CVE-2023-23589 Security feature bypass in n/a

What is CVE-2023-23589?

CVE-2023-23589 is a medium-severity vulnerability in Debian Debian Linux, published on 14 Jan 2023. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

The SafeSocks option in Tor before 0.4.7.13 has a logic error in which the unsafe SOCKS4 protocol can be used but not the safe SOCKS4a protocol, aka TROVE-2022-002.

Weakness: CWE-693

Which versions are affected by CVE-2023-23589?

It affects 3 products.

Products include Debian Debian Linux, Fedoraproject Fedora, Torproject Tor.

How do I fix CVE-2023-23589?

Upgrade to a fixed version.

Is CVE-2023-23589 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2023-23589 exists.

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-2023-23589, DLA-3286-1, DSA-5320-1, GHSA-6wqq-m34g-chqp, MGASA-2023-0017, UBUNTU-CVE-2023-23589.