{"cve":"CVE-2013-7338","nvd":{"published":"2014-04-22T14:23:34.893","modified":"2026-06-17T00:01:47.027","status":"Modified","description":"Python before 3.3.4 RC1 allows remote attackers to cause a denial of service (infinite loop and CPU consumption) via a file size value larger than the size of the zip file to the (1) ZipExtFile.read, (2) ZipExtFile.read(n), (3) ZipExtFile.readlines, (4) ZipFile.extract, or (5) ZipFile.extractall function.","cvss_v4":null,"cvss_v3":null,"cwes":["CWE-20"],"references":["http://bugs.python.org/issue20078","http://hg.python.org/cpython/rev/79ea4ce431b1","http://lists.apple.com/archives/security-announce/2015/Aug/msg00001.html","http://lists.opensuse.org/opensuse-updates/2014-05/msg00008.html","http://seclists.org/oss-sec/2014/q1/592"],"products":["apple:mac_os_x","python:python"],"source":"nvd","synced_at":"2026-10-19T20:32:06.812358378+00:00"},"epss":{"cve":"CVE-2013-7338","score":0.05055,"percentile":0.92308,"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."]}