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CVE-2024-24989

NGINX HTTP/3 QUIC vulnerability

HIGH

7.5

CVSS Score

Published: February 14, 2024 at 04:30 PM UTC

Updated: June 17, 2026 at 07:15 AM UTC

2 products affected across 1 vendorNGINX PlusNGINX Open Source

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Severity

HIGH7.5

Exploit prediction

EPSS 1%

SSVC

No known exploit

Description

When NGINX Plus or NGINX OSS are configured to use the HTTP/3 QUIC module, undisclosed requests can cause NGINX worker processes to terminate. Note: The HTTP/3 QUIC module is not enabled by default and is considered experimental. For more information, refer to Support for QUIC and HTTP/3 https://nginx.org/en/docs/quic.html . NOTE: Software versions which have reached End of Technical Support (EoTS) are not evaluated

Affected

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

NGINX Open Source · F5

95%

1.25.3 ≤ v < 1.25.41.25.3

Affected range stops below 1.25.4, so it looks safe — our inference, not a vendor statement

NGINX Plus · F5

95%

R31 ≤ v < R31 P1R31r31

Affected range stops below R31 P1, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

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

Patch and advisory references

https://my.f5.com/manage/s/article/K000138444

References (2)

Mailing List

Source: [email protected]

http://www.openwall.com/lists/oss-security/2024/05/30/4

Vendor Advisory

Source: [email protected]

https://my.f5.com/manage/s/article/K000138444

SSVC — Action Prioritization

SSVCNo known exploitAutomatablePartial impact

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

CVSS

7.5HIGHf5

Attack Vector: NETWORK
Complexity: LOW
Privileges: NONE
User Interaction: NONE
Scope: UNCHANGED
Confidentiality: NONE
Integrity: NONE
Availability: HIGH

Vector?

Quick Info

StatusMODIFIED

CWE

CWE-476

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