CVE-2022-30556
High
Information Disclosure in mod_lua with websockets
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.
Exploit probability
5.0%
Published
June 8, 2022
Required by
Not available
Last source change
August 12, 2026
02 / AFFECTED SOFTWARE
Affected packages
1 explicit affected versions
03 / CONNECTIONS
Connected vulnerabilities
04 / EVIDENCE
Source records
Open Source Vulnerabilities
CVE-2022-30556
View original source
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.
Open Source Vulnerabilities
BIT-apache-2022-30556
View original source
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.
05 / REFERENCES
Further evidence
- http://www.openwall.com/lists/oss-security/2022/06/08/7
- https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/30xxx/CVE-2022-30556.json
- https://httpd.apache.org/security/vulnerabilities_24.html
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/7QUGG2QZWHTITMABFLVXA4DNYUOTPWYQ/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/YPY2BLEVJWFH34AX77ZJPLD2OOBYR6ND/
- https://nvd.nist.gov/vuln/detail/CVE-2022-30556
- https://security.gentoo.org/glsa/202208-20
- https://security.netapp.com/advisory/ntap-20220624-0005/