CVE-2018-19791
- Source
- https://cve.org/CVERecord?id=CVE-2018-19791
- Import Source
- https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2018-19791.json
- JSON Data
- https://api.osv.dev/v1/vulns/CVE-2018-19791
- Published
- 2018-12-03T06:29:00.400Z
- Modified
- 2026-04-10T04:09:53.442998Z
- Severity
-
- 6.5 (Medium) CVSS_V3 - CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H CVSS Calculator
- Summary
- [none]
- Details
-
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.
- References
Affected packages
Git / github.com/litespeedtech/openlitespeed
Affected ranges
- Type
- GIT
- Repo
- https://github.com/litespeedtech/openlitespeed
- Events
-
Introduced0 Unknown introduced commit / All previous commits are affectedFixedIntroduced0 Unknown introduced commit / All previous commits are affectedLast affectedIntroduced0 Unknown introduced commit / All previous commits are affectedLast affectedIntroduced0 Unknown introduced commit / All previous commits are affectedLast affectedIntroduced0 Unknown introduced commit / All previous commits are affectedLast affectedIntroduced0 Unknown introduced commit / All previous commits are affectedLast affectedIntroduced0 Unknown introduced commit / All previous commits are affectedLast affected
- Database specific
{ "versions": [ { "introduced": "0" }, { "fixed": "1.5.0" }, { "introduced": "0" }, { "last_affected": "1.5.0-NA" }, { "introduced": "0" }, { "last_affected": "1.5.0-rc1" }, { "introduced": "0" }, { "last_affected": "1.5.0-rc2" }, { "introduced": "0" }, { "last_affected": "1.5.0-rc3" }, { "introduced": "0" }, { "last_affected": "1.5.0-rc4" }, { "introduced": "0" }, { "last_affected": "1.5.0-rc5" } ] }