[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"repo-stars":3,"vuln-CVE-2020-27821":6},{"stargazers_count":4,"fetched_at":5},7,"2026-06-04T20:55:29.923Z",{"id":7,"descriptions":8,"cisa":9,"weaknesses":10,"exploits":20,"aliases":21,"duplicate_of":9,"upstream":22,"downstream":23,"duplicates":50,"related":51,"reserved_at":9,"published_at":59,"modified_at":60,"state":61,"summary":62,"references_raw":71,"kevs":96,"epss":97,"epss_history":100,"metrics":365,"affected":376},"CVE-2020-27821","A flaw was found in the memory management API of QEMU during the initialization of a memory region cache. This issue could lead to an out-of-bounds write access to the MSI-X table while performing MMIO operations. A guest user may abuse this flaw to crash the QEMU process on the host, resulting in a denial of service. This flaw affects QEMU versions prior to 5.2.0.",null,[11],{"_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",[],[],[],[],[24,26,28,30,32,34,36,38,40,42,44,46,48],{"_key":25},"OPENSUSE-SU-2021:1942-1",{"_key":27},"OPENSUSE-SU-2024:11287-1",{"_key":29},"SUSE-SU-2021:1242-1",{"_key":31},"SUSE-SU-2021:1243-1",{"_key":33},"SUSE-SU-2021:1245-1",{"_key":35},"SUSE-SU-2021:1942-1",{"_key":37},"UBUNTU-CVE-2020-27821",{"_key":39},"OPENSUSE-SU-2021:0600-1",{"_key":41},"RHBA-2021:0639",{"_key":43},"DLA-3099-1",{"_key":45},"RHSA-2021:1762",{"_key":47},"USN-4725-1",{"_key":49},"DEBIAN-CVE-2020-27821",[],[52,53,54,55,56,57,58],{"_key":25},{"_key":27},{"_key":29},{"_key":31},{"_key":33},{"_key":35},{"_key":39},"2020-12-08T21:33:02.000Z","2024-08-04T16:25:42.445Z","Modified",{"cisa_kev":63,"cisa_ransomware":63,"cisa_vendor":9,"epss_severity":64,"epss_score":65,"severity":66,"severity_score":67,"severity_version":68,"severity_source":69,"severity_vector":70,"severity_status":61},false,"low",0.00036,"medium",6,"v3.1","nvd","CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:N/I:N/A:H",[72,81,87,92],{"url":73,"sources":74,"tags":76},"https://bugzilla.redhat.com/show_bug.cgi?id=1902651",[75,69],"cve.org",[77,78,79,80],"X Refsource MISC","Issue Tracking","Patch","Third Party Advisory",{"url":82,"sources":83,"tags":84},"http://www.openwall.com/lists/oss-security/2020/12/16/6",[75,69],[85,86,80],"Mailing List","X Refsource MLIST",{"url":88,"sources":89,"tags":90},"https://security.netapp.com/advisory/ntap-20210115-0006/",[75,69],[91,80],"X Refsource CONFIRM",{"url":93,"sources":94,"tags":95},"https://lists.debian.org/debian-lts-announce/2022/09/msg00008.html",[75,69],[85,86,80],[],{"date":98,"score":65,"percentile":99},"2026-06-04",0.11118,[101,105,108,111,114,117,120,123,126,129,132,135,138,141,144,148,151,154,157,160,163,166,169,172,175,177,180,183,186,189,192,195,198,201,204,207,210,213,216,219,222,225,228,231,234,237,240,243,246,249,252,255,258,261,264,267,270,273,276,279,282,285,288,291,294,297,300,303,306,308,311,314,316,318,321,324,327,330,332,335,337,339,342,345,348,351,354,357,359,362],{"date":102,"score":103,"percentile":104},"2025-11-04",0.00035,0.09404,{"date":106,"score":103,"percentile":107},"2025-11-05",0.09423,{"date":109,"score":103,"percentile":110},"2025-11-06",0.09544,{"date":112,"score":103,"percentile":