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Vulnerability details: VCID-xfm9-e5nr-wyat
Vulnerability ID VCID-xfm9-e5nr-wyat
Aliases CVE-2022-22721
Summary If LimitXMLRequestBody is set to allow request bodies larger than 350MB (defaults to 1M) on 32 bit systems an integer overflow happens which later causes out of bounds writes. This issue affects Apache HTTP Server 2.4.52 and earlier.
Status Published
Exploitability 0.5
Weighted Severity 6.7
Risk 3.4
Affected and Fixed Packages Package Details
Weaknesses (2)
CWE-190 Integer Overflow or Wraparound
CWE-787 Out-of-bounds Write
System Score Found at
cvssv3 7.4 https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2022-22721.json
epss 0.13159 https://api.first.org/data/v1/epss?cve=CVE-2022-22721
epss 0.13159 https://api.first.org/data/v1/epss?cve=CVE-2022-22721
epss 0.13159 https://api.first.org/data/v1/epss?cve=CVE-2022-22721
epss 0.13159 https://api.first.org/data/v1/epss?cve=CVE-2022-22721
epss 0.13159 https://api.first.org/data/v1/epss?cve=CVE-2022-22721
epss 0.13159 https://api.first.org/data/v1/epss?cve=CVE-2022-22721
epss 0.13224 https://api.first.org/data/v1/epss?cve=CVE-2022-22721
epss 0.13224 https://api.first.org/data/v1/epss?cve=CVE-2022-22721
epss 0.13224 https://api.first.org/data/v1/epss?cve=CVE-2022-22721
cvssv3.1 7.4 https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
apache_httpd low https://httpd.apache.org/security/json/CVE-2022-22721.json
Reference id Reference type URL
https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2022-22721.json
https://api.first.org/data/v1/epss?cve=CVE-2022-22721
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-22721
https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
2064320 https://bugzilla.redhat.com/show_bug.cgi?id=2064320
CVE-2022-22721 https://httpd.apache.org/security/json/CVE-2022-22721.json
GLSA-202208-20 https://security.gentoo.org/glsa/202208-20
RHSA-2022:6753 https://access.redhat.com/errata/RHSA-2022:6753
RHSA-2022:7647 https://access.redhat.com/errata/RHSA-2022:7647
RHSA-2022:8067 https://access.redhat.com/errata/RHSA-2022:8067
RHSA-2022:8840 https://access.redhat.com/errata/RHSA-2022:8840
RHSA-2022:8841 https://access.redhat.com/errata/RHSA-2022:8841
USN-5333-1 https://usn.ubuntu.com/5333-1/
USN-5333-2 https://usn.ubuntu.com/5333-2/
No exploits are available.
Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:H Found at https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2022-22721.json
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:H Found at https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Exploit Prediction Scoring System (EPSS)
Percentile 0.94093
EPSS Score 0.13159
Published At April 2, 2026, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2026-04-01T12:36:23.317205+00:00 Apache HTTPD Importer Import https://httpd.apache.org/security/json/CVE-2022-22721.json 38.0.0