CVE-2024-35200
NGINX HTTP/3 QUIC vulnerability
MEDIUM
5.3
CVSS Score
Published: May 29, 2024 at 04:02 PM UTC
Updated: June 17, 2026 at 07:34 AM UTC
4 products affected across 2 vendorsFedoraNGINXNGINX Plus
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Severity
MEDIUM5.3
Exploit prediction
EPSS 0.9%
SSVC
No known exploit
Description
When NGINX Plus or NGINX OSS are configured to use the HTTP/3 QUIC module, undisclosed HTTP/3 requests can cause NGINX worker processes to terminate.
Affected
Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.
1.25.0 ≤ v < 1.26.11.25.0
Affected range stops below 1.26.1, so it looks safe — our inference, not a vendor statement
Affected range stops below R32, so it looks safe — our inference, not a vendor statement
Remediation
No guide yetNo remediation guidance has been written for this CVE yet. What the record does show:
Patch and advisory references
References (4)
SSVC — Action Prioritization
SSVCNo known exploitAutomatablePartial impact
SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.
CVSS
5.3MEDIUMf5
- Attack Vector
- NETWORK
- Complexity
- LOW
- Privileges
- NONE
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality
- NONE
- Integrity
- NONE
- Availability
- LOW
Vector?
Quick Info
StatusANALYZED
CWE
CWE-476
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