{"schema_version":"1.9.0","id":"BIT-apache-2021-39275","published":"2024-03-06T10:55:11.163Z","modified":"2026-09-08T08:45:42.989303517Z","aliases":["CVE-2021-39275"],"summary":"ap_escape_quotes buffer overflow","details":"ap_escape_quotes() may write beyond the end of a buffer when given malicious input. No included modules pass untrusted data to these functions, but third-party / external modules may. This issue affects Apache HTTP Server 2.4.48 and earlier.","affected":[{"package":{"name":"apache","ecosystem":"Bitnami","purl":"pkg:bitnami/apache"},"ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"fixed":"2.4.49"}]}],"database_specific":{"source":"https://github.com/bitnami/vulndb/tree/main/data/apache/BIT-apache-2021-39275.json"},"severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"}]}],"references":[{"type":"ADVISORY","url":"https://cert-portal.siemens.com/productcert/pdf/ssa-685781.pdf"},{"type":"ADVISORY","url":"https://httpd.apache.org/security/vulnerabilities_24.html"},{"type":"FIX","url":"https://lists.apache.org/thread.html/r3925e167d5eb1c75def3750c155d753064e1d34a143028bb32910432%40%3Cusers.httpd.apache.org%3E"},{"type":"FIX","url":"https://lists.apache.org/thread.html/r61fdbfc26ab170f4e6492ef3bd5197c20b862ce156e9d5a54d4b899c%40%3Cusers.httpd.apache.org%3E"},{"type":"FIX","url":"https://lists.apache.org/thread.html/r82838efc5fa6fc4c73986399c9b71573589f78b31846aff5bd9b1697%40%3Cusers.httpd.apache.org%3E"},{"type":"FIX","url":"https://lists.apache.org/thread.html/r82c077663f9759c7df5a6656f925b3ee4f55fcd33c889ba7cd687029%40%3Cusers.httpd.apache.org%3E"},{"type":"ADVISORY","url":"https://lists.debian.org/debian-lts-announce/2021/10/msg00001.html"},{"type":"ADVISORY","url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/SPBR6WUYBJNACHKE65SPL7TJOHX7RHWD/"},{"type":"ADVISORY","url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ZNCYSR3BXT36FFF4XTCPL3HDQK4VP45R/"},{"type":"ADVISORY","url":"https://security.gentoo.org/glsa/202208-20"},{"type":"ADVISORY","url":"https://security.netapp.com/advisory/ntap-20211008-0004/"},{"type":"ADVISORY","url":"https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-apache-httpd-2.4.49-VWL69sWQ"},{"type":"ADVISORY","url":"https://www.debian.org/security/2021/dsa-4982"},{"type":"ADVISORY","url":"https://www.oracle.com/security-alerts/cpuapr2022.html"},{"type":"ADVISORY","url":"https://www.oracle.com/security-alerts/cpujan2022.html"},{"type":"WEB","url":"https://nvd.nist.gov/vuln/detail/CVE-2021-39275"}],"database_specific":{"cpes":["cpe:2.3:a:apache:http_server:*:*:*:*:*:*:*:*"],"severity":"Critical"}}