PT-2019-1582 · Nginx · Nginx Unit

Published 2019-02-07 · Updated 2025-08-12 · CVE-2019-7401

Positive Technologies (AI Summary)

CVSS v3.1

9.8

Critical

Base vector

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

Name of the Vulnerable Software and Affected Versions NGINX Unit versions prior to 1.7.1

Description The issue is caused by a heap-based buffer overflow in the router process, potentially allowing an attacker to cause a denial of service (router process crash) or possibly have other unspecified impacts with a specially crafted request. The vulnerability may be exploited by a remote attacker to achieve these effects.

Recommendations For NGINX Unit versions prior to 1.7.1, update to version 1.7.1 or later to resolve the issue. As a temporary workaround, consider restricting access to the router process to minimize the risk of exploitation.

Fix

DoS

Memory Corruption

Buffer Overflow

Weakness Enumeration

CWE-787

CWE-119

Related Identifiers

BDU:2019-01114

CVE-2019-7401

Affected Products

Nginx Unit

References · 10

• http://mailman.nginx.org/pipermail/unit/2019-February/000113.html · Vendor Advisory
• http://hg.nginx.org/unit/file/tip/CHANGES · Vendor Advisory
• http://unit.nginx.org/CHANGES.txt · Vendor Advisory
• https://bdu.fstec.ru/vul/2019-01114 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2019-7401 · Security Note
• https://osv.dev/vulnerability/CVE-2019-7401 · Vendor Advisory
• http://securityfocus.com/bid/106956 · Note
• https://suse.com/security/cve/CVE-2019-7401 · Note
• https://linux.org.ru/news/security/14792414 · Note
• https://t.me/cveNotify/131870 · Telegram Post