat:enterprise_linux:8"
  }, {
    "product_name" : "Red Hat Enterprise Linux 8",
    "fix_state" : "Affected",
    "package_name" : "java-1.8.0-ibm",
    "cpe" : "cpe:/o:redhat:enterprise_linux:8"
  }, {
    "product_name" : "Red Hat Enterprise Linux 8",
    "fix_state" : "Affected",
    "package_name" : "java-1.8.0-openjdk",
    "cpe" : "cpe:/o:redhat:enterprise_linux:8"
  }, {
    "product_name" : "Red Hat Enterprise Linux 8",
    "fix_state" : "Affected",
    "package_name" : "java-21-openjdk",
    "cpe" : "cpe:/o:redhat:enterprise_linux:8"
  }, {
    "product_name" : "Red Hat Enterprise Linux 8",
    "fix_state" : "Affected",
    "package_name" : "libpng",
    "cpe" : "cpe:/o:redhat:enterprise_linux:8"
  }, {
    "product_name" : "Red Hat Enterprise Linux 8",
    "fix_state" : "Affected",
    "package_name" : "libpng12",
    "cpe" : "cpe:/o:redhat:enterprise_linux:8"
  }, {
    "product_name" : "Red Hat Enterprise Linux 8",
    "fix_state" : "Affected",
    "package_name" : "libpng15",
    "cpe" : "cpe:/o:redhat:enterprise_linux:8"
  }, {
    "product_name" : "Red Hat Enterprise Linux 8",
    "fix_state" : "Affected",
    "package_name" : "mingw-libpng",
    "cpe" : "cpe:/o:redhat:enterprise_linux:8"
  }, {
    "product_name" : "Red Hat Enterprise Linux 8",
    "fix_state" : "Affected",
    "package_name" : "thunderbird",
    "cpe" : "cpe:/o:redhat:enterprise_linux:8"
  }, {
    "product_name" : "Red Hat Enterprise Linux 9",
    "fix_state" : "Affected",
    "package_name" : "firefox",
    "cpe" : "cpe:/o:redhat:enterprise_linux:9"
  }, {
    "product_name" : "Red Hat Enterprise Linux 9",
    "fix_state" : "Affected",
    "package_name" : "java-17-openjdk",
    "cpe" : "cpe:/o:redhat:enterprise_linux:9"
  }, {
    "product_name" : "Red Hat Enterprise Linux 9",
    "fix_state" : "Affected",
    "package_name" : "java-1.8.0-openjdk",
    "cpe" : "cpe:/o:redhat:enterprise_linux:9"
  }, {
    "product_name" : "Red Hat Enterprise Linux 9",
    "fix_state" : "Affected",
    "package_name" : "java-21-openjdk",
    "cpe" : "cpe:/o:redhat:enterprise_linux:9"
  }, {
    "product_name" : "Red Hat Enterprise Linux 9",
    "fix_state" : "Affected",
    "package_name" : "java-25-openjdk",
    "cpe" : "cpe:/o:redhat:enterprise_linux:9"
  }, {
    "product_name" : "Red Hat Enterprise Linux 9",
    "fix_state" : "Affected",
    "package_name" : "libpng",
    "cpe" : "cpe:/o:redhat:enterprise_linux:9"
  }, {
    "product_name" : "Red Hat Enterprise Linux 9",
    "fix_state" : "Affected",
    "package_name" : "libpng15",
    "cpe" : "cpe:/o:redhat:enterprise_linux:9"
  }, {
    "product_name" : "Red Hat Enterprise Linux 9",
    "fix_state" : "Affected",
    "package_name" : "thunderbird",
    "cpe" : "cpe:/o:redhat:enterprise_linux:9"
  }, {
    "product_name" : "Red Hat OpenShift Container Platform 4",
    "fix_state" : "Affected",
    "package_name" : "rhcos",
    "cpe" : "cpe:/a:redhat:openshift:4"
  } ],
  "references" : [ "https://www.cve.org/CVERecord?id=CVE-2026-22020\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-22020\nhttps://www.oracle.com/security-alerts/cpuapr2026.html#AppendixJAVA" ],
  "name" : "CVE-2026-22020",
  "csaw" : false
}