CVE-2020-9274

7.5

CVSS

Description

An issue was discovered in Pure-FTPd 1.0.49. An uninitialized pointer vulnerability has been detected in the diraliases linked list. When the *lookup_alias(const char alias) or print_aliases(void) function is called, they fail to correctly detect the end of the linked list and try to access a non-existent list member. This is related to init_aliases in diraliases.c.

Attack Vector

Privileges Req.

User Interaction

Updated Nov 10, 2026View on NVD →

S4E scanner

highNetwork Vulnerabilities~10 seconds

Pure-FTPd 1.0.49 - DoS via Uninitialized Pointer

Pure-FTPd versions 1.0.49 (>= ~0.96) contain a vulnerability in the init_aliases() function within diraliases.c when processing aliases. This leads to access of an uninitialized pointer, which can cause a denial of service (DoS) condition. References: https://lists.debian.org/debian-lts-announce/2020/02/msg00029.html https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/22P44PECZWNDP7CMBL7NRBMNFS73C5Z2/ https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/B5NSUDWXZVWUCL6R2PTX3KBB42Z62CA5/ https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/U5DBVHJCXWRSJPNJQCJQCKZF6ZDPZCKA/ https://security.gentoo.org/glsa/202003-54

9 assets checked · domain, subdomain, ipv4

Scanner page →Run scanner

Monitor this CVE on your assets

S4E maps published CVEs to scanners and forecasts the next disclosure window for your stack.

Create a free account →