CVE Catalog

CVE-2026-112300

MediumCVSS 5.3
Published: Updated: Translated: NVD NIST

Exploitation Probability (EPSS)

Low risk
0.41%

33th percentile - higher than 33% of all known CVEs

Summary

DiffSK configobj up to 5.0.9 has an inefficient regular expression complexity vulnerability in _sectionmarker in configobj/__init__.py. Remote exploitation is possible.

Risk Assessment

May lead to denial of service through CPU exhaustion when processing specially crafted input. Risk applies to applications parsing untrusted configuration files.

Recommendation

Update configobj to a version later than 5.0.9 if available, or restrict processing of untrusted input.

Related vulnerabilities

Original NVD description (English source)

A vulnerability was identified in DiffSK configobj up to 5.0.9. Affected by this vulnerability is the function _sectionmarker of the file configobj/__init__.py. The manipulation leads to inefficient regular expression complexity. Remote exploitation of the attack is possible. The project was informed of the problem early through an issue report but has not responded yet.

Vulnerability data from NVD (NIST) · CISA KEV · EPSS