What’s Vulnerable › Vulnerabilities

CVE-2022-22719: mod_lua Use of uninitialized value of in r:parsebody

• Severity: high (CVSS 7.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 69.1% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2022-03-14 · updated 2026-06-17
• Weakness: CWE-665

Description

A carefully crafted request body can cause a read to a random memory area which could cause the process to crash. This issue affects Apache HTTP Server 2.4.52 and earlier.

Affected products

• Apache HTTP Server: through 2.4.52
• macOS: 10.15.7, 10.15.7-security_update_2020-001, 10.15.7-security_update_2021-001, 10.15.7-security_update_2021-002, 10.15.7-security_update_2021-003, 10.15.7-security_update_2021-004 (+7)
• Apple macOS: before 10.15.7; from 11.0 before 11.6.6; from 12.0.0 before 12.4 — fixed in 10.15.7, 11.6.6, 12.4
• Debian Linux: 9.0
• Fedoraproject Fedora: 34, 35, 36
• Oracle Corporation Oracle HTTP Server: 12.2.1.3.0, 12.2.1.4.0
• Oracle Corporation Oracle ZFS Storage Appliance Kit: 8.8

How to fix

Upgrade to a fixed version: Apple macOS 10.15.7, 11.6.6, 12.4. Check the vendor advisory for mitigations.

References

• http://seclists.org/fulldisclosure/2022/May/33
• http://seclists.org/fulldisclosure/2022/May/35
• http://seclists.org/fulldisclosure/2022/May/38
• http://www.openwall.com/lists/oss-security/2022/03/14/4
• https://httpd.apache.org/security/vulnerabilities_24.html
• https://lists.debian.org/debian-lts-announce/2022/03/msg00033.html
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/RGWILBORT67SHMSLYSQZG2NMXGCMPUZO/
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/X73C35MMMZGBVPQQCH7LQZUMYZNQA5FO/
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/Z7H26WJ6TPKNWV3QKY4BHKUKQVUTZJTD/
• https://security.gentoo.org/glsa/202208-20
• https://security.netapp.com/advisory/ntap-20220321-0001/
• https://support.apple.com/kb/HT213255

Get alerted when CVE-2022-22719 or the next vulnerability affects your stack