by Kastro
Paper/Archive/CVE-2021-36088

CVE-2021-36088

treasuredata fluent_bit — Fluent Bit (aka fluent-bit) 1.7.0 through 1.7.4 has a double free in flb_free (called from flb_parser_json_do and flb_parser_do).

EPSS 2%CVSS 9.8
critical.is priorityof 100
46
CVSS 9.8 (ADP, NVD agree)9.8 / 10 × 3029.4Not in CISA KEV+300.0EPSS percentile 83.9.839 × 2016.8No public exploit+100.0SSVC exploitation: none+100.0
Description · from the CVE record

Fluent Bit (aka fluent-bit) 1.7.0 through 1.7.4 has a double free in flb_free (called from flb_parser_json_do and flb_parser_do).

Affected

ProductAffectedFixed inSource
n/an/a–CNA
fluent_bit1.7.0 – 1.7.4–CISA-ADP

Scores by source

CISA ADP9.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
NVD9.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CISA ADPSSVCExploitation: none · Automatable: yes · Technical impact: total

References

refbugs.chromium.org/p/oss-fuzz/issues/detail?id=33750refgithub.com/google/oss-fuzz-vulns/blob/main/vulns/fluent-bit/OSV-2021-702.yamlrefgithub.com/fluent/fluent-bit/commit/22346a74c07ceb90296be872be2d53eb92252a54refgithub.com/fluent/fluent-bit/pull/3453