Skip to main content

Fluent Bit CVE-2024-26455

HIGH
Use After Free (CWE-416)
2024-02-26 cve@mitre.org
7.5
CVSS 3.1 · Vendor: mitre
Share

Severity by source

Vendor (mitre) PRIMARY
7.5 HIGH
AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Primary rating from Vendor (mitre) · only source for this CVE.

CVSS VectorVendor: mitre

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High

Lifecycle Timeline

1
CVE Published
Feb 26, 2024 - 18:15 cve.org
HIGH 7.5

DescriptionCVE.org

fluent-bit 2.2.2 contains a Use-After-Free vulnerability in /fluent-bit/plugins/custom_calyptia/calyptia.c.

AnalysisAI

fluent-bit 2.2.2 contains a Use-After-Free vulnerability in /fluent-bit/plugins/custom_calyptia/calyptia.c. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available and no vendor patch available.

Technical ContextAI

This vulnerability is classified as Use After Free (CWE-416), which allows attackers to access freed memory to execute arbitrary code or crash the application. fluent-bit 2.2.2 contains a Use-After-Free vulnerability in /fluent-bit/plugins/custom_calyptia/calyptia.c. Affected products include: Treasuredata Fluent Bit.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Use smart pointers or garbage-collected languages. Set pointers to NULL after freeing. Enable memory sanitizers.

CVE-2024-4323 CRITICAL POC
9.8 May 20

A memory corruption vulnerability in Fluent Bit versions 2.0.7 thru 3.0.3. Rated critical severity (CVSS 9.8), this vuln

CVE-2021-36088 CRITICAL POC
9.8 Jul 01

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_pa

CVE-2024-50609 HIGH POC
7.5 Feb 18

An issue was discovered in Fluent Bit 3.1.9. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable,

CVE-2024-50608 HIGH POC
7.5 Feb 18

An issue was discovered in Fluent Bit 3.1.9. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable,

CVE-2024-23722 HIGH POC
7.5 Mar 26

In Fluent Bit 2.1.8 through 2.2.1, a NULL pointer dereference can be caused via an invalid HTTP payload with the content

CVE-2021-27186 HIGH POC
7.5 Feb 10

Fluent Bit 1.6.10 has a NULL pointer dereference when an flb_malloc return value is not validated by flb_avro.c or http_

CVE-2019-9749 HIGH POC
7.5 Mar 13

An issue was discovered in the MQTT input plugin in Fluent Bit through 1.0.4. Rated high severity (CVSS 7.5), this vulne

CVE-2025-29478 MEDIUM POC
5.5 Apr 07

An issue in fluent-bit v.3.7.2 allows a local attacker to cause a denial of service via the cfl_list_size in cfl_list.h:

CVE-2025-12978 MEDIUM
5.4 Nov 24

Fluent Bit in_http, in_splunk, and in_elasticsearch input plugins contain a flaw in the tag_key validation logic that fa

CVE-2025-12977 CRITICAL
9.1 Nov 24

Fluent Bit in_http, in_splunk, and in_elasticsearch input plugins fail to sanitize tag_key inputs. Rated critical severi

CVE-2025-12972 MEDIUM
5.3 Nov 24

Fluent Bit out_file plugin does not properly sanitize tag values when deriving output file names. Rated medium severity

CVE-2025-12970 HIGH
8.8 Nov 24

The extract_name function in Fluent Bit in_docker input plugin copies container names into a fixed size stack buffer wit

Share

CVE-2024-26455 vulnerability details – vuln.today

This site uses cookies essential for authentication and security. No tracking or analytics cookies are used. Privacy Policy