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Vulnerability record · CVE-2013-5680 · published 6 April 2014

CVE-2013-5680: Lee howard hylafax\+ memory buffer overflow vulnerability

LLee Howard · Hylafax\+

Heap-based buffer overflow in hfaxd in HylaFAX+ 5.2.4 through 5.5.3, when using LDAP authentication, might allow remote attackers to cause a denial of service (child hang) or execute arbitrary code via a long USER command.

6.8 CVSS 2.0 Medium EPSS 7.9% · top 5.5% CWE-119 · Memory buffer overflow
6.8CVSS 2.0 base score
7.9%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
10References, 2 tagged exploit
16 Jun 2026Last modified by NVD

Description

Heap-based buffer overflow in hfaxd in HylaFAX+ 5.2.4 through 5.5.3, when using LDAP authentication, might allow remote attackers to cause a denial of service (child hang) or execute arbitrary code via a long USER command.

AV:N/AC:M/Au:N/C:P/I:P/A:P

Affected products

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

References

LinkTags
http://hylafax.sourceforge.net/news/5.5.4.php Vendor Advisory
http://securitytracker.com/id?1029119
http://www.exploit-db.com/exploits/28683 Exploit
http://www.securityfocus.com/archive/1/528943
http://www.securityfocus.com/bid/62729
http://hylafax.sourceforge.net/news/5.5.4.php Vendor Advisory
http://securitytracker.com/id?1029119
http://www.exploit-db.com/exploits/28683 Exploit
http://www.securityfocus.com/archive/1/528943
http://www.securityfocus.com/bid/62729

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Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2013-5680), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.