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01 Record

CVE-2018-12541

In version from 3.0.0 to 3.5.3 of Eclipse Vert.x, the WebSocket HTTP upgrade implementation buffers the full http request before doing the handshake, holding the entire request body in memory. There

UnratedPUBLISHEDCNA: eclipse
CNA base scoreUnratedNo CNA CVSS vector
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02 Description

In version from 3.0.0 to 3.5.3 of Eclipse Vert.x, the WebSocket HTTP upgrade implementation buffers the full http request before doing the handshake, holding the entire request body in memory. There

03 Exploitation and scoring

Exploitation
Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
SSVC decision
Not assessed by CISA
EPSS probability
2.65% probability of exploitation activity in the next 30 days.
EPSS percentile
Equal to or higher than the score of 85.3% of scored records. A rank, not a probability.
NVD base score
6.5 (CVSS v3.x), scored by the NVD independently of the CNA.
NVD CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
NVD analysis status
Modified. NVD last modified this record on 2026-06-17.
Red Hat severity
Moderate. Red Hat's rating for its own products, not a CVSS rating.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

04 Metadata

Published
2018-10-10 20:00Z8 YR AGO
Last updated
2024-08-05 08:38Z2 YR AGO
Reserved
2018-06-18
Assigning CNA
eclipse
Record state
PUBLISHED
Severity
Not rated by the issuing CNA
CNA CVSS vector
Not published by the issuing CNA
Weaknesses
  • CWE-789Memory Allocation with Excessive Size ValueVariant
  • CWE-119Improper Restriction of Operations within the Bounds of a Memory BufferClass
  • CWE-770Allocation of Resources Without Limits or ThrottlingBase
Data version
5.1
Document digest
2c100ce3364bffa1632235cb51ad15eec2f65251eba02dcbd6bbc2226c371fa1

05 Affected products

VendorProductVersionsPlatforms
The Eclipse FoundationEclipse Vert.x3.0 to < unspecified, <= 3.5.3—

06 References