CVE-2018-6347
HIGH
7.5
CVSS Score
Published: December 31, 2018 at 10:00 PM UTC
Updated: June 17, 2026 at 02:01 AM UTC
1 product affected across 1 vendorProxygen
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Severity
HIGH7.5
Exploit prediction
EPSS 1%
SSVC
No known exploit
Description
An issue in the Proxygen handling of HTTP2 parsing of headers/trailers can lead to a denial-of-service attack. This affects Proxygen prior to v2018.12.31.00.
Affected
Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.
Affected range stops below 2018.12.31.00, 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 (1)
x_refsource_MISCPatchThird Party Advisory
Source: [email protected]
https://github.com/facebook/proxygen/commit/223e0aa6bc7590e86af1e917185a2e0efe160711SSVC — Action Prioritization
SSVCNo known exploitAutomatablePartial 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
StatusMODIFIED
CWE
CWE-400CWE-20
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