CVE-2022-30556
httpd: mod_lua: Information disclosure with websockets
Severity
LowRed Hat Product Security
CVSS 3.1
Review impact separately from score.
Published · June 8, 2022
Updated · June 28, 2026
Description
A flaw was found in the mod_lua module of httpd. The data returned by the wsread function may point past the end of the storage allocated for the buffer, resulting in information disclosure.
Statement
httpd as shipped with Red Hat Enterprise Linux 6, is not affected by this flaw because it does not ship mod_lua. Red Hat Enterprise Linux 7 is not affected by this flaw because the wsread function is not available.
CVSS score applicability
The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.
Mitigation
Disabling mod_lua and restarting httpd will mitigate this flaw.
CVSS / CWE
CVSS 3.1 · 7.5CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
CWE-200 · Exposure of Sensitive Information to an Unauthorized Actor