← Back to results
Vulnerability record · public intelligence
CVE-2026-112300
MEDIUM

DiffSK configobj __init__.py _sectionmarker redos

Published Oct 19, 2026 · Updated Oct 24, 2026

Severity · CVSSMEDIUM · 5.3
Known exploitationNot listed
EPSS / likelihood0.40%
QFinch risk scoreNot available

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 records

Affected products

Affected scope reported by the available public evidence
Affected package, product or rangeFix 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.

  1. Confirm the affected product and reachable code path exist in your environment.
  2. Apply the vendor-supported patch or mitigation from the primary advisory.
  3. Rescan the exact deployed revision and retain verification evidence.
Review primary references

Evidence coverage

CVENVDEPSS
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

  1. VDB-422346 | DiffSK configobj __init__.py _sectionmarker redos ↗
  2. VDB-422346 | CTI Indicators (IOB, IOC, TTP, IOA) ↗
  3. CVE-2026-112300 | CVE Analysis and Report ↗
  4. Submit #989395 | DiffSK configobj 5.0.9 Denial of Service ↗
  5. Source repository ↗
  6. Source repository ↗

Record history

Published Oct 19, 2026 · Last refreshed Oct 24, 2026