[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"repo-stars":3,"vuln-DEBIAN-CVE-2021-3507":6},{"stargazers_count":4,"fetched_at":5},7,"2026-06-04T20:55:29.923Z",{"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":40},"DEBIAN-CVE-2021-3507","A heap buffer overflow was found in the floppy disk emulator of QEMU up to 6.0.0 (including). It could occur in fdctrl_transfer_handler() in hw/block/fdc.c while processing DMA read data transfers from the floppy drive to the guest system. A privileged guest user could use this flaw to crash the QEMU process on the host resulting in DoS scenario, or potential information leakage from the host memory.",null,[],[],[],[14],{"_key":15},"CVE-2021-3507",[17],{"_key":18},"DLA-3099-1",[],[],"2021-05-06T16:15:07.547Z","2026-04-28T20:22:37.634693Z",{"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-2021-3507",[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":4,"exploitabilityScore":39},6.1,"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:L",4.6,[41],{"ecosystem":42,"name":43,"vendor":44,"product":43,"cpe_part":9,"purl_type":45,"purl_namespace":44,"purl_name":43,"source":9,"versions":46},"Debian","qemu","debian","deb",[47,53,56,57],{"version":48,"is_range":49,"range_type":50,"version_start":9,"version_start_type":9,"version_end":51,"version_end_type":52,"fixed_in":9},"lt1:5_2+dfsg_11+deb11u3",true,"ecosystem","1:5.2+dfsg-11+deb11u3","excluding",{"version":54,"is_range":49,"range_type":50,"version_start":9,"version_start_type":9,"version_end":55,"version_end_type":52,"fixed_in":9},"lt1:7_1+dfsg_1","1:7.1+dfsg-1",{"version":54,"is_range":49,"range_type":50,"version_start":9,"version_start_type":9,"version_end":55,"version_end_type":52,"fixed_in":9},{"version":54,"is_range":49,"range_type":50,"version_start":9,"version_start_type":9,"version_end":55,"version_end_type":52,"fixed_in":9}]