CVE-2015-8474 Open redirect in n/a

What is CVE-2015-8474?

CVE-2015-8474 is a high-severity vulnerability in Debian Debian Linux, published on 12 Apr 2016. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.

Official description

Open redirect vulnerability in the valid_back_url function in app/controllers/application_controller.rb in Redmine before 2.6.7, 3.0.x before 3.0.5, and 3.1.x before 3.1.1 allows remote attackers to redirect users to arbitrary web sites and conduct phishing attacks via a crafted back_url parameter, as demonstrated by "@attacker.com," a different vulnerability than CVE-2014-1985.

Which versions are affected by CVE-2015-8474?

It affects 2 products.

Products include Debian Debian Linux, Redmine Redmine.

How do I fix CVE-2015-8474?

Upgrade to a fixed version.

Is CVE-2015-8474 being exploited?

There is no known exploitation of CVE-2015-8474 in the wild and no public exploit code.

Other vulnerabilities in Debian Debian Linux

• CVE-2015-3306 ProFTPD Improper Access Control Exploited Critical 10.0
• CVE-2025-49113 RoundCube Webmail Deserialization of Untrusted Data Exploited Critical 9.9
• CVE-2026-24061 GNU InetUtils Argument Injection Exploited Critical 9.8
• CVE-2025-39682 Linux Kernel Improper Check for Unusual or Exceptional Conditions Exploited Critical 9.8
• CVE-2024-9680 Mozilla Firefox Use-After-Free Exploited Critical 9.8

All Debian Debian Linux vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as DEBIAN-CVE-2015-8474, GHSA-jf8c-hh25-c3q7.