CVE-2011-3596 Denial of service in polipo

What is CVE-2011-3596?

CVE-2011-3596 is a high-severity denial of service vulnerability in Debian Debian Linux, published on 25 Nov 2019. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

Polipo before 1.0.4.1 suffers from a DoD vulnerability via specially-crafted HTTP POST / PUT request.

Weakness: CWE-617

Which versions are affected by CVE-2011-3596?

It affects 2 products.

Products include Debian Debian Linux, Polipo Project Polipo.

How do I fix CVE-2011-3596?

No fix has been published for CVE-2011-3596 yet. Limit exposure of the affected software until one is available.

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-2011-3596 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2011-3596 exists.

Public exploit code: 1 Exploit-DB entry.

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 GHSA-rc34-472p-6fgh.