Vulnerability Details 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).
Exploit prediction scoring system (EPSS) score
EPSS Score 0.005
EPSS Ranking 65.4%
CVSS Severity
CVSS v3 Score 9.8
CVSS v2 Score 7.5
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
Products affected by CVE-2021-36088
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cpe:2.3:a:treasuredata:fluent_bit:1.7.0
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cpe:2.3:a:treasuredata:fluent_bit:1.7.1
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cpe:2.3:a:treasuredata:fluent_bit:1.7.2
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cpe:2.3:a:treasuredata:fluent_bit:1.7.3
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cpe:2.3:a:treasuredata:fluent_bit:1.7.4