CVE-2022-30556
Information Disclosure in mod_lua with websockets
7.5
HIGH
CVSS 3.1
EPSS 0.49%
Description
Apache HTTP Server 2.4.53 and earlier may return lengths to applications calling r:wsread() that point past the end of the storage allocated for the buffer.
How to fix CVE-2022-30556
To remediate CVE-2022-30556, upgrade the affected package to a fixed version below.
- Alpine/apache2—upgrade to 2.4.54-r0 or later
- —upgrade to 2.4.54 or later
- —upgrade to 2.4.54-1~deb11u1 or later
Is CVE-2022-30556 being exploited?
Low — EPSS is 0.5%, meaning exploitation activity has not been observed at scale.
Affected packages (3)
- from 0, < 2.4.54-r0
- from 0, < 2.4.54
- from 0, < 2.4.54-1~deb11u1
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | HIGH7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N |