{
  "threat_severity" : "Low",
  "public_date" : "2020-06-15T00:00:00Z",
  "bugzilla" : {
    "description" : "pcre: Buffer over-read in JIT when UTF is disabled and \\X or \\R has fixed quantifier greater than 1",
    "id" : "1848444",
    "url" : "https://bugzilla.redhat.com/show_bug.cgi?id=1848444"
  },
  "cvss3" : {
    "cvss3_base_score" : "7.5",
    "cvss3_scoring_vector" : "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
    "status" : "verified"
  },
  "cwe" : "CWE-125",
  "details" : [ "libpcre in PCRE before 8.43 allows a subject buffer over-read in JIT when UTF is disabled, and \\X or \\R has more than one fixed quantifier, a related issue to CVE-2019-20454." ],
  "affected_release" : [ {
    "product_name" : "JBoss Core Services for RHEL 8",
    "release_date" : "2021-11-10T00:00:00Z",
    "advisory" : "RHSA-2021:4614",
    "cpe" : "cpe:/a:redhat:jboss_core_services:1::el8",
    "package" : "jbcs-httpd24-apr-0:1.6.3-107.el8jbcs"
  }, {
    "product_name" : "JBoss Core Services for RHEL 8",
    "release_date" : "2021-11-10T00:00:00Z",
    "advisory" : "RHSA-2021:4614",
    "cpe" : "cpe:/a:redhat:jboss_core_services:1::el8",
    "package" : "jbcs-httpd24-apr-util-0:1.6.1-84.el8jbcs"
  }, {
    "product_name" : "JBoss Core Services for RHEL 8",
    "release_date" : "2021-11-10T00:00:00Z",
    "advisory" : "RHSA-2021:4614",
    "cpe" : "cpe:/a:redhat:jboss_core_services:1::el8",
    "package" : "jbcs-httpd24-curl-0:7.78.0-2.el8jbcs"
  }, {
    "product_name" : "JBoss Core Services for RHEL 8",
    "release_date" : "2021-11-10T00:00:00Z",
    "advisory" : "RHSA-2021:4614",
    "cpe" : "cpe:/a:redhat:jboss_core_services:1::el8",
    "package" : "jbcs-httpd24-httpd-0:2.4.37-78.el8jbcs"
  }, {
    "product_name" : "JBoss Core Services for RHEL 8",
    "release_date" : "2021-11-10T00:00:00Z",
    "advisory" : "RHSA-2021:4614",
    "cpe" : "cpe:/a:redhat:jboss_core_services:1::el8",
    "package" : "jbcs-httpd24-mod_cluster-native-0:1.3.16-9.Final_redhat_2.el8jbcs"
  }, {
    "product_name" : "JBoss Core Services for RHEL 8",
    "release_date" : "2021-11-10T00:00:00Z",
    "advisory" : "RHSA-2021:4614",
    "cpe" : "cpe:/a:redhat:jboss_core_services:1::el8",
    "package" : "jbcs-httpd24-mod_http2-0:1.15.7-21.el8jbcs"
  }, {
    "product_name" : "JBoss Core Services for RHEL 8",
    "release_date" : "2021-11-10T00:00:00Z",
    "advisory" : "RHSA-2021:4614",
    "cpe" : "cpe:/a:redhat:jboss_core_services:1::el8",
    "package" : "jbcs-httpd24-mod_jk-0:1.2.48-20.redhat_1.el8jbcs"
  }, {
    "product_name" : "JBoss Core Services for RHEL 8",
    "release_date" : "2021-11-10T00:00:00Z",
    "advisory" : "RHSA-2021:4614",
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  }, {
    "product_name" : "JBoss Core Services for RHEL 8",
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  }, {
    "product_name" : "JBoss Core Services for RHEL 8",
    "release_date" : "2021-11-10T00:00:00Z",
    "advisory" : "RHSA-2021:4614",
    "cpe" : "cpe:/a:redhat:jboss_core_services:1::el8",
    "package" : "jbcs-httpd24-nghttp2-0:1.39.2-39.el8jbcs"
  }, {
    "product_name" : "JBoss Core Services for RHEL 8",
    "release_date" : "2021-11-10T00:00:00Z",
    "advisory" : "RHSA-2021:4614",
    "cpe" : "cpe:/a:redhat:jboss_core_services:1::el8",
    "package" : "jbcs-httpd24-openssl-1:1.1.1g-8.el8jbcs"
  }, {
    "product_name" : "JBoss Core Services for RHEL 8",
    "release_date" : "2021-11-10T00:00:00Z",
    "advisory" : "RHSA-2021:4614",
    "cpe" : "cpe:/a:redhat:jboss_core_services:1::el8",
    "package" : "jbcs-httpd24-openssl-chil-0:1.0.0-7.el8jbcs"
  }, {
    "product_name" : "JBoss Core Services for RHEL 8",
    "release_date" : "2021-11-10T00:00:00Z",
    "advisory" : "RHSA-2021:4614",
    "cpe" : "cpe:/a:redhat:jboss_core_services:1::el8",
    "package" : "jbcs-httpd24-openssl-pkcs11-0:0.4.10-22.el8jbcs"
  }, {
    "product_name" : "JBoss Core Services on RHEL 7",
    "release_date" : "2021-11-10T00:00:00Z",
    "advisory" : "RHSA-2021:4614",
    "cpe" : "cpe:/a:redhat:jboss_core_services:1::el7",
    "package" : "jbcs-httpd24-apr-0:1.6.3-107.jbcs.el7"
