CVE-2008-5646: Denial of Service Vulnerability in Trac
Summary
CVE-2008-5646: Unspecified vulnerability in Trac before 0.11.2 allows attackers to cause a denial of service via unknown attack vectors related to "certain wiki markup.". Affects trac versions < 0.11.2. Fixed in 0.11.2. How to fix ↓
Also tracked for
- trac · Debian:13
The same CVE-2008-5646 is tracked separately for each ecosystem and vendor. Its fix information is the same; the package and affected versions differ.
Check if this vulnerability affects your application
Upload a manifest or SBOM and we'll show whether you're affected, plus every other risky package in the same scan.
No signup required · Results in about 60 seconds
Background
Trac is a popular open-source project management and issue tracking system written in Python. It provides a web-based interface for managing software development projects, including features like version control, ticketing, and wiki functionality. Trac is widely used in the software development community and is available on the Python Package Index (PyPI). However, versions of Trac before 0.11.2 are vulnerable to a denial of service attack.
Vulnerability Detail
The vulnerability in Trac before 0.11.2 is caused by unspecified attack vectors related to certain wiki markup. The exact details of the attack vectors are not disclosed, but they can be exploited by attackers to cause a denial of service. This vulnerability could potentially disrupt the availability of Trac instances and impact the productivity of software development teams relying on Trac for project management.
How To Fix
Latest published version: 1.6.0 as of 22 Oct 2026
pip install --upgrade "trac==1.6.0"Upgrading to it may include breaking changes; the version below is the minimum fixed release for this vulnerability.
If you need the minimum change
0.11.2
This is the first release that contains the fix.
pip install --upgrade "trac==0.11.2"Tip — Not sure which version your app runs? Vulert can match this fix to it. Scan free →
Workaround
No specific workaround is provided for this vulnerability. It is advised to apply the recommended fix by upgrading Trac to the latest version.
Conclusion
In conclusion, Trac versions before 0.11.2 are vulnerable to a denial of service attack. It is crucial for Trac users to upgrade to the latest version to mitigate this vulnerability and ensure the availability and security of their Trac instances. For further support and assistance in vulnerability remediation, you can reach out to DevNack.com.
See every vulnerability recorded for trac →
FAQ
Trac is an open-source project management and issue tracking system written in Python. It provides a web-based interface for managing software development projects.
This vulnerability allows attackers to cause a denial of service, potentially disrupting the availability of Trac instances and impacting software development productivity.
To fix this vulnerability, upgrade Trac to version 0.11.2 or later.
No specific workarounds are provided for this vulnerability. It is recommended to apply the fix by upgrading Trac.
For more information, you can refer to the vulnerability advisory at the following source: [link to the advisory]
Related vulnerabilities
Recent vulnerabilities recorded for trac.
