[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"repo-stars":3,"vuln-DEBIAN-CVE-2021-20254":6},{"stargazers_count":4,"fetched_at":5},7,"2026-06-05T02:55:30.529Z",{"id":7,"descriptions":8,"cisa":9,"weaknesses":10,"exploits":11,"aliases":12,"duplicate_of":9,"upstream":13,"downstream":16,"duplicates":19,"related":20,"reserved_at":9,"published_at":21,"modified_at":22,"state":9,"summary":23,"references_raw":25,"kevs":32,"epss":9,"epss_history":33,"metrics":34,"affected":41},"DEBIAN-CVE-2021-20254","A flaw was found in samba. The Samba smbd file server must map Windows group identities (SIDs) into unix group ids (gids). The code that performs this had a flaw that could allow it to read data beyond the end of the array in the case where a negative cache entry had been added to the mapping cache. This could cause the calling code to return those values into the process token that stores the group membership for a user. The highest threat from this vulnerability is to data confidentiality and integrity.",null,[],[],[],[14],{"_key":15},"CVE-2021-20254",[17],{"_key":18},"DLA-2668-1",[],[],"2021-05-05T14:15:07.883Z","2026-04-28T20:21:59.241741Z",{"cisa_kev":24,"cisa_ransomware":24,"cisa_vendor":9,"epss_severity":9,"epss_score":9,"severity":9,"severity_score":9,"severity_version":9,"severity_source":9,"severity_vector":9,"severity_status":9},false,[26],{"url":27,"sources":28,"tags":30},"https://security-tracker.debian.org/tracker/CVE-2021-20254",[29],"osv_debian",[31],"Advisory",[],[],[35],{"source":29,"cvss_v2_0":9,"cvss_v3_0":9,"cvss_v3_1":36,"cvss_v4_0":9},{"baseScore":37,"baseSeverity":9,"vectorString":38,"impactScore":39,"exploitabilityScore":40},6.8,"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:N",8.7,4.1,[42],{"ecosystem":43,"name":44,"vendor":45,"product":44,"cpe_part":9,"purl_type":46,"purl_namespace":45,"purl_name":44,"source":9,"versions":47},"Debian","samba","debian","deb",[48,54,55,56],{"version":49,"is_range":50,"range_type":51,"version_start":9,"version_start_type":9,"version_end":52,"version_end_type":53,"fixed_in":9},"lt2:4_13_5+dfsg_2",true,"ecosystem","2:4.13.5+dfsg-2","excluding",{"version":49,"is_range":50,"range_type":51,"version_start":9,"version_start_type":9,"version_end":52,"version_end_type":53,"fixed_in":9},{"version":49,"is_range":50,"range_type":51,"version_start":9,"version_start_type":9,"version_end":52,"version_end_type":53,"fixed_in":9},{"version":49,"is_range":50,"range_type":51,"version_start":9,"version_start_type":9,"version_end":52,"version_end_type":53,"fixed_in":9}]