  }, {
    "product_name" : "JBoss Core Services on RHEL 7",
    "release_date" : "2021-11-10T00:00:00Z",
    "advisory" : "RHSA-2021:4614",
    "cpe" : "cpe:/a:redhat:jboss_core_services:1::el7",
    "package" : "jbcs-httpd24-apr-util-0:1.6.1-84.jbcs.el7"
  }, {
    "product_name" : "JBoss Core Services on RHEL 7",
    "release_date" : "2021-11-10T00:00:00Z",
    "advisory" : "RHSA-2021:4614",
    "cpe" : "cpe:/a:redhat:jboss_core_services:1::el7",
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    "product_name" : "JBoss Core Services on RHEL 7",
    "release_date" : "2021-11-10T00:00:00Z",
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    "product_name" : "JBoss Core Services on RHEL 7",
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    "cpe" : "cpe:/a:redhat:jboss_core_services:1::el7",
    "package" : "jbcs-httpd24-mod_cluster-native-0:1.3.16-9.Final_redhat_2.jbcs.el7"
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    "product_name" : "JBoss Core Services on RHEL 7",
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    "product_name" : "JBoss Core Services on RHEL 7",
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    "advisory" : "RHSA-2021:4614",
    "cpe" : "cpe:/a:redhat:jboss_core_services:1::el7",
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    "product_name" : "JBoss Core Services on RHEL 7",
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    "product_name" : "JBoss Core Services on RHEL 7",
    "release_date" : "2021-11-10T00:00:00Z",
    "advisory" : "RHSA-2021:4614",
    "cpe" : "cpe:/a:redhat:jboss_core_services:1::el7",
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  }, {
    "product_name" : "JBoss Core Services on RHEL 7",
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    "advisory" : "RHSA-2021:4614",
    "cpe" : "cpe:/a:redhat:jboss_core_services:1::el7",
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  }, {
    "product_name" : "JBoss Core Services on RHEL 7",
    "release_date" : "2021-11-10T00:00:00Z",
    "advisory" : "RHSA-2021:4614",
    "cpe" : "cpe:/a:redhat:jboss_core_services:1::el7",
    "package" : "jbcs-httpd24-openssl-1:1.1.1g-8.jbcs.el7"
  }, {
    "product_name" : "JBoss Core Services on RHEL 7",
    "release_date" : "2021-11-10T00:00:00Z",
    "advisory" : "RHSA-2021:4614",
    "cpe" : "cpe:/a:redhat:jboss_core_services:1::el7",
    "package" : "jbcs-httpd24-openssl-chil-0:1.0.0-7.jbcs.el7"
  }, {
    "product_name" : "JBoss Core Services on RHEL 7",
    "release_date" : "2021-11-10T00:00:00Z",
    "advisory" : "RHSA-2021:4614",
    "cpe" : "cpe:/a:redhat:jboss_core_services:1::el7",
    "package" : "jbcs-httpd24-openssl-pkcs11-0:0.4.10-22.jbcs.el7"
  }, {
    "product_name" : "Red Hat Enterprise Linux 8",
    "release_date" : "2021-11-09T00:00:00Z",
    "advisory" : "RHSA-2021:4373",
    "cpe" : "cpe:/o:redhat:enterprise_linux:8",
    "package" : "pcre-0:8.42-6.el8"
  }, {
    "product_name" : "Text-Only JBCS",
    "release_date" : "2021-11-10T00:00:00Z",
    "advisory" : "RHSA-2021:4613",
    "cpe" : "cpe:/a:redhat:jboss_core_services:1",
    "package" : "pcre"
  } ],
  "package_state" : [ {
    "product_name" : "Red Hat Advanced Cluster Management for Kubernetes 2",
    "fix_state" : "Fix deferred",
    "package_name" : "rhacm2/management-ingress-rhel8",
    "cpe" : "cpe:/a:redhat:acm:2"
  }, {
    "product_name" : "Red Hat Enterprise Linux 6",
    "fix_state" : "Not affected",
    "package_name" : "pcre",
    "cpe" : "cpe:/o:redhat:enterprise_linux:6"
  }, {
    "product_name" : "Red Hat Enterprise Linux 7",
    "fix_state" : "Not affected",
    "package_name" : "pcre",
    "cpe" : "cpe:/o:redhat:enterprise_linux:7"
  } ],
  "references" : [ "https://www.cve.org/CVERecord?id=CVE-2019-20838\nhttps://nvd.nist.gov/vuln/detail/CVE-2019-20838" ],
  "name" : "CVE-2019-20838",
  "mitigation" : {
    "value" : "Do not use more than one fixed quantifier with \\R or \\X with UTF disabled in PCRE or PCRE2, as these are the conditions needed to trigger the flaw.",
    "lang" : "en:us"
  },
  "csaw" : false
}