{"id":"CVE-2009-0544","aliases":["DEBIAN-CVE-2009-0544","DSA-1726-1","EUVD-2009-0548","GHSA-w9fp-w8cr-vgpg"],"status":"published","title":"Buffer overflow in the PyCrypto ARC2 module 2.0.1 allows remote attackers to cause a denial of...","description":"Buffer overflow in the PyCrypto ARC2 module 2.0.1 allows remote attackers to cause a denial of service and possibly execute arbitrary code via a large ARC2 key length.","severity":{"version":"2.0","score":10,"vector":"AV:N/AC:L/Au:N/C:C/I:C/A:C","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.11523,"percentile":0.96051,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":true,"fix_available":true},"cwes":["CWE-119"],"published":"2009-02-12T17:00:00Z","modified":"2026-06-16T23:05:16Z","exploits":[{"source":"exploitdb","id":"EDB-32780","title":"PyCrypto ARC2 Module - Remote Buffer Overflow","type":"remote","platform":"linux","date":"2009-02-07","verified":true,"url":"https://www.exploit-db.com/exploits/32780"}],"fixes":[{"ecosystem":"Debian:5.0","package":"python-crypto","fixed_in":["2.0.1+dfsg1-2.3+lenny0"],"sources":["osv"]},{"ecosystem":"Debian:4.0","package":"python-crypto","fixed_in":["2.0.1+dfsg1-1.2+etch0"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Debian:5.0","package":"python-crypto","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.0.1+dfsg1-2.3+lenny0"}]}],"versions":["2.0.1+dfsg1-2.3"]},{"source":"osv","ecosystem":"Debian:4.0","package":"python-crypto","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.0.1+dfsg1-1.2+etch0"}]}],"versions":["2.0.1+dfsg1-1.2"]}],"products":[{"vendor":"pycrypto","product":"arc2"}],"references":[{"url":"http://www.mandriva.com/security/advisories?name=MDVSA-2009:050","tags":["vendor-advisory","x_refsource_MANDRIVA","x_transferred"]},{"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/48617","tags":["vdb-entry","x_refsource_XF","x_transferred"]},{"url":"http://gitweb2.dlitz.net/?p=crypto/pycrypto-2.x.git%3Ba=commitdiff%3Bh=d1c4875e1f220652fe7ff8358f56dee3b2aba31b","tags":["x_refsource_CONFIRM","x_transferred"]},{"url":"http://www.mandriva.com/security/advisories?name=MDVSA-2009:049","tags":["vendor-advisory","x_refsource_MANDRIVA","x_transferred"]},{"url":"http://www.openwall.com/lists/oss-security/2009/02/07/1","tags":["mailing-list","x_refsource_MLIST","x_transferred"]},{"url":"http://secunia.com/advisories/35065","tags":["third-party-advisory","x_refsource_SECUNIA","x_transferred"]},{"url":"http://gitweb2.dlitz.net/?p=crypto/pycrypto-2.x.git%3Ba=commitdiff%3Bh=fd73731dfad451a81056fbb01e09aa78ab82eb5d","tags":["x_refsource_CONFIRM","x_transferred"]},{"url":"http://secunia.com/advisories/34199","tags":["third-party-advisory","x_refsource_SECUNIA","x_transferred"]},{"url":"http://www.securityfocus.com/bid/33674","tags":["vdb-entry","x_refsource_BID","x_transferred","Exploit"]},{"url":"http://lists.opensuse.org/opensuse-security-announce/2009-05/msg00000.html","tags":["vendor-advisory","x_refsource_SUSE","x_transferred"]},{"url":"http://www.openwall.com/lists/oss-security/2009/02/12/5","tags":["mailing-list","x_refsource_MLIST","x_transferred"]},{"url":"http://www.gentoo.org/security/en/glsa/glsa-200903-11.xml","tags":["vendor-advisory","x_refsource_GENTOO","x_transferred"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2009-0544"},{"url":"http://gitweb2.dlitz.net/?p=crypto/pycrypto-2.x.git;a=commitdiff;h=d1c4875e1f220652fe7ff8358f56dee3b2aba31b"},{"url":"http://gitweb2.dlitz.net/?p=crypto/pycrypto-2.x.git;a=commitdiff;h=fd73731dfad451a81056fbb01e09aa78ab82eb5d"},{"url":"https://github.com/advisories/GHSA-w9fp-w8cr-vgpg"}],"sources":{"cve":[{"id":"CVE-2009-0544","description":"Buffer overflow in the PyCrypto ARC2 module 2.0.1 allows remote attackers to cause a denial of service and possibly execute arbitrary code via a large ARC2 key length.","status":"published","published":"2009-02-12T17:00:00Z","modified":"2024-08-07T04:40:04.877Z","updated_at":"2026-11-02T14:33:25.896677Z"}],"euvd":[{"id":"EUVD-2009-0548","description":"Buffer overflow in the PyCrypto ARC2 module 2.0.1 allows remote attackers to cause a denial of service and possibly execute arbitrary code via a large ARC2 key length.","status":"published","published":"2009-02-12T17:00:00Z","modified":"2024-08-07T04:40:04Z","updated_at":"2026-11-03T01:39:25.189813Z"}],"ghsa":[{"id":"GHSA-w9fp-w8cr-vgpg","title":"Buffer overflow in the PyCrypto ARC2 module 2.0.1 allows remote attackers to cause a denial of...","description":"Buffer overflow in the PyCrypto ARC2 module 2.0.1 allows remote attackers to cause a denial of service and possibly execute arbitrary code via a large ARC2 key length.","status":"published","published":"2022-05-02T03:16:22Z","modified":"2025-04-09T04:05:50Z","cwes":["CWE-119"],"updated_at":"2026-11-02T15:00:59.52588Z"}],"nvd":[{"id":"CVE-2009-0544","description":"Buffer overflow in the PyCrypto ARC2 module 2.0.1 allows remote attackers to cause a denial of service and possibly execute arbitrary code via a large ARC2 key length.","status":"published","published":"2009-02-12T17:30:00.217Z","modified":"2026-06-16T23:05:16.167Z","cvss":[{"version":"2.0","score":10,"vector":"AV:N/AC:L/Au:N/C:C/I:C/A:C","level":"high","assessor":"primary"}],"cwes":["CWE-119"],"updated_at":"2026-11-02T14:01:33.417327Z"}],"osv":[{"id":"DSA-1726-1","title":"python-crypto - denial of service","status":"published","published":"2009-02-25T00:00:00Z","modified":"2026-03-09T01:21:37.977183Z","updated_at":"2026-11-02T15:46:14.734124Z"}]}}