{"cve":"CVE-2023-31122","nvd":{"published":"2023-10-23T07:15:11.103","modified":"2026-06-17T05:56:18.907","status":"Analyzed","description":"Out-of-bounds Read vulnerability in mod_macro of Apache HTTP Server.This issue affects Apache HTTP Server: through 2.4.57.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","score":7.5},"cwes":["CWE-125"],"references":["https://httpd.apache.org/security/vulnerabilities_24.html","https://lists.debian.org/debian-lts-announce/2024/05/msg00013.html","https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/TI3V2YCEUM65QDYPGGNUZ7UONIM5OEXC/","https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/VZJTT5TEFNSBWVMKCLS6EZ7PI6EJYBCO/","https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/ZFDNHDH4VLFGDPY6MEZV2RO5N5FLFONW/"],"products":["apache:http_server","debian:debian_linux","fedoraproject:fedora"],"source":"nvd","synced_at":"2026-10-19T21:40:11.519948003+00:00"},"epss":{"cve":"CVE-2023-31122","score":0.0304,"percentile":0.87517,"date":"2026-11-01"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}