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).

Vulnerability category: Memory Corruption

Published 2021-07-01 03:15:09

Updated 2021-07-08 18:33:53

Source MITRE

View at NVD, CVE.org

Exploit prediction scoring system (EPSS) score for CVE-2021-36088

Probability of exploitation activity in the next 30 days: 0.38%

Percentile, the proportion of vulnerabilities that are scored at or less: ~ 70 % EPSS Score History EPSS FAQ

Base Score	Base Severity	CVSS Vector	Exploitability Score	Impact Score	Source
7.5	HIGH	AV:N/AC:L/Au:N/C:P/I:P/A:P	10.0	6.4	[email protected]
Access Vector: Network Access Complexity: Low Authentication: None Confidentiality Impact: Partial Integrity Impact: Partial Availability Impact: Partial
9.8	CRITICAL	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H	3.9	5.9	[email protected]
Attack Vector: Network Attack Complexity: Low Privileges Required: None User Interaction: None Scope: Unchanged Confidentiality: High Integrity: High Availability: High

CWE-415 Double Free

The product calls free() twice on the same memory address, potentially leading to modification of unexpected memory locations.

Assigned by: [email protected] (Primary)

Treasuredata » Fluent Bit
Versions from including (>=) 1.7.0 and up to, including, (<=) 1.7.4
cpe:2.3:a:treasuredata:fluent_bit:*:*:*:*:*:*:*:*
Matching versions