[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"repo-stars":3,"vuln-CVE-2021-20221":6},{"stargazers_count":4,"fetched_at":5},7,"2026-06-04T20:55:29.923Z",{"id":7,"descriptions":8,"cisa":9,"weaknesses":10,"exploits":29,"aliases":30,"duplicate_of":9,"upstream":31,"downstream":32,"duplicates":71,"related":72,"reserved_at":9,"published_at":84,"modified_at":85,"state":86,"summary":87,"references_raw":96,"kevs":125,"epss":126,"epss_history":129,"metrics":395,"affected":406},"CVE-2021-20221","An out-of-bounds heap buffer access issue was found in the ARM Generic Interrupt Controller emulator of QEMU up to and including qemu 4.2.0on aarch64 platform. The issue occurs because while writing an interrupt ID to the controller memory area, it is not masked to be 4 bits wide. It may lead to the said issue while updating controller state fields and their subsequent processing. A privileged guest user may use this flaw to crash the QEMU process on the host resulting in DoS scenario.",null,[11,20],{"_key":12,"id":12,"name":13,"description":14,"type":15,"status":16,"abstraction":17,"likelihood_of_exploit":18,"capec":19},"CWE-787","Out-of-bounds Write","The product writes data past the end, or before the beginning, of the intended buffer.","weakness","Draft","Base","High",[],{"_key":21,"id":21,"name":22,"description":23,"type":15,"status":16,"abstraction":17,"likelihood_of_exploit":9,"capec":24},"CWE-125","Out-of-bounds Read","The product reads data past the end, or before the beginning, of the intended buffer.",[25],{"id":26,"name":27,"techniques":28},"CAPEC-540","Overread Buffers",[],[],[],[],[33,35,37,39,41,43,45,47,49,51,53,55,57,59,61,63,65,67,69],{"_key":34},"SUSE-SU-2021:1829-1",{"_key":36},"RHSA-2021:1125",{"_key":38},"RHSA-2021:2521",{"_key":40},"RHSA-2021:3061",{"_key":42},"OPENSUSE-SU-2024:11287-1",{"_key":44},"SUSE-SU-2021:0521-1",{"_key":46},"SUSE-SU-2021:1241-1",{"_key":48},"SUSE-SU-2021:1242-1",{"_key":50},"SUSE-SU-2021:1244-1",{"_key":52},"SUSE-SU-2021:1245-1",{"_key":54},"SUSE-SU-2021:14772-1",{"_key":56},"SUSE-SU-2021:14774-1",{"_key":58},"SUSE-SU-2021:1894-1",{"_key":60},"UBUNTU-CVE-2021-20221",{"_key":62},"OPENSUSE-SU-2021:0363-1",{"_key":64},"DLA-2560-1",{"_key":66},"DLA-3099-1",{"_key":68},"USN-5010-1",{"_key":70},"DEBIAN-CVE-2021-20221",[],[73,74,75,76,77,78,79,80,81,82,83],{"_key":34},{"_key":42},{"_key":44},{"_key":46},{"_key":48},{"_key":50},{"_key":52},{"_key":54},{"_key":56},{"_key":58},{"_key":62},"2021-05-13T15:34:48.000Z","2024-08-03T17:30:07.645Z","Modified",{"cisa_kev":88,"cisa_ransomware":88,"cisa_vendor":9,"epss_severity":89,"epss_score":90,"severity":91,"severity_score":92,"severity_version":93,"severity_source":94,"severity_vector":95,"severity_status":86},false,"low",0.00026,"medium",6,"v3.1","nvd","CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:N/I:N/A:H",[97,106,110,116,121],{"url":98,"sources":99,"tags":101},"http://www.openwall.com/lists/oss-security/2021/02/05/1",[100,94],"cve.org",[102,103,104,105],"Mailing List","X Refsource MLIST","Patch","Third Party Advisory",{"url":107,"sources":108,"tags":109},"https://lists.debian.org/debian-lts-announce/2021/02/msg00024.html",[100,94],[102,103,105],{"url":111,"sources":112,"tags":113},"https://bugzilla.redhat.com/show_bug.cgi?id=1924601",[100,94],[114,115,104,105],"X Refsource MISC","Issue Tracking",{"url":117,"sources":118,"tags":119},"https://security.netapp.com/advisory/ntap-20210708-0005/",[100,94],[120,105],"X Refsource