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Vulnerability details: VCID-g55m-t4s1-nfhv
Vulnerability ID VCID-g55m-t4s1-nfhv
Aliases CVE-2022-23943
Summary Out-of-bounds Write vulnerability in mod_sed of Apache HTTP Server allows an attacker to overwrite heap memory with possibly attacker provided data. This issue affects Apache HTTP Server 2.4 version 2.4.52 and prior versions.
Status Published
Exploitability 0.5
Weighted Severity 7.3
Risk 3.6
Affected and Fixed Packages Package Details
Weaknesses (2)
CWE-787 Out-of-bounds Write
CWE-190 Integer Overflow or Wraparound
System Score Found at
cvssv3 8.1 https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2022-23943.json
epss 0.60552 https://api.first.org/data/v1/epss?cve=CVE-2022-23943
epss 0.60552 https://api.first.org/data/v1/epss?cve=CVE-2022-23943
epss 0.60552 https://api.first.org/data/v1/epss?cve=CVE-2022-23943
epss 0.60552 https://api.first.org/data/v1/epss?cve=CVE-2022-23943
epss 0.60552 https://api.first.org/data/v1/epss?cve=CVE-2022-23943
epss 0.60552 https://api.first.org/data/v1/epss?cve=CVE-2022-23943
epss 0.60552 https://api.first.org/data/v1/epss?cve=CVE-2022-23943
cvssv3.1 7.4 https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
apache_httpd important https://httpd.apache.org/security/json/CVE-2022-23943.json
Reference id Reference type URL
https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2022-23943.json
https://api.first.org/data/v1/epss?cve=CVE-2022-23943
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-23943
https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
2064319 https://bugzilla.redhat.com/show_bug.cgi?id=2064319
CVE-2022-23943 https://httpd.apache.org/security/json/CVE-2022-23943.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:H/I:H/A:H Found at https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2022-23943.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 0.98273
EPSS Score 0.60552
Published At April 2, 2026, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2026-04-01T12:36:23.332589+00:00 Apache HTTPD Importer Import https://httpd.apache.org/security/json/CVE-2022-23943.json 38.0.0