{"cve":"CVE-2014-6272","nvd":{"published":"2015-08-24T14:59:01.353","modified":"2026-06-17T00:12:48.960","status":"Modified","description":"Multiple integer overflows in the evbuffer API in Libevent 1.4.x before 1.4.15, 2.0.x before 2.0.22, and 2.1.x before 2.1.5-beta allow context-dependent attackers to cause a denial of service or possibly have other unspecified impact via \"insanely large inputs\" to the (1) evbuffer_add, (2) evbuffer_expand, or (3) bufferevent_write function, which triggers a heap-based buffer overflow or an infinite loop.  NOTE: this identifier has been SPLIT per ADT3 due to different affected versions. See CVE-2015-6525 for the functions that are only affected in 2.0 and later.","cvss_v4":null,"cvss_v3":null,"cwes":["CWE-189"],"references":["http://archives.seul.org/libevent/users/Jan-2015/msg00010.html","http://www.debian.org/security/2015/dsa-3119","http://www.slackware.com/security/viewer.php?l=slackware-security&y=2016&m=slackware-security.366317","https://puppet.com/security/cve/CVE-2014-6272","http://archives.seul.org/libevent/users/Jan-2015/msg00010.html"],"products":["debian:debian_linux","libevent_project:libevent"],"source":"nvd","synced_at":"2026-10-19T20:37:45.466985407+00:00"},"epss":{"cve":"CVE-2014-6272","score":0.02084,"percentile":0.81564,"date":"2026-10-31"},"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."]}