{"schemaVersion":3,"id":"CVE-2021-22222","aliases":["MGASA-2021-0279","UBUNTU-CVE-2021-22222","DEBIAN-CVE-2021-22222"],"status":"published","duplicateOf":null,"title":null,"description":"Infinite loop in DVB-S2-BB dissector in Wireshark 3.4.0 to 3.4.5 allows denial of service via packet injection or crafted capture file","dates":{"published":"2021-06-07T12:01:14.000Z","modified":"2024-08-03T18:37:18.527Z","reserved":null,"kevAdded":[],"kevDue":[]},"cvss":{"headline":{"score":7.5,"severity":"high","version":"3.1","versionLabel":"v3.1","source":"CVE.org","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","computed":false,"selection":"backend-summary"},"metrics":[{"version":"3.1","versionLabel":"v3.1","source":"CVE.org","score":7.5,"severity":"high","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","exploitability":null,"impact":null,"computed":false},{"version":"3.1","versionLabel":"v3.1","source":"OSV · Ubuntu","score":7.5,"severity":"high","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","exploitability":10,"impact":6,"computed":true},{"version":"3.1","versionLabel":"v3.1","source":"OSV · Debian","score":7.5,"severity":"high","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","exploitability":10,"impact":6,"computed":true},{"version":"3.1","versionLabel":"v3.1","source":"NVD","score":7.5,"severity":"high","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","exploitability":null,"impact":null,"computed":false},{"version":"2.0","versionLabel":"v2.0","source":"NVD","score":5,"severity":"medium","vector":"AV:N/AC:L/Au:N/C:N/I:N/A:P","exploitability":null,"impact":null,"computed":false}]},"epss":{"probability":0.01914,"percentile":0.79528,"severity":"low","asOf":"2026-10-19T00:00:00.000Z","change":{"pp":0,"baselineDate":"2026-09-19T00:00:00.000Z","baselineScore":0.01914},"history":[{"date":"2026-09-14T00:00:00.000Z","score":0.01914,"percentile":null},{"date":"2026-09-15T00:00:00.000Z","score":0.01914,"percentile":null},{"date":"2026-09-16T00:00:00.000Z","score":0.01914,"percentile":null},{"date":"2026-09-17T00:00:00.000Z","score":0.01914,"percentile":null},{"date":"2026-09-18T00:00:00.000Z","score":0.01914,"percentile":null},{"date":"2026-09-19T00:00:00.000Z","score":0.01914,"percentile":null},{"date":"2026-09-20T00:00:00.000Z","score":0.01914,"percentile":null},{"date":"2026-09-21T00:00:00.000Z","score":0.01914,"percentile":null},{"date":"2026-09-22T00:00:00.000Z","score":0.01914,"percentile":null},{"date":"2026-09-23T00:00:00.000Z","score":0.01914,"percentile":null},{"date":"2026-09-24T00:00:00.000Z","score":0.01914,"percentile":null},{"date":"2026-09-25T00:00:00.000Z","score":0.01914,"percentile":null},{"date":"2026-09-26T00:00:00.000Z","score":0.01914,"percentile":null},{"date":"2026-09-27T00:00:00.000Z","score":0.01914,"percentile":null},{"date":"2026-09-28T00:00:00.000Z","score":0.01914,"percentile":null},{"date":"2026-09-29T00:00:00.000Z","score":0.01914,"percentile":null},{"date":"2026-09-30T00:00:00.000Z","score":0.01914,"percentile":null},{"date":"2026-10-01T00:00:00.000Z","score":0.01914,"percentile":null},{"date":"2026-10-02T00:00:00.000Z","score":0.01914,"percentile":null},{"date":"2026-10-03T00:00:00.000Z","score":0.01914,"percentile":null},{"date":"2026-10-04T00:00:00.000Z","score":0.01914,"percentile":null},{"date":"2026-10-05T00:00:00.000Z","score":0.01914,"percentile":null},{"date":"2026-10-06T00:00:00.000Z","score":0.01914,"percentile":null},{"date":"2026-10-07T00:00:00.000Z","score":0.01914,"percentile":null},{"date":"2026-