DiffSK configobj __init__.py _sectionmarker redos
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.
CVE-2026-112300
Primary source · Revision 1
Imported from structured advisory data. Source references identify upstream records or fields; verify affected versions and your deployed configuration.
Security context
Source reference: cve:CVE-2026-112300
configobj
Source reference: /containers/cna/affected/0/product
- Affected versions
- Not stated in this record
- Fixed versions
- Not stated in this record
- Prerequisites
- Not stated in this record
Structured affected-version data
Original package identities and version rules from this source.
[
{
"cpes": [
"cpe:2.3:a:diffsk:configobj:*:*:*:*:*:*:*:*"
],
