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CVE-2022-23943
mod_sed: Read/write beyond bounds
Critical9.8EPSS 50.4%
- Published
- Updated
- Reserved
- Assigned by
- apache
Description
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.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Analyzed | 3.1 | Critical9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
- EPSS (exploitation in 30 days)
- 50.4% · top 1.1% of all CVEs (6 Nov 2026)
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The list uses the assigner's score when there is one, then CISA's, then NVD's: Critical 9.8.
Weakness
Affected products
Apache Software Foundation · Apache HTTP Server
- affected 2.4 – ≤ 2.4.52
References (11)
- https://httpd.apache.org/security/vulnerabilities_24.html (opens in a new tab)x_refsource_MISCx_transferred
- [oss-security] 20220314 CVE-2022-23943: Apache HTTP Server: mod_sed: Read/write beyond bounds (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- FEDORA-2022-b4103753e9 (opens in a new tab)vendor-advisoryx_refsource_FEDORAx_transferred
- [debian-lts-announce] 20220322 [SECURITY] [DLA 2960-1] apache2 security update (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- FEDORA-2022-21264ec6db (opens in a new tab)vendor-advisoryx_refsource_FEDORAx_transferred
- FEDORA-2022-78e3211c55 (opens in a new tab)vendor-advisoryx_refsource_FEDORAx_transferred
- https://www.oracle.com/security-alerts/cpuapr2022.html (opens in a new tab)x_refsource_MISCx_transferred
- https://www.tenable.com/security/tns-2022-08 (opens in a new tab)x_refsource_CONFIRMx_transferred
- https://security.netapp.com/advisory/ntap-20220321-0001/ (opens in a new tab)x_refsource_CONFIRMx_transferred
- https://www.tenable.com/security/tns-2022-09 (opens in a new tab)x_refsource_CONFIRMx_transferred
- GLSA-202208-20 (opens in a new tab)vendor-advisoryx_refsource_GENTOOx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://trackcve.app/cve/CVE-2022-23943)Record last updated .