What’s Vulnerable › Vulnerabilities

CVE-2018-19792

• Severity: medium (CVSS 6.7 v3.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.4% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2018-12-03 · updated 2026-06-17
• Weakness: CWE-119

Description

The server in LiteSpeed OpenLiteSpeed before 1.5.0 RC6 allows local users to cause a denial of service (buffer overflow) or possibly have unspecified other impact by creating a symlink through which the openlitespeed program can be invoked with a long command name (involving ../ characters), which is mishandled in the LshttpdMain::getServerRootFromExecutablePath function.

Affected products

• LiteSpeed Technologies OpenLiteSpeed: through 1.4.41; 1.5.0-rc1, 1.5.0-rc2, 1.5.0-rc3, 1.5.0-rc4, 1.5.0-rc5

References

• https://github.com/litespeedtech/openlitespeed/issues/117
• https://github.com/litespeedtech/openlitespeed/issues/117

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