{
  "threat_severity" : "Moderate",
  "public_date" : "2018-03-14T00:00:00Z",
  "bugzilla" : {
    "description" : "python: DOS via regular expression backtracking in difflib.IS_LINE_JUNK method in difflib",
    "id" : "1549192",
    "url" : "https://bugzilla.redhat.com/show_bug.cgi?id=1549192"
  },
  "cvss3" : {
    "cvss3_base_score" : "6.5",
    "cvss3_scoring_vector" : "CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H",
    "status" : "verified"
  },
  "cwe" : "CWE-20",
  "details" : [ "python before versions 2.7.15, 3.4.9, 3.5.6rc1, 3.6.5rc1 and 3.7.0 is vulnerable to catastrophic backtracking in the difflib.IS_LINE_JUNK method.  An attacker could use this flaw to cause denial of service.", "A flaw was found in the way catastrophic backtracking was implemented in python's difflib.IS_LINE_JUNK method. An attacker could use this flaw to cause denial of service." ],
  "acknowledgement" : "Red Hat would like to thank the Python security response team for reporting this issue.",
  "affected_release" : [ {
    "product_name" : "Red Hat Enterprise Linux 7",
    "release_date" : "2018-10-30T00:00:00Z",
    "advisory" : "RHSA-2018:3041",
    "cpe" : "cpe:/o:redhat:enterprise_linux:7",
    "package" : "python-0:2.7.5-76.el7"
  }, {
    "product_name" : "Red Hat Enterprise Linux 7.4 Advanced Update Support",
    "release_date" : "2020-04-07T00:00:00Z",
    "advisory" : "RHSA-2020:1346",
    "cpe" : "cpe:/o:redhat:rhel_aus:7.4",
    "package" : "python-0:2.7.5-63.el7_4"
  }, {
    "product_name" : "Red Hat Enterprise Linux 7.4 Telco Extended Update Support",
    "release_date" : "2020-04-07T00:00:00Z",
    "advisory" : "RHSA-2020:1346",
    "cpe" : "cpe:/o:redhat:rhel_tus:7.4",
    "package" : "python-0:2.7.5-63.el7_4"
  }, {
    "product_name" : "Red Hat Enterprise Linux 7.4 Update Services for SAP Solutions",
    "release_date" : "2020-04-07T00:00:00Z",
    "advisory" : "RHSA-2020:1346",
    "cpe" : "cpe:/o:redhat:rhel_e4s:7.4",
    "package" : "python-0:2.7.5-63.el7_4"
  }, {
    "product_name" : "Red Hat Enterprise Linux 7.5 Extended Update Support",
    "release_date" : "2020-04-01T00:00:00Z",
    "advisory" : "RHSA-2020:1268",
    "cpe" : "cpe:/o:redhat:rhel_eus:7.5",
    "package" : "python-0:2.7.5-74.el7_5"
  }, {
    "product_name" : "Red Hat Software Collections for Red Hat Enterprise Linux 6",
    "release_date" : "2019-05-22T00:00:00Z",
    "advisory" : "RHSA-2019:1260",
    "cpe" : "cpe:/a:redhat:rhel_software_collections:3::el6",
    "package" : "python27-python-0:2.7.16-4.el6"
  }, {
    "product_name" : "Red Hat Software Collections for Red Hat Enterprise Linux 6",
    "release_date" : "2019-05-22T00:00:00Z",
    "advisory" : "RHSA-2019:1260",
    "cpe" : "cpe:/a:redhat:rhel_software_collections:3::el6",
    "package" : "python27-python-jinja2-0:2.6-12.el6"
  }, {
    "product_name" : "Red Hat Software Collections for Red Hat Enterprise Linux 6",
    "release_date" : "2019-11-06T00:00:00Z",
    "advisory" : "RHSA-2019:3725",
    "cpe" : "cpe:/a:redhat:rhel_software_collections:3::el6",
    "package" : "rh-python36-python-0:3.6.9-2.el6"
  }, {
    "product_name" : "Red Hat Software Collections for Red Hat Enterprise Linux 7",
    "release_date" : "2019-05-22T00:00:00Z",
    "advisory" : "RHSA-2019:1260",
    "cpe" : "cpe:/a:redhat:rhel_software_collections:3::el7",
    "package" : "python27-python-0:2.7.16-4.el7"
  }, {
    "product_name" : "Red Hat Software Collections for Red Hat Enterprise Linux 7",
    "release_date" : "2019-05-22T00:00:00Z",
    "advisory" : "RHSA-2019:1260",
    "cpe" : "cpe:/a:redhat:rhel_software_collections:3::el7",
    "package" : "python27-python-jinja2-0:2.6-15.el7"
  }, {
    "product_name" : "Red Hat Software Collections for Red Hat Enterprise Linux 7",