10-08T00:00:00.000Z","score":0.01914,"percentile":null},{"date":"2026-10-09T00:00:00.000Z","score":0.01914,"percentile":null},{"date":"2026-10-10T00:00:00.000Z","score":0.01914,"percentile":null},{"date":"2026-10-11T00:00:00.000Z","score":0.01914,"percentile":null},{"date":"2026-10-12T00:00:00.000Z","score":0.01914,"percentile":null},{"date":"2026-10-13T00:00:00.000Z","score":0.01914,"percentile":null},{"date":"2026-10-14T00:00:00.000Z","score":0.01914,"percentile":null},{"date":"2026-10-15T00:00:00.000Z","score":0.01914,"percentile":null},{"date":"2026-10-16T00:00:00.000Z","score":0.01914,"percentile":null},{"date":"2026-10-17T00:00:00.000Z","score":0.01914,"percentile":null},{"date":"2026-10-18T00:00:00.000Z","score":0.01914,"percentile":null},{"date":"2026-10-19T00:00:00.000Z","score":0.01914,"percentile":0.79528}],"last30":[{"date":"2026-09-19T00:00:00.000Z","score":0.01914,"percentile":null},{"date":"2026-09-20T00:00:00.000Z","score":0.01914,"percentile":null},{"date":"2026-09-21T00:00:00.000Z","score":0.01914,"percentile":null},{"date":"2026-09-22T00:00:00.000Z","score":0.01914,"percentile":null},{"date":"2026-09-23T00:00:00.000Z","score":0.01914,"percentile":null},{"date":"2026-09-24T00:00:00.000Z","score":0.01914,"percentile":null},{"date":"2026-09-25T00:00:00.000Z","score":0.01914,"percentile":null},{"date":"2026-09-26T00:00:00.000Z","score":0.01914,"percentile":null},{"date":"2026-09-27T00:00:00.000Z","score":0.01914,"percentile":null},{"date":"2026-09-28T00:00:00.000Z","score":0.01914,"percentile":null},{"date":"2026-09-29T00:00:00.000Z","score":0.01914,"percentile":null},{"date":"2026-09-30T00:00:00.000Z","score":0.01914,"percentile":null},{"date":"2026-10-01T00:00:00.000Z","score":0.01914,"percentile":null},{"date":"2026-10-02T00:00:00.000Z","score":0.01914,"percentile":null},{"date":"2026-10-03T00:00:00.000Z","score":0.01914,"percentile":null},{"date":"2026-10-04T00:00:00.000Z","score":0.01914,"percentile":null},{"date":"2026-10-05T00:00:00.000Z","score":0.01914,"percentile":null},{"date":"2026-10-06T00:00:00.000Z","score":0.01914,"percentile":null},{"date":"2026-10-07T00:00:00.000Z","score":0.01914,"percentile":null},{"date":"2026-10-08T00:00:00.000Z","score":0.01914,"percentile":null},{"date":"2026-10-09T00:00:00.000Z","score":0.01914,"percentile":null},{"date":"2026-10-10T00:00:00.000Z","score":0.01914,"percentile":null},{"date":"2026-10-11T00:00:00.000Z","score":0.01914,"percentile":null},{"date":"2026-10-12T00:00:00.000Z","score":0.01914,"percentile":null},{"date":"2026-10-13T00:00:00.000Z","score":0.01914,"percentile":null},{"date":"2026-10-14T00:00:00.000Z","score":0.01914,"percentile":null},{"date":"2026-10-15T00:00:00.000Z","score":0.01914,"percentile":null},{"date":"2026-10-16T00:00:00.000Z","score":0.01914,"percentile":null},{"date":"2026-10-17T00:00:00.000Z","score":0.01914,"percentile":null},{"date":"2026-10-18T00:00:00.000Z","score":0.01914,"percentile":null},{"date":"2026-10-19T00:00:00.000Z","score":0.01914,"percentile":0.79528}]},"kev":{"state":"not-listed","entries":[],"listedCount":0,"totalCatalogs":3,"catalogs":[{"source":"cisa","label":"CISA","listed":false,"entry":null},{"source":"enisa","label":"ENISA","listed":false,"entry":null},{"source":"circl","label":"CIRCL","listed":false,"entry":null}]},"ransomware":{"state":"none-recorded","sources":[]},"exploits":[],"exploitCount":0,"weaknesses":[{"id":"CWE-835","name":"Loop with Unreachable Exit Condition ('Infinite Loop')","description":"The product contains an iteration or loop with