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Vulnerability record · CVE-2017-17663 · published 6 February 2018

CVE-2017-17663: Acme mini httpd memory buffer overflow vulnerability

Acme · Mini Httpd

The htpasswd implementation of mini_httpd before v1.28 and of thttpd before v2.28 is affected by a buffer overflow that can be exploited remotely to perform code execution.

9.8 CVSS 3.0 Critical EPSS 2.7% · top 14.4% CWE-119 · Memory buffer overflow
9.8CVSS 3.0 base score, v2 7.5
2.7%EPSS exploitation probability, 30 days
NoNot in CISA KEV
2Affected product versions listed by NVD
2References
17 Jun 2026Last modified by NVD

Description

The htpasswd implementation of mini_httpd before v1.28 and of thttpd before v2.28 is affected by a buffer overflow that can be exploited remotely to perform code execution.

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products

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

References

LinkTags
http://acme.com/updates/archive/199.html Third Party Advisory
http://acme.com/updates/archive/199.html Third Party Advisory

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Related vulnerabilities

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

9.8CVE-2007-0158Acme thttpd out-of-bounds write vulnerabilitythttpd 2007 has buffer underflow.EPSS 1.3%9.8CVE-2009-4491Acme thttpd improper input validation vulnerabilitythttpd 2.25b0 writes data to a log file without sanitizing non-printable characters, which might allow remote attackers to modify a window's title, o…EPSS 14%9.8CVE-2003-0899Acme thttpd vulnerabilityBuffer overflow in defang in libhttpd.c for thttpd 2.21 to 2.23b1 allows remote attackers to execute arbitrary code via requests that contain '<' or …EPSS 22%9.8CVE-2001-1496Acme thttpd vulnerabilityOff-by-one buffer overflow in Basic Authentication in Acme Labs thttpd 1.95 through 2.20 allows remote attackers to cause a denial of service and pos…EPSS 4.8%5.5CVE-2012-5640Acme thttpd null pointer dereference vulnerabilitythttpd has a local DoS vulnerability via specially-crafted .htpasswd filesEPSS 0.39%5.0CVE-2015-1548Acme mini httpd memory buffer overflow vulnerabilitymini_httpd 1.21 and earlier allows remote attackers to obtain sensitive information from process memory via an HTTP request with a long protocol stri…EPSS 1.6%5.0CVE-2009-4490Acme mini httpd improper input validation vulnerabilitymini_httpd 1.19 writes data to a log file without sanitizing non-printable characters, which might allow remote attackers to modify a window's title,…EPSS 10%5.0CVE-2001-0893Acme mini httpd exposure of resource to wrong sphere vulnerabilityAcme mini_httpd before 1.16 allows remote attackers to view sensitive files under the document root (such as .htpasswd) via a GET request with a trai…EPSS 2.5%

Source: NIST National Vulnerability Database (record CVE-2017-17663), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.