    "release_date" : "2019-11-06T00:00:00Z",
    "advisory" : "RHSA-2019:3725",
    "cpe" : "cpe:/a:redhat:rhel_software_collections:3::el7",
    "package" : "rh-python36-python-0:3.6.9-2.el7"
  }, {
    "product_name" : "Red Hat Software Collections for Red Hat Enterprise Linux 7.4 EUS",
    "release_date" : "2019-05-22T00:00:00Z",
    "advisory" : "RHSA-2019:1260",
    "cpe" : "cpe:/a:redhat:rhel_software_collections:3::el7",
    "package" : "python27-python-0:2.7.16-4.el7"
  }, {
    "product_name" : "Red Hat Software Collections for Red Hat Enterprise Linux 7.4 EUS",
    "release_date" : "2019-05-22T00:00:00Z",
    "advisory" : "RHSA-2019:1260",
    "cpe" : "cpe:/a:redhat:rhel_software_collections:3::el7",
    "package" : "python27-python-jinja2-0:2.6-15.el7"
  }, {
    "product_name" : "Red Hat Software Collections for Red Hat Enterprise Linux 7.5 EUS",
    "release_date" : "2019-05-22T00:00:00Z",
    "advisory" : "RHSA-2019:1260",
    "cpe" : "cpe:/a:redhat:rhel_software_collections:3::el7",
    "package" : "python27-python-0:2.7.16-4.el7"
  }, {
    "product_name" : "Red Hat Software Collections for Red Hat Enterprise Linux 7.5 EUS",
    "release_date" : "2019-05-22T00:00:00Z",
    "advisory" : "RHSA-2019:1260",
    "cpe" : "cpe:/a:redhat:rhel_software_collections:3::el7",
    "package" : "python27-python-jinja2-0:2.6-15.el7"
  }, {
    "product_name" : "Red Hat Software Collections for Red Hat Enterprise Linux 7.5 EUS",
    "release_date" : "2019-11-06T00:00:00Z",
    "advisory" : "RHSA-2019:3725",
    "cpe" : "cpe:/a:redhat:rhel_software_collections:3::el7",
    "package" : "rh-python36-python-0:3.6.9-2.el7"
  }, {
    "product_name" : "Red Hat Software Collections for Red Hat Enterprise Linux 7.6 EUS",
    "release_date" : "2019-05-22T00:00:00Z",
    "advisory" : "RHSA-2019:1260",
    "cpe" : "cpe:/a:redhat:rhel_software_collections:3::el7",
    "package" : "python27-python-0:2.7.16-4.el7"
  }, {
    "product_name" : "Red Hat Software Collections for Red Hat Enterprise Linux 7.6 EUS",
    "release_date" : "2019-05-22T00:00:00Z",
    "advisory" : "RHSA-2019:1260",
    "cpe" : "cpe:/a:redhat:rhel_software_collections:3::el7",
    "package" : "python27-python-jinja2-0:2.6-15.el7"
  }, {
    "product_name" : "Red Hat Software Collections for Red Hat Enterprise Linux 7.6 EUS",
    "release_date" : "2019-11-06T00:00:00Z",
    "advisory" : "RHSA-2019:3725",
    "cpe" : "cpe:/a:redhat:rhel_software_collections:3::el7",
    "package" : "rh-python36-python-0:3.6.9-2.el7"
  }, {
    "product_name" : "Red Hat Software Collections for Red Hat Enterprise Linux 7.7 EUS",
    "release_date" : "2019-11-06T00:00:00Z",
    "advisory" : "RHSA-2019:3725",
    "cpe" : "cpe:/a:redhat:rhel_software_collections:3::el7",
    "package" : "rh-python36-python-0:3.6.9-2.el7"
  } ],
  "package_state" : [ {
    "product_name" : "Red Hat Enterprise Linux 5",
    "fix_state" : "Will not fix",
    "package_name" : "python",
    "cpe" : "cpe:/o:redhat:enterprise_linux:5"
  }, {
    "product_name" : "Red Hat Enterprise Linux 6",
    "fix_state" : "Will not fix",
    "package_name" : "python",
    "cpe" : "cpe:/o:redhat:enterprise_linux:6"
  }, {
    "product_name" : "Red Hat Software Collections",
    "fix_state" : "Will not fix",
    "package_name" : "rh-python34-python",
    "cpe" : "cpe:/a:redhat:rhel_software_collections:3"
  }, {
    "product_name" : "Red Hat Software Collections",
    "fix_state" : "Will not fix",
    "package_name" : "rh-python35-python",
    "cpe" : "cpe:/a:redhat:rhel_software_collections:3"
  } ],
  "references" : [ "https://www.cve.org/CVERecord?id=CVE-2018-1061\nhttps://nvd.nist.gov/vuln/detail/CVE-2018-1061\nhttps://docs.python.org/3.6/whatsnew/changelog.html#python-3-6-5-final" ],
  "name" : "CVE-2018-1061",
  "csaw" : false
}