CVE-2016-1254 Denial of service in n/a

What is CVE-2016-1254?

CVE-2016-1254 is a high-severity denial of service vulnerability in Debian Debian Linux, published on 5 Dec 2017. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

Tor before 0.2.8.12 might allow remote attackers to cause a denial of service (client crash) via a crafted hidden service descriptor.

Weakness: CWE-119

Which versions are affected by CVE-2016-1254?

It affects 6 products.

Products include Debian Debian Linux, Fedoraproject Fedora, Opensuse Leap, Opensuse Opensuse, Opensuse Project Leap, Torproject Tor.

How do I fix CVE-2016-1254?

Upgrade to a fixed version.

Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.

Is CVE-2016-1254 being exploited?

There is no known exploitation of CVE-2016-1254 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-2016-1254, DLA-754-1, DSA-3741-1, GHSA-q68j-wcf9-644f, MGASA-2017-0008, UBUNTU-CVE-2016-1254.