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CVE-2024-23722

HIGH
7.5
CVSS Score
Published: March 26, 2024 at 12:00 AM UTC
Updated: June 17, 2026 at 07:13 AM UTC
2 products affected across 2 vendorsFluent BitFluent Bit

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Severity
HIGH7.5
Exploit prediction
EPSS 0.9%
SSVC
PoC

Description

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 type of x-www-form-urlencoded. It crashes and does not restart. This could result in logs not being delivered properly.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Fluent Bit· Treasuredata
95%
2.1.8 ≤ v < 2.2.2
Affected range stops below 2.2.2, so it looks safe — our inference, not a vendor statement
Fluent Bit· Fluent
60%
2.1.8 ≤ v ≤ 2.2.12.1.8

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

References (2)

Patch
Source: [email protected]
https://github.com/fluent/fluent-bit/compare/v2.2.1...v2.2.2
ExploitThird Party Advisory
Source: [email protected]
https://medium.com/%40adurands82/fluent-bit-dos-vulnerability-cve-2024-23722-4e3e74af9d00

SSVC — Action Prioritization

SSVCPoCAutomatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

7.5HIGHCISA-ADP
Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH
Vector?

Quick Info

StatusANALYZED
CWE
CWE-476

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