{"id":"BIT-fluent-bit-2020-35963","details":"flb_gzip_compress in flb_gzip.c in Fluent Bit before 1.6.4 has an out-of-bounds write because it does not use the correct calculation of the maximum gzip data-size expansion.","aliases":["CVE-2020-35963"],"modified":"2026-09-08T08:47:09.757559513Z","published":"2024-03-06T10:52:31.995Z","database_specific":{"severity":"High","cpes":["cpe:2.3:a:treasuredata:fluent_bit:*:*:*:*:*:*:*:*"]},"references":[{"type":"ADVISORY","url":"https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=27261"},{"type":"ADVISORY","url":"https://fluentbit.io/announcements/v1.6.4/"},{"type":"ADVISORY","url":"https://github.com/fluent/fluent-bit/commit/cadff53c093210404aed01c4cf586adb8caa07af"},{"type":"WEB","url":"https://nvd.nist.gov/vuln/detail/CVE-2020-35963"}],"affected":[{"package":{"name":"fluent-bit","ecosystem":"Bitnami","purl":"pkg:bitnami/fluent-bit"},"ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"fixed":"1.6.4"}]}],"database_specific":{"source":"https://github.com/bitnami/vulndb/tree/main/data/fluent-bit/BIT-fluent-bit-2020-35963.json"},"severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H"}]}],"schema_version":"1.9.0"}