an exit condition that cannot be reached, i.e., an infinite loop.","type":"weakness","status":"Incomplete","abstraction":"Base","likelihoodOfExploit":null,"url":"https://cwe.mitre.org/data/definitions/835.html"}],"affected":[{"vendor":"debian","product":"wireshark","name":"wireshark","label":"wireshark","ecosystem":"Debian","cpePart":null,"purl":"pkg:deb/debian/wireshark","purlType":"deb","versions":[{"text":"< 3.4.7-1","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 3.4.7-1","eol":null,"hubHref":null},{"vendor":"ubuntu","product":"wireshark","name":"wireshark","label":"wireshark","ecosystem":"Ubuntu","cpePart":null,"purl":"pkg:deb/ubuntu/wireshark","purlType":"deb","versions":[{"text":"All versions","noFixRecorded":true,"fixedIn":null}],"versionsText":"All versions (No fix recorded)","eol":null,"hubHref":null},{"vendor":"debian","product":"debian_linux","name":"debian linux","label":"debian_linux","ecosystem":null,"cpePart":"o","purl":null,"purlType":null,"versions":[{"text":"10.0","noFixRecorded":false,"fixedIn":null},{"text":"11.0","noFixRecorded":false,"fixedIn":null}],"versionsText":"10.0 | 11.0","eol":{"isEol":true,"eolDate":"2024-06-30T00:00:00.000Z","matchMethod":"cpe","cycle":{"name":"10","label":"10 (Buster)","eolFrom":"2024-06-30T00:00:00.000Z","isLts":false,"isMaintained":true,"latestVersion":"10.13"},"product":{"name":"debian","label":"Debian","category":"os"}},"hubHref":"/vendor/debian/debian_linux"},{"vendor":"mageia","product":"wireshark","name":"wireshark","label":"wireshark","ecosystem":"Mageia","cpePart":null,"purl":"pkg:rpm/mageia/wireshark","purlType":"rpm","versions":[{"text":"< 3.4.6-1.mga8","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 3.4.6-1.mga8","eol":null,"hubHref":null},{"vendor":"oracle","product":"enterprise_manager_ops_center","name":"enterprise manager ops center","label":"enterprise_manager_ops_center","ecosystem":null,"cpePart":"a","purl":null,"purlType":null,"versions":[{"text":"12.4.0.0","noFixRecorded":false,"fixedIn":null}],"versionsText":"12.4.0.0","eol":null,"hubHref":"/vendor/oracle/enterprise_manager_ops_center"},{"vendor":"oracle","product":"instantis_enterprisetrack","name":"instantis enterprisetrack","label":"instantis_enterprisetrack","ecosystem":null,"cpePart":"a","purl":null,"purlType":null,"versions":[{"text":"17.1","noFixRecorded":false,"fixedIn":null},{"text":"17.2","noFixRecorded":false,"fixedIn":null},{"text":"17.3","noFixRecorded":false,"fixedIn":null}],"versionsText":"17.1 | 17.2 | 17.3","eol":null,"hubHref":"/vendor/oracle/instantis_enterprisetrack"},{"vendor":"oracle","product":"zfs_storage_appliance_kit","name":"zfs storage appliance kit","label":"zfs_storage_appliance_kit","ecosystem":null,"cpePart":"a","purl":null,"purlType":null,"versions":[{"text":"8.8","noFixRecorded":false,"fixedIn":null}],"versionsText":"8.8","eol":null,"hubHref":"/vendor/oracle/zfs_storage_appliance_kit"},{"vendor":"the wireshark foundation","product":"wireshark","name":"Wireshark","label":"wireshark","ecosystem":null,"cpePart":"a","purl":null,"purlType":null,"versions":[{"text":"≥ 3.4.0, < 3.4.6","noFixRecorded":false,"fixedIn":null}],"versionsText":"≥ 3.4.0, < 3.4.6","eol":null,"hubHref":"/vendor/the_wireshark_foundation/wireshark"},{"vendor":"wireshark","product":"wireshark","name":"wireshark","label":"wireshark","ecosystem":null,"cpePart":"a","purl":null,"purlType":null,"versions":[{"text":"≥ 3.4.0, ≤ 3.4.5","noFixRecorded":false,"fixedIn":null}],"versionsText":"≥ 3.4.0, ≤ 