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MEDIUM

The server in LiteSpeed OpenLiteSpeed before 1.5.0 RC6 does not correctly handle requests for byte sequences, allowing an attacker to amplify the response size by requesting the entire response body repeatedly, as demonstrated by an HTTP Range header value beginning with the "bytes=0-,0-" substring

Published Dec 3, 2018

Description

The server in LiteSpeed OpenLiteSpeed before 1.5.0 RC6 does not correctly handle requests for byte sequences, allowing an attacker to amplify the response size by requesting the entire response body repeatedly, as demonstrated by an HTTP Range header value beginning with the "bytes=0-,0-" substring.

Affected products

Remediation

No remediation recorded yet.

Metrics

Weaknesses (1)

CWE-20

Improper Input Validation

References (1)

Change history (0)

No recorded changes yet.

Sources
CVE.org / MITRE
Status PUBLISHED
Assigner mitre
Published Dec 3, 2018
Updated Aug 5, 2024
Reserved Dec 3, 2018
Link CVE-2018-19791
CISA Vulnrichment
Updated n/a
NVD
Status Modified
Modified Jun 17, 2026
Link CVE-2018-19791
Red Hat
Severity n/a
Public date n/a
Links CVE-2018-19791