{"id":"CVE-2026-82820","url":"https://www.cyber-defence.io/tools/cve/CVE-2026-82820","generatedAt":"2026-10-28T07:26:01.263Z","title":"A vulnerability was found in FLVMeta up to 1.2.2.","description":"A vulnerability was found in FLVMeta up to 1.2.2. Affected is the function amf_string_new of the file src/amf.c of the component AMF String Processing. The manipulation of the argument length results in heap-based buffer overflow. The attack can be launched remotely. The exploit has been made public and could be used. The patch is identified as f412a33b9a84c2d1a9dee145a868feddbf64879e. A patch should be applied to remediate this issue. The project maintainer doubts the security impact: \"While I acknowledged the bugs and provided fixes, I have yet to see any way to exploit these alleged vulnerabilities.\"","published":"2026-08-31T19:17:23.000Z","lastModified":"2026-09-01T19:17:29.000Z","status":"Deferred","sourceIdentifier":"cna@vuldb.com","cvss":{"version":"4.0","score":2.1,"severity":"LOW","vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/M"},"cwe":["CWE-119","CWE-122"],"affected":[],"epss":{"score":0.00628,"percentile":0.49863,"date":"2026-10-27","history":[]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"low","text":"Lower severity and a low EPSS score (0.63%). Track it; it rarely justifies an emergency change on its own."},"changes":[],"references":[{"url":"https://github.com/noirotm/flvmeta/commit/f412a33b9a84c2d1a9dee145a868feddbf64879e","source":"cna@vuldb.com"},{"url":"https://github.com/noirotm/flvmeta/issues/27","source":"cna@vuldb.com"},{"url":"https://github.com/raind20001020/Poc/blob/main/flvmeta_heap_buffer_overflow","source":"cna@vuldb.com"},{"url":"https://vuldb.com/cve/CVE-2026-82820","source":"cna@vuldb.com"},{"url":"https://vuldb.com/submit/876596","source":"cna@vuldb.com"},{"url":"https://vuldb.com/vuln/397243","source":"cna@vuldb.com"},{"url":"https://vuldb.com/vuln/397243/cti","source":"cna@vuldb.com"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-82820","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}