CVE-2021-36088

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).
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
9.8 CRITICAL
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
mitreCNA
---
---
CISA-ADPADP
9.8 CRITICAL
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVEADP
---
---
Base Score
CVSS 3.x
EPSS Score
Percentile: 57%
VendorProductVersion
treasuredatafluent_bit
1.7.0 ≤
𝑥
≤ 1.7.4
𝑥
= Vulnerable software versions
Common Weakness Enumeration
References
https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=33750
https://github.com/fluent/fluent-bit/commit/22346a74c07ceb90296be872be2d53eb92252a54
https://github.com/fluent/fluent-bit/pull/3453
https://github.com/google/oss-fuzz-vulns/blob/main/vulns/fluent-bit/OSV-2021-702.yaml
https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=33750
https://github.com/fluent/fluent-bit/commit/22346a74c07ceb90296be872be2d53eb92252a54
https://github.com/fluent/fluent-bit/pull/3453
https://github.com/google/oss-fuzz-vulns/blob/main/vulns/fluent-bit/OSV-2021-702.yaml