CONFIRM",{"url":122,"sources":123,"tags":124},"https://lists.debian.org/debian-lts-announce/2022/09/msg00008.html",[100,94],[102,103,105],[],{"date":127,"score":90,"percentile":128},"2026-06-04",0.07826,[130,134,137,140,143,146,149,152,155,158,161,164,167,170,173,177,180,183,186,189,192,195,198,201,204,207,210,212,215,218,221,224,227,230,232,235,238,241,244,247,250,253,256,258,261,264,267,270,272,274,277,280,283,286,289,292,295,298,301,304,307,310,313,315,318,322,325,328,331,334,337,340,342,345,348,351,354,356,359,362,365,368,371,374,377,380,383,386,389,392],{"date":131,"score":132,"percentile":133},"2025-11-04",0.00022,0.04534,{"date":135,"score":132,"percentile":136},"2025-11-05",0.04543,{"date":138,"score":132,"percentile":139},"2025-11-06",0.04657,{"date":141,"score":132,"percentile":142},"2025-11-07",0.04665,{"date":144,"score":132,"percentile":145},"2025-11-08",0.0466,{"date":147,"score":132,"percentile":148},"2025-11-09",0.04662,{"date":150,"score":132,"percentile":151},"2025-11-10",0.04648,{"date":153,"score":132,"percentile":154},"2025-11-11",0.04685,{"date":156,"score":132,"percentile":157},"2025-11-12",0.04705,{"date":159,"score":132,"percentile":160},"2025-11-13",0.04736,{"date":162,"score":132,"percentile":163},"2025-11-14",0.04765,{"date":165,"score":132,"percentile":166},"2025-11-15",0.04805,{"date":168,"score":132,"percentile":169},"2025-11-16",0.0482,{"date":171,"score":132,"percentile":172},"2025-11-17",0.04808,{"date":174,"score":175,"percentile":176},"2025-11-18",0.00066,0.16293,{"date":178,"score":175,"percentile":179},"2025-11-19",0.16306,{"date":181,"score":175,"percentile":182},"2025-11-20",0.16286,{"date":184,"score":132,"percentile":185},"2025-11-21",0.0484,{"date":187,"score":132,"percentile":188},"2025-11-22",0.04851,{"date":190,"score":132,"percentile":191},"2025-11-23",0.04843,{"date":193,"score":132,"percentile":194},"2025-11-24",0.04821,{"date":196,"score":132,"percentile":197},"2025-11-25",0.04832,{"date":199,"score":132,"percentile":200},"2025-11-26",0.04868,{"date":202,"score":132,"percentile":203},"2025-11-27",0.04887,{"date":205,"score":132,"percentile":206},"2025-11-28",0.04875,{"date":208,"score":132,"percentile":209},"2025-11-29",0.0493,{"date":211,"score":132,"percentile":209},"2025-11-30",{"date":213,"score":132,"percentile":214},"2025-12-01",0.05026,{"date":216,"score":132,"percentile":217},"2025-12-02",0.05041,{"date":219,"score":132,"percentile":220},"2025-12-03",0.05067,{"date":222,"score":132,"percentile":223},"2025-12-04",0.05013,{"date":225,"score":132,"percentile":226},"2025-12-05",0.05075,{"date":228,"score":132,"percentile":229},"2025-12-06",0.0509,{"date":231,"score":132,"percentile":229},"2025-12-07",{"date":233,"score":132,"percentile":234},"2025-12-08",0.05093,{"date":236,"score":132,"percentile":237},"2025-12-09",0.05137,{"date":239,"score":132,"percentile":240},"2025-12-10",0.05198,{"date":242,"score":132,"percentile":243},"2025-12-11",0.0519,{"date":245,"score":132,"percentile":246},"2025-12-12",0.05214,{"date":248,"score":132,"percentile":249},"2025-12-13",0.05259,{"date":251,"score":132,"percentile":252},"2025-12-14",0.05247,{"date":254,"score":132,"percentile":255},"2025-12-15",0.0522,{"date":257,"score":132,"percentile":255},"2025-12-16",{"date":259,"score":132,"percentile":260},"2025-12-17",0.05283,{"date":262,"score":132,"percentile":263},"2025-12-18",0.05319,{"date":265,"score":132,"percentile":266},"2025-12-19",0.05303,{"date":268,"score":132,"percentile":269},"2025-12-20",0.05306,{"date":271,"score":132,"percentile":269},"2025-12-21",{"date":273,"score":132,"percentile":252},"2025-12-22",{"date":275,"score":132,"percentile":276},"2025-12-23",0.05257,{"date":278,"score":132,"percentile":279},"2025-12-24",0.05294,{"date":281,"score":132,"percentile":282},"2025-12-25",0.05328,{"date":284,"score":132,"percentile":285},"2025-12-26",0.05332,{"date":287,"score":132,"percentile":288},"2025-12-27",0.0533,{"date":290,"score":132,"percentile":291