All vulnerabilities
CVE-2026-112300

DiffSK configobj __init__.py _sectionmarker redos

DiffSK configobj
Open in ThreatlineRecord JSON
CVSS
6.9Medium
ExploitationNo known exploitationNot in CISA KEV, which does not prove it is unexploitedCISA KEV
Exploit odds (EPSS)0.40%Chance of exploitation activity in the next 30 days, higher than 33% of CVEs. Scored 23 Oct 2026FIRST EPSS
Fixed inNone listedNo source names a fixed version. Check the vendor advisory below
Published19 Oct 2026Updated 20 Oct 2026CVE List

What fixes it

No source in this snapshot names a fixed version. The vendor advisories under References are the place to check.

Description

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.

Text from CVE List

Affected versions 10

  • configobjaffected: 5.0.0CVE List
  • configobjaffected: 5.0.1CVE List
  • configobjaffected: 5.0.2CVE List
  • configobjaffected: 5.0.3CVE List
  • configobjaffected: 5.0.4CVE List
  • configobjaffected: 5.0.5CVE List
  • configobjaffected: 5.0.6CVE List
  • configobjaffected: 5.0.7CVE List
  • configobjaffected: 5.0.8CVE List
  • configobjaffected: 5.0.9CVE List

References 6