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CVE-2018-1000518

HIGH
7.5
CVSS Score
Published: June 26, 2018 at 04:00 PM UTC
Updated: June 17, 2026 at 01:32 AM UTC
1 product affected across 1 vendorWebsockets

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Severity
HIGH7.5
Exploit prediction
EPSS 2%

Description

aaugustin websockets version 4 contains a CWE-409: Improper Handling of Highly Compressed Data (Data Amplification) vulnerability in Servers and clients, unless configured with compression=None that can result in Denial of Service by memory exhaustion. This attack appear to be exploitable via Sending a specially crafted frame on an established connection. This vulnerability appears to have been fixed in 5.

Affected

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

Remediation

No guide yet

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

Patch and advisory references

References (1)

x_refsource_MISCExploitPatchThird Party Advisory
Source: [email protected]
https://github.com/aaugustin/websockets/pull/407

CVSS

7.5HIGH[email protected]
Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-400

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