{"id":"CVE-2024-4323","url":"https://www.cyber-defence.io/tools/cve/CVE-2024-4323","generatedAt":"2026-11-04T21:57:15.552Z","title":"A memory corruption vulnerability in Fluent Bit versions 2.0.7 thru 3.0.3.","description":"A memory corruption vulnerability in Fluent Bit versions 2.0.7 thru 3.0.3. This issue lies in the embedded http server’s parsing of trace requests and may result in denial of service conditions, information disclosure, or remote code execution.","published":"2024-05-20T12:15:09.000Z","lastModified":"2026-06-17T08:01:40.000Z","status":"Analyzed","sourceIdentifier":"vulnreport@tenable.com","cvss":{"version":"3.1","score":9.8,"severity":"CRITICAL","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"},"cwe":["CWE-122","CWE-787"],"affected":["treasuredata/fluent bit"],"epss":{"score":0.27043,"percentile":0.98047,"date":"2026-11-03","history":[]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"urgent","text":"EPSS puts the probability of exploitation in the next 30 days at 27.0%, higher than 98% of all known CVEs. Patch or mitigate before the next change window."},"changes":[],"references":[{"url":"https://github.com/fluent/fluent-bit/commit/9311b43a258352797af40749ab31a63c32acfd04","tags":["Patch"],"source":"vulnreport@tenable.com"},{"url":"https://tenable.com/security/research/tra-2024-17","tags":["Patch","Third Party Advisory"],"source":"vulnreport@tenable.com"},{"url":"https://github.com/fluent/fluent-bit/commit/9311b43a258352797af40749ab31a63c32acfd04","tags":["Patch"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://tenable.com/security/research/tra-2024-17","tags":["Patch","Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://www.vicarius.io/vsociety/posts/linguistic-lumberjack-memory-corruption-in-fluent-bit-cve-2024-4323","tags":["Exploit","Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2024-4323","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."}