113},"2025-11-07",0.09566,{"date":115,"score":103,"percentile":116},"2025-11-08",0.09579,{"date":118,"score":103,"percentile":119},"2025-11-09",0.09549,{"date":121,"score":103,"percentile":122},"2025-11-10",0.09507,{"date":124,"score":103,"percentile":125},"2025-11-11",0.09524,{"date":127,"score":103,"percentile":128},"2025-11-12",0.09554,{"date":130,"score":103,"percentile":131},"2025-11-13",0.09596,{"date":133,"score":103,"percentile":134},"2025-11-14",0.09618,{"date":136,"score":103,"percentile":137},"2025-11-15",0.09633,{"date":139,"score":103,"percentile":140},"2025-11-16",0.09638,{"date":142,"score":103,"percentile":143},"2025-11-17",0.09629,{"date":145,"score":146,"percentile":147},"2025-11-18",0.0008,0.19766,{"date":149,"score":146,"percentile":150},"2025-11-19",0.19784,{"date":152,"score":146,"percentile":153},"2025-11-20",0.19762,{"date":155,"score":103,"percentile":156},"2025-11-21",0.09685,{"date":158,"score":103,"percentile":159},"2025-11-22",0.0966,{"date":161,"score":103,"percentile":162},"2025-11-23",0.09631,{"date":164,"score":103,"percentile":165},"2025-11-24",0.0961,{"date":167,"score":103,"percentile":168},"2025-11-25",0.09599,{"date":170,"score":103,"percentile":171},"2025-11-26",0.09601,{"date":173,"score":103,"percentile":174},"2025-11-27",0.09612,{"date":176,"score":103,"percentile":131},"2025-11-28",{"date":178,"score":103,"percentile":179},"2025-11-29",0.09625,{"date":181,"score":103,"percentile":182},"2025-11-30",0.09636,{"date":184,"score":103,"percentile":185},"2025-12-01",0.09682,{"date":187,"score":65,"percentile":188},"2025-12-02",0.10216,{"date":190,"score":65,"percentile":191},"2025-12-03",0.10234,{"date":193,"score":65,"percentile":194},"2025-12-04",0.10232,{"date":196,"score":65,"percentile":197},"2025-12-05",0.10275,{"date":199,"score":65,"percentile":200},"2025-12-06",0.10287,{"date":202,"score":65,"percentile":203},"2025-12-07",0.10283,{"date":205,"score":65,"percentile":206},"2025-12-08",0.10272,{"date":208,"score":65,"percentile":209},"2025-12-09",0.10321,{"date":211,"score":65,"percentile":212},"2025-12-10",0.10392,{"date":214,"score":65,"percentile":215},"2025-12-11",0.10413,{"date":217,"score":65,"percentile":218},"2025-12-12",0.10444,{"date":220,"score":65,"percentile":221},"2025-12-13",0.10445,{"date":223,"score":65,"percentile":224},"2025-12-14",0.1043,{"date":226,"score":65,"percentile":227},"2025-12-15",0.10366,{"date":229,"score":65,"percentile":230},"2025-12-16",0.10352,{"date":232,"score":65,"percentile":233},"2025-12-17",0.10428,{"date":235,"score":65,"percentile":236},"2025-12-18",0.10479,{"date":238,"score":65,"percentile":239},"2025-12-19",0.10497,{"date":241,"score":65,"percentile":242},"2025-12-20",0.1049,{"date":244,"score":65,"percentile":245},"2025-12-21",0.10474,{"date":247,"score":65,"percentile":248},"2025-12-22",0.10447,{"date":250,"score":65,"percentile":251},"2025-12-23",0.10431,{"date":253,"score":65,"percentile":254},"2025-12-24",0.10438,{"date":256,"score":65,"percentile":257},"2025-12-25",0.10521,{"date":259,"score":65,"percentile":260},"2025-12-26",0.10515,{"date":262,"score":65,"percentile":263},"2025-12-27",0.10516,{"date":265,"score":65,"percentile":266},"2025-12-28",0.10519,{"date":268,"score":65,"percentile":269},"2025-12-29",0.1048,{"date":271,"score":65,"percentile":272},"2025-12-30",0.10459,{"date":274,"score":65,"percentile":275},"2025-12-31",0.10511,{"date":277,"score":65,"percentile":278},"2026-01-01",0.10554,{"date":280,"score":65,"percentile":281},"2026-01-02",0.10551,{"date":283,"score":65,"percentile":284},"2026-01-03",0.10525,{"date":286,"score":65,"percentile":287},"2026-01-04",0.10454,{"date":289,"score":65,"percentile":290},"2026-01-05",0.10415,{"date":292,"score":65,"percentile":293},"2026-01-06",0.1041,{"date":295,"score":65,"percentile":296},"2026-01-07",0.1044,{"date":298,"score":65,"percentile":299},"2026-01-08",0.10492,{"date":301,"score":65,"percentile":302},"2026-01-09",0.10523,{"date":304,"score":65,"percentile":305},"2026-01-10",0.10539,{"date":307,"score":65,"percentile":266},"2026-01-11",{"date":309,"score":65,"percentile":310},"2026-01-12",0.10496,{"date":312,"score":65,"percentile":313},"2026-01-13",0.1046,{"date":315,"score":65,"percentile":275},"2026-01-14",{"date":317,"score":65,"percentile":284},"2026-01-15",{"date":319,"score":65,"percentile":320},"2026-01-16",0.1056,{"date":322,"score":65,"percentile":323},"2026-01-17",0.10573,{"date":325,"score":65,"percentile":326},"2026-01-18",0.10534,{"date":328,"score":65,"percentile":329},"2026-01-19",0.10483,{"date":331,"score":65,"percentile":272},"2026-01-20",{"date":333,"score":65,"percentile":334},"2026-01-21",0.10434,{"date":336,"score":65,"percentile":233},"2026-01-22",{"date":338,"score":65,"percentile":257},"2026-01-23",{"date":340,"score":65,"percentile":341},"2026-01-24",0.10574,{"date":343,"score":65,"percentile":344},"2026-01-25",0.10531,{"date":346,"score":65,"percentile":347},"2026-01-26",0.10478,{"date":349,"score":65,"percentile":350},"2026-01-27",0.10464,{"date":352,"score":65,"percentile":353},"2026-01-28",0.10441,{"date":355,"score":65,"percentile":356},"2026-01-29",0.10424,{"date":358,"score":65,"percentile":296},"2026-01-30",{"date":360,"score":65,"percentile":361},"2026-01-31",0.10457,{"date":363,"score":65,"percentile":364},"2026-02-01",0.10465,[366],{"source":69,"cvss_v2_0":367,"cvss_v3_0":9,"cvss_v3_1":372,"cvss_v4_0":9},{"baseScore":368,"baseSeverity":9,"vectorString":369,"impactScore":370,"exploitabilityScore":371},2.1,"AV:L/AC:L/Au:N/C:N/I:N/A:P",2.9,3.9,{"baseScore":67,"baseSeverity":373,"vectorString":70,"impactScore":374,"exploitabilityScore":375},"MEDIUM",6.7,3.8,[377,386],{"ecosystem":9,"name":378,"vendor":379,"product":380,"cpe_part":381,"purl_type":9,"purl_namespace":9,"purl_name":9,"source":9,"versions":382},"debian linux","debian","debian_linux","o",[383],{"version":384,"is_range":63,"range_type":385,"version_start":9,"version_start_type":9,"version_end":9,"version_end_type":9,"fixed_in":9},"10.0","cpe",{"ecosystem":9,"name":387,"vendor":387,"product":387,"cpe_part":388,"purl_type":9,"purl_namespace":9,"purl_name":9,"source":9,"versions":389},"qemu","a",[390],{"version":391,"is_range":392,"range_type":385,"version_start":9,"version_start_type":9,"version_end":393,"version_end_type":394,"fixed_in":9},"lt5.2.0",true,"5.2.0","excluding"]