},"2025-12-28",0.05322,{"date":293,"score":132,"percentile":294},"2025-12-29",0.05315,{"date":296,"score":132,"percentile":297},"2025-12-30",0.05275,{"date":299,"score":132,"percentile":300},"2025-12-31",0.05307,{"date":302,"score":132,"percentile":303},"2026-01-01",0.05389,{"date":305,"score":132,"percentile":306},"2026-01-02",0.05384,{"date":308,"score":132,"percentile":309},"2026-01-03",0.05349,{"date":311,"score":132,"percentile":312},"2026-01-04",0.05245,{"date":314,"score":132,"percentile":243},"2026-01-05",{"date":316,"score":132,"percentile":317},"2026-01-06",0.05186,{"date":319,"score":320,"percentile":321},"2026-01-07",0.00023,0.0557,{"date":323,"score":320,"percentile":324},"2026-01-08",0.05632,{"date":326,"score":320,"percentile":327},"2026-01-09",0.0563,{"date":329,"score":320,"percentile":330},"2026-01-10",0.05629,{"date":332,"score":320,"percentile":333},"2026-01-11",0.05616,{"date":335,"score":320,"percentile":336},"2026-01-12",0.05598,{"date":338,"score":320,"percentile":339},"2026-01-13",0.05587,{"date":341,"score":320,"percentile":327},"2026-01-14",{"date":343,"score":320,"percentile":344},"2026-01-15",0.0562,{"date":346,"score":320,"percentile":347},"2026-01-16",0.05622,{"date":349,"score":320,"percentile":350},"2026-01-17",0.05628,{"date":352,"score":320,"percentile":353},"2026-01-18",0.05623,{"date":355,"score":320,"percentile":339},"2026-01-19",{"date":357,"score":320,"percentile":358},"2026-01-20",0.0556,{"date":360,"score":320,"percentile":361},"2026-01-21",0.05564,{"date":363,"score":320,"percentile":364},"2026-01-22",0.05547,{"date":366,"score":320,"percentile":367},"2026-01-23",0.05603,{"date":369,"score":320,"percentile":370},"2026-01-24",0.05648,{"date":372,"score":320,"percentile":373},"2026-01-25",0.05579,{"date":375,"score":320,"percentile":376},"2026-01-26",0.05556,{"date":378,"score":320,"percentile":379},"2026-01-27",0.05535,{"date":381,"score":320,"percentile":382},"2026-01-28",0.0552,{"date":384,"score":320,"percentile":385},"2026-01-29",0.05532,{"date":387,"score":320,"percentile":388},"2026-01-30",0.0553,{"date":390,"score":320,"percentile":391},"2026-01-31",0.05504,{"date":393,"score":320,"percentile":394},"2026-02-01",0.05571,[396],{"source":94,"cvss_v2_0":397,"cvss_v3_0":9,"cvss_v3_1":402,"cvss_v4_0":9},{"baseScore":398,"baseSeverity":9,"vectorString":399,"impactScore":400,"exploitabilityScore":401},2.1,"AV:L/AC:L/Au:N/C:N/I:N/A:P",2.9,3.9,{"baseScore":92,"baseSeverity":403,"vectorString":95,"impactScore":404,"exploitabilityScore":405},"MEDIUM",6.7,3.8,[407,418,427],{"ecosystem":9,"name":408,"vendor":409,"product":410,"cpe_part":411,"purl_type":9,"purl_namespace":9,"purl_name":9,"source":9,"versions":412},"debian linux","debian","debian_linux","o",[413,416],{"version":414,"is_range":88,"range_type":415,"version_start":9,"version_start_type":9,"version_end":9,"version_end_type":9,"fixed_in":9},"9.0","cpe",{"version":417,"is_range":88,"range_type":415,"version_start":9,"version_start_type":9,"version_end":9,"version_end_type":9,"fixed_in":9},"10.0",{"ecosystem":9,"name":419,"vendor":419,"product":419,"cpe_part":420,"purl_type":9,"purl_namespace":9,"purl_name":9,"source":9,"versions":421},"qemu","a",[422],{"version":423,"is_range":424,"range_type":415,"version_start":9,"version_start_type":9,"version_end":425,"version_end_type":426,"fixed_in":9},"lte4.2.0",true,"4.2.0","including",{"ecosystem":9,"name":428,"vendor":429,"product":430,"cpe_part":411,"purl_type":9,"purl_namespace":9,"purl_name":9,"source":9,"versions":431},"enterprise linux","redhat","enterprise_linux",[432],{"version":433,"is_range":88,"range_type":415,"version_start":9,"version_start_type":9,"version_end":9,"version_end_type":9,"fixed_in":9},"8.0"]