{"cve":"CVE-2013-7459","nvd":{"published":"2017-02-15T15:59:00.153","modified":"2026-06-17T00:02:00.210","status":"Modified","description":"Heap-based buffer overflow in the ALGnew function in block_templace.c in Python Cryptography Toolkit (aka pycrypto) allows remote attackers to execute arbitrary code as demonstrated by a crafted iv parameter to cryptmsg.py.","cvss_v4":null,"cvss_v3":{"version":"3.0","vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","score":9.8},"cwes":["CWE-119"],"references":["http://www.openwall.com/lists/oss-security/2016/12/27/8","http://www.securityfocus.com/bid/95122","https://bugzilla.redhat.com/show_bug.cgi?id=1409754","https://github.com/dlitz/pycrypto/commit/8dbe0dc3eea5c689d4f76b37b93fe216cf1f00d4","https://github.com/dlitz/pycrypto/issues/176"],"products":["dlitz:pycrypto","fedoraproject:fedora"],"source":"nvd","synced_at":"2026-10-19T20:41:54.846948762+00:00"},"epss":{"cve":"CVE-2013-7459","score":0.09578,"percentile":0.95472,"date":"2026-10-31"},"kev":null,"osv":[{"id":"GHSA-cq27-v7xp-c356","url":"https://osv.dev/vulnerability/GHSA-cq27-v7xp-c356","summary":"Buffer Overflow in pycrypto","modified":"2024-10-18T22:23:12.251504Z","packages":[{"ecosystem":"PyPI","name":"pycrypto","purl":"pkg:pypi/pycrypto","ranges":["<=2.6.1"],"fixed":[]}]},{"id":"PYSEC-2017-94","url":"https://osv.dev/vulnerability/PYSEC-2017-94","summary":"","modified":"2023-11-08T03:57:29.606861Z","packages":[{"ecosystem":"PyPI","name":"pycrypto","purl":"pkg:pypi/pycrypto","ranges":["all versions"],"fixed":[]}]}],"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."]}