{"cve":"CVE-2026-11972","nvd":{"published":"2026-06-23T23:16:49.033","modified":"2026-10-25T23:10:00.167","status":"Awaiting Analysis","description":"When using the \"tarfile\" module with a file opened in \"streaming mode\" (mode=\"r|\") the tarfile module did not properly handle EOF, making archive parsing take exponentially longer.","cvss_v4":{"vector":"CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N","score":8.2},"cvss_v3":null,"cwes":["CWE-252","CWE-606","CWE-770"],"references":["https://github.com/python/cpython/commit/3f031d431f80668e14f3bc066bbf4369cd9281b9","https://github.com/python/cpython/commit/4ce6bf7c8aa7725828a38981c306f214c1f29365","https://github.com/python/cpython/commit/7f0dc59c9a70f8f3b4da33d7c4a2ba552a7acc21","https://github.com/python/cpython/commit/e86666c9dd256d52d0fbef6feb1ea4a51768fdec","https://github.com/python/cpython/commit/eb63c0f94dfcbea7fda8eab6213818e134d67192"],"products":[],"source":"nvd","synced_at":"2026-10-25T23:44:33.281319194+00:00"},"epss":{"cve":"CVE-2026-11972","score":0.00715,"percentile":0.5347,"date":"2026-10-25"},"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."]}