CVE-2010-4533 Weak cryptography in offlineimap

What is CVE-2010-4533?

CVE-2010-4533 is a critical vulnerability in Debian Debian Linux, published on 13 Nov 2019. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

offlineimap before 6.3.4 added support for SSL server certificate validation but it is still possible to use SSL v2 protocol, which is a flawed protocol with multiple security deficiencies.

Weakness: CWE-295

Which versions are affected by CVE-2010-4533?

It affects 2 products.

Products include Debian Debian Linux, Offlineimap Offlineimap.

How do I fix CVE-2010-4533?

No fix has been published for CVE-2010-4533 yet. Limit exposure of the affected software until one is available.

Is CVE-2010-4533 being exploited?

There is no known exploitation of CVE-2010-4533 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 GHSA-j6qj-vq58-68qh.