A vulnerability was identified in DiffSK configobj up to 5.0.9. (CVE-2026-112300)
Description
A medium severity vulnerability (CVE-2026-112300) exists in DiffSK configobj up to version 5.0.9. The flaw is in the _sectionmarker function of configobj/__init__.py and involves inefficient regular expression complexity, which can be exploited remotely to cause denial of service by resource exhaustion. No patch or vendor response has been reported yet.
CVSS v3.1
Score 5.3medium
Affected software
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Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-112300 identifies a vulnerability in DiffSK configobj versions up to 5.0.9, specifically in the _sectionmarker function within configobj/__init__.py. The vulnerability arises from inefficient regular expression complexity, leading to potential denial of service via resource exhaustion when exploited remotely. The issue was reported early to the project, but no response or fix has been provided to date.
Potential Impact
The vulnerability allows remote attackers to cause a denial of service condition by triggering inefficient regular expression processing, resulting in resource exhaustion. There is no impact on confidentiality or integrity, only availability is affected.
Mitigation Recommendations
No official fix or patch is currently available, and the vendor has not responded to the issue report. Users should monitor the vendor's advisories for updates and consider mitigating exposure by limiting access to the vulnerable functionality until a fix is released.
Technical Details
- Gcve Source
- db.gcve.eu
- Osv Id
- GHSA-w53r-mv8r-wgxx
- Osv Schema Version
- 1.4.0
- Aliases
- ["CVE-2026-112300"]
- Database Specific Severity
- MODERATE
- Cvss Version
- 3.1
- State
- PUBLISHED
Threat ID: 6ad699312cdf04f6569d6604
Added to database: 10/19/2026, 22:26:57 UTC
Last enriched: 10/19/2026, 22:28:03 UTC
Last updated: 10/20/2026, 02:48:08 UTC
Views: 7
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