DiffSK configobj __init__.py _sectionmarker redos
Published Oct 19, 2026 · Updated Oct 24, 2026
Original summary
Normalized public record · Updated Oct 24, 2026
DiffSK configobj __init__.py _sectionmarker redos
Publisher and source text is retained separately from QFinch interpretation.
QFinch assessment
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.
Evidence: public source recordsAffected products
| Affected package, product or range | Fix status |
|---|---|
| Consult the referenced vendor advisory for affected versions. | Consult source advisory |
Matching a version is only one part of assessing exposure. QFinch has not assessed your environment on this public page.
Remediation
Apply the vendor-supported fixed release or mitigation, then verify the affected component is no longer reachable.
- Confirm the affected product and reachable code path exist in your environment.
- Apply the vendor-supported patch or mitigation from the primary advisory.
- Rescan the exact deployed revision and retain verification evidence.
Evidence coverage
- SSVC priority
- LOW
- Confidence
- Not available
- Aliases
- None reported
Scores appear only when corresponding evidence exists. Missing data is never interpreted as zero risk.
Sources and record history
- VDB-422346 | DiffSK configobj __init__.py _sectionmarker redos ↗
- VDB-422346 | CTI Indicators (IOB, IOC, TTP, IOA) ↗
- CVE-2026-112300 | CVE Analysis and Report ↗
- Submit #989395 | DiffSK configobj 5.0.9 Denial of Service ↗
- Source repository ↗
- Source repository ↗
Record history
Published Oct 19, 2026 · Last refreshed Oct 24, 2026