3.4.5","eol":{"isEol":null,"eolDate":null,"matchMethod":"cpe","cycle":null,"product":{"name":"wireshark","label":"Wireshark","category":"app"}},"hubHref":"/vendor/wireshark/wireshark"}],"affectedCount":9,"eol":{"hasEol":true,"count":1},"references":[{"url":"https://www.wireshark.org/security/wnpa-sec-2021-05.html","label":"www.wireshark.org/security/wnpa-sec-2021-05.html","hostname":"www.wireshark.org","tags":["X Refsource MISC","REPORT","Vendor Advisory"]},{"url":"https://gitlab.com/wireshark/wireshark/-/merge_requests/3130","label":"gitlab.com/wireshark/wireshark/-/merge_requests/3130","hostname":"gitlab.com","tags":["X Refsource MISC","REPORT","Patch","Third Party Advisory"]},{"url":"https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-22222.json","label":"gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-22222.json","hostname":"gitlab.com","tags":["X Refsource CONFIRM","REPORT","Third Party Advisory"]},{"url":"https://security.gentoo.org/glsa/202107-21","label":"security.gentoo.org/glsa/202107-21","hostname":"security.gentoo.org","tags":["Vendor Advisory","X Refsource GENTOO","Third Party Advisory"]},{"url":"https://www.oracle.com/security-alerts/cpuoct2021.html","label":"www.oracle.com/security-alerts/cpuoct2021.html","hostname":"www.oracle.com","tags":["X Refsource MISC","Patch","Third Party Advisory"]},{"url":"https://www.debian.org/security/2021/dsa-5019","label":"www.debian.org/security/2021/dsa-5019","hostname":"www.debian.org","tags":["Vendor Advisory","X Refsource DEBIAN","Third Party Advisory"]},{"url":"https://advisories.mageia.org/MGASA-2021-0279.html","label":"advisories.mageia.org/MGASA-2021-0279.html","hostname":"advisories.mageia.org","tags":["Advisory"]},{"url":"https://bugs.mageia.org/show_bug.cgi?id=29088","label":"bugs.mageia.org/show_bug.cgi?id=29088","hostname":"bugs.mageia.org","tags":["REPORT"]},{"url":"https://www.wireshark.org/security/wnpa-sec-2021-05","label":"www.wireshark.org/security/wnpa-sec-2021-05","hostname":"www.wireshark.org","tags":["WEB"]},{"url":"https://www.wireshark.org/docs/relnotes/wireshark-3.4.6.html","label":"www.wireshark.org/docs/relnotes/wireshark-3.4.6.html","hostname":"www.wireshark.org","tags":["WEB"]},{"url":"https://www.wireshark.org/news/20210602.html","label":"www.wireshark.org/news/20210602.html","hostname":"www.wireshark.org","tags":["WEB"]},{"url":"https://ubuntu.com/security/CVE-2021-22222","label":"ubuntu.com/security/CVE-2021-22222","hostname":"ubuntu.com","tags":["Advisory","REPORT"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2021-22222","label":"www.cve.org/CVERecord?id=CVE-2021-22222","hostname":"www.cve.org","tags":["REPORT"]},{"url":"https://security-tracker.debian.org/tracker/CVE-2021-22222","label":"security-tracker.debian.org/tracker/CVE-2021-22222","hostname":"security-tracker.debian.org","tags":["Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-22222","label":"nvd.nist.gov/vuln/detail/CVE-2021-22222","hostname":"nvd.nist.gov","tags":["Oval","Advisory"]}],"lineage":{"upstream":[],"downstream":["DSA-5019-1"],"duplicates":[],"related":[]},"timeline":[{"kind":"published","date":"2021-06-07T12:01:14.000Z","label":"Published","detail":"Vulnerability first disclosed.","source":null},{"kind":"modified","date":"2024-08-03T18:37:18.527Z","label":"Last modified","detail":"Vulnerability information updated.","source":null}],"risk":{"score":30,"level":"medium","profile":"Default","thresholds":{"critical":75,"high":50,"medium":25,"low":10}},"meta":{"dataAsOf":"2026-10-19T18:38:25.315Z","stale":false,"partial":false}}