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Vulnerability record · CVE-2009-0544 · published 12 February 2009

CVE-2009-0544: Pycrypto arc2 memory buffer overflow vulnerability

Pycrypto · Arc2

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.

10.0 CVSS 2.0 High EPSS 12% · top 4.1% CWE-119 · Memory buffer overflow
10.0CVSS 2.0 base score
12%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
24References, 2 tagged exploit
16 Jun 2026Last modified by NVD

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.

AV:N/AC:L/Au:N/C:C/I:C/A:C

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://gitweb2.dlitz.net/?p=crypto/pycrypto-2.x.git%3Ba=commitdiff%3Bh=d1c4875e1f220652fe7ff8358f56dee3b2aba31b
http://gitweb2.dlitz.net/?p=crypto/pycrypto-2.x.git%3Ba=commitdiff%3Bh=fd73731dfad451a81056fbb01e09aa78ab82eb5d
http://lists.opensuse.org/opensuse-security-announce/2009-05/msg00000.html
http://secunia.com/advisories/34199
http://secunia.com/advisories/35065
http://www.gentoo.org/security/en/glsa/glsa-200903-11.xml
http://www.mandriva.com/security/advisories?name=MDVSA-2009:049
http://www.mandriva.com/security/advisories?name=MDVSA-2009:050
http://www.openwall.com/lists/oss-security/2009/02/07/1
http://www.openwall.com/lists/oss-security/2009/02/12/5
http://www.securityfocus.com/bid/33674 Exploit
https://exchange.xforce.ibmcloud.com/vulnerabilities/48617
http://gitweb2.dlitz.net/?p=crypto/pycrypto-2.x.git%3Ba=commitdiff%3Bh=d1c4875e1f220652fe7ff8358f56dee3b2aba31b
http://gitweb2.dlitz.net/?p=crypto/pycrypto-2.x.git%3Ba=commitdiff%3Bh=fd73731dfad451a81056fbb01e09aa78ab82eb5d
http://lists.opensuse.org/opensuse-security-announce/2009-05/msg00000.html
http://secunia.com/advisories/34199
http://secunia.com/advisories/35065
http://www.gentoo.org/security/en/glsa/glsa-200903-11.xml
http://www.mandriva.com/security/advisories?name=MDVSA-2009:049
http://www.mandriva.com/security/advisories?name=MDVSA-2009:050
http://www.openwall.com/lists/oss-security/2009/02/07/1
http://www.openwall.com/lists/oss-security/2009/02/12/5
http://www.securityfocus.com/bid/33674 Exploit
https://exchange.xforce.ibmcloud.com/vulnerabilities/48617

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Source: NIST National Vulnerability Database (record CVE-2009-0544), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.