{
  "threat_severity" : "Moderate",
  "public_date" : "2021-03-10T00:00:00Z",
  "bugzilla" : {
    "description" : "avahi: Local DoS by event-busy-loop from writing long lines to /run/avahi-daemon/socket",
    "id" : "1939614",
    "url" : "https://bugzilla.redhat.com/show_bug.cgi?id=1939614"
  },
  "cvss3" : {
    "cvss3_base_score" : "6.2",
    "cvss3_scoring_vector" : "CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
    "status" : "verified"
  },
  "cwe" : "CWE-835",
  "details" : [ "A flaw was found in avahi in versions 0.6 up to 0.8. The event used to signal the termination of the client connection on the avahi Unix socket is not correctly handled in the client_work function, allowing a local attacker to trigger an infinite loop. The highest threat from this vulnerability is to the availability of the avahi service, which becomes unresponsive after this flaw is triggered.", "A flaw was found in avahi. The event used to signal the termination of the client connection on the avahi Unix socket is not correctly handled in the client_work function, allowing a local attacker to trigger an infinite loop. The highest threat from this vulnerability is to the availability of the avahi service, which becomes unresponsive after this flaw is triggered." ],
  "affected_release" : [ {
    "product_name" : "Red Hat Enterprise Linux 8",
    "release_date" : "2023-12-14T00:00:00Z",
    "advisory" : "RHSA-2023:7836",
    "cpe" : "cpe:/a:redhat:enterprise_linux:8",
    "package" : "avahi-0:0.7-21.el8_9.1"
  }, {
    "product_name" : "Red Hat Enterprise Linux 8",
    "release_date" : "2023-12-14T00:00:00Z",
    "advisory" : "RHSA-2023:7836",
    "cpe" : "cpe:/o:redhat:enterprise_linux:8",
    "package" : "avahi-0:0.7-21.el8_9.1"
  }, {
    "product_name" : "Red Hat Enterprise Linux 8.6 Extended Update Support",
    "release_date" : "2024-01-25T00:00:00Z",
    "advisory" : "RHSA-2024:0418",
    "cpe" : "cpe:/a:redhat:rhel_eus:8.6",
    "package" : "avahi-0:0.7-20.el8_6.3"
  }, {
    "product_name" : "Red Hat Enterprise Linux 8.8 Extended Update Support",
    "release_date" : "2024-01-30T00:00:00Z",
    "advisory" : "RHSA-2024:0576",
    "cpe" : "cpe:/a:redhat:rhel_eus:8.8",
    "package" : "avahi-0:0.7-20.el8_8.4"
  }, {
    "product_name" : "Red Hat Enterprise Linux 9",
    "release_date" : "2023-11-07T00:00:00Z",
    "advisory" : "RHSA-2023:6707",
    "cpe" : "cpe:/a:redhat:enterprise_linux:9",
    "package" : "avahi-0:0.8-15.el9"
  }, {
    "product_name" : "Red Hat Enterprise Linux 9",
    "release_date" : "2023-11-07T00:00:00Z",
    "advisory" : "RHSA-2023:6707",
    "cpe" : "cpe:/o:redhat:enterprise_linux:9",
    "package" : "avahi-0:0.8-15.el9"
  } ],
  "package_state" : [ {
    "product_name" : "Red Hat Enterprise Linux 6",
    "fix_state" : "Out of support scope",
    "package_name" : "avahi",
    "cpe" : "cpe:/o:redhat:enterprise_linux:6"
  }, {
    "product_name" : "Red Hat Enterprise Linux 7",
    "fix_state" : "Out of support scope",
    "package_name" : "avahi",
    "cpe" : "cpe:/o:redhat:enterprise_linux:7"
  } ],
  "references" : [ "https://www.cve.org/CVERecord?id=CVE-2021-3468\nhttps://nvd.nist.gov/vuln/detail/CVE-2021-3468" ],
  "name" : "CVE-2021-3468",
  "csaw" : false
}