{"cve":{"cve_id":"CVE-2022-42898","is_kev":false,"kev_date_added":null,"kev_vendor_project":null,"kev_product":null,"kev_vulnerability_name":null,"kev_short_description":null,"kev_required_action":null,"kev_due_date":null,"kev_known_ransomware":null,"kev_notes":null,"kev_cwes":null,"epss_score":0.06473,"epss_percentile":0.93659,"epss_as_of":"2026-10-15","description":"PAC parsing in MIT Kerberos 5 (aka krb5) before 1.19.4 and 1.20.x before 1.20.1 has integer overflows that may lead to remote code execution (in KDC, kadmind, or a GSS or Kerberos application server) on 32-bit platforms (which have a resultant heap-based buffer overflow), and cause a denial of service on other platforms. This occurs in krb5_pac_parse in lib/krb5/krb/pac.c. Heimdal before 7.7.1 has \"a similar bug.\"","published_at":"2022-12-25T00:00:00Z","last_modified_at":"2026-10-14T19:16:52.490000Z","cvss_v3_score":8.8,"cvss_v3_vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","cvss_v3_severity":"HIGH","cvss_v4_score":null,"cvss_v4_vector":null,"cvss_v4_severity":null,"ssvc_decision":null,"ssvc_exploitation":"none","ssvc_automatable":false,"ssvc_technical_impact":"total","cwes":["CWE-190"],"nvd_references":["https://web.mit.edu/kerberos/advisories/","https://www.samba.org/samba/security/CVE-2022-42898.html","https://github.com/krb5/krb5/commit/ea92d2f0fcceb54a70910fa32e9a0d7a5afc3583","https://github.com/heimdal/heimdal/security/advisories/GHSA-64mq-fvfj-5x3c","https://web.mit.edu/kerberos/krb5-1.20/README-1.20.1.txt","https://web.mit.edu/kerberos/krb5-1.19/","https://bugzilla.samba.org/show_bug.cgi?id=15203","https://security.netapp.com/advisory/ntap-20230216-0008/","https://security.netapp.com/advisory/ntap-20230223-0001/","https://security.gentoo.org/glsa/202309-06","https://security.gentoo.org/glsa/202310-06"],"vuln_status":"Modified","trending_score":null,"is_trending":false,"has_trended":false,"trended_number_one":false,"trending_peak_score":null,"trending_peak_rank":null,"started_trending_at":null,"trended_number_one_at":null,"summary_generated":null,"summary_generated_at":null,"summary_model":null,"created_at":"2026-06-24T00:09:39.878444Z","updated_at":"2026-10-14T23:59:09.254433Z"},"effective_severity":"HIGH","badges":[],"impact_analysis":[],"cvss_v3_decoded":{"version":"3.1","metrics":[{"metric":"AV","name":"Attack Vector","value":"N","value_label":"Network"},{"metric":"AC","name":"Attack Complexity","value":"L","value_label":"Low"},{"metric":"PR","name":"Privileges Required","value":"L","value_label":"Low"},{"metric":"UI","name":"User Interaction","value":"N","value_label":"None"},{"metric":"S","name":"Scope","value":"U","value_label":"Unchanged"},{"metric":"C","name":"Confidentiality","value":"H","value_label":"High"},{"metric":"I","name":"Integrity","value":"H","value_label":"High"},{"metric":"A","name":"Availability","value":"H","value_label":"High"}]},"cvss_v4_decoded":{"version":null,"metrics":[]},"affected":[{"vendor_slug":"heimdal-project","vendor_name":"heimdal_project","product_slug":"heimdal","product_name":"heimdal","version_start":null,"version_start_inclusive":null,"version_end":"7.7.1","version_end_inclusive":false,"cpe23_uri":"cpe:2.3:a:heimdal_project:heimdal:*:*:*:*:*:*:*:*"},{"vendor_slug":"mit","vendor_name":"MIT","product_slug":"kerberos-5","product_name":"Kerberos 5","version_start":"1.8","version_start_inclusive":true,"version_end":"1.19.4","version_end_inclusive":false,"cpe23_uri":"cpe:2.3:a:mit:kerberos_5:*:*:*:*:*:*:*:*"},{"vendor_slug":"mit","vendor_name":"MIT","product_slug":"kerberos-5","product_name":"Kerberos 5","version_start":"1.20","version_start_inclusive":true,"version_end":"1.20","version_end_inclusive":true,"cpe23_uri":"cpe:2.3:a:mit:kerberos_5:1.20:-:*:*:*:*:*:*"},{"vendor_slug":"mit","vendor_name":"MIT","product_slug":"kerberos-5","product_name":"Kerberos 5","version_start":"1.20","version_start_inclusive":true,"version_end":"1.20","version_end_inclusive":true,"cpe23_uri":"cpe:2.3:a:mit:kerberos_5:1.20:beta1:*:*:*:*:*:*"},{"vendor_slug":"samba","vendor_name":"Samba","product_slug":"samba","product_name":"Samba","version_start":null,"version_start_inclusive":null,"version_end":"4.15.12","version_end_inclusive":false,"cpe23_uri":"cpe:2.3:a:samba:samba:*:*:*:*:*:*:*:*"}],"exploit_refs":[],"news":[],"references":[{"url":"https://web.mit.edu/kerberos/advisories/","source_type":"VENDOR_ADVISORY","tags":["advisory"]},{"url":"https://www.samba.org/samba/security/CVE-2022-42898.html","source_type":"MISC","tags":[]},{"url":"https://github.com/krb5/krb5/commit/ea92d2f0fcceb54a70910fa32e9a0d7a5afc3583","source_type":"PATCH","tags":["patch"]},{"url":"https://github.com/heimdal/heimdal/security/advisories/GHSA-64mq-fvfj-5x3c","source_type":"VENDOR_ADVISORY","tags":["advisory"]},{"url":"https://web.mit.edu/kerberos/krb5-1.20/README-1.20.1.txt","source_type":"MISC","tags":[]},{"url":"https://web.mit.edu/kerberos/krb5-1.19/","source_type":"MISC","tags":[]},{"url":"https://bugzilla.samba.org/show_bug.cgi?id=15203","source_type":"MISC","tags":[]},{"url":"https://security.netapp.com/advisory/ntap-20230216-0008/","source_type":"MISC","tags":[]},{"url":"https://security.netapp.com/advisory/ntap-20230223-0001/","source_type":"MISC","tags":[]},{"url":"https://security.gentoo.org/glsa/202309-06","source_type":"MISC","tags":[]},{"url":"https://security.gentoo.org/glsa/202310-06","source_type":"MISC","tags":[]}],"timeline":[{"type":"published","at":"2022-12-25T00:00:00Z","label":"CVE 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