CVE-2022-22721

core: Possible buffer overflow with very large or unlimited LimitXMLRequestBody

At a glance

Severity
Not available
EPSS
EPSS 41.71 % · percentile 99 (2026-10-27)
State
PUBLISHED
Published
Updated
Assigner
apache
NVD status
Modified

Description

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.

Scores

VersionScoreVectorScored by
CVSS 3.1CRITICAL 9.1CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:HNVD · nvd@nist.gov (Primary)
CVSS 2.0MEDIUM 5.8AV:N/AC:M/Au:N/C:N/I:P/A:PNVD · nvd@nist.gov (Primary)

Weaknesses (CWE)

European references

CERT-FR advisories

Affected configurations (NVD CPE)

Affected products

ProductVersions
Apache Software Foundation · Apache HTTP Serveraffected Apache HTTP Server 2.4 ≤ 2.4.52

References

Sources

SourceLicence
CVE List (CVEProject cvelistV5)CVE Program Terms of Use
EPSS (FIRST.org)FIRST — attribution requested
ENISA EUVDENISA — reproduction authorised, source acknowledged
CERT-FR (ANSSI)Licence Ouverte / Etalab 2.0
NVD (NIST) via fkie-cad/nvd-json-data-feedsPublic domain — this product uses data from the NVD API but is not endorsed or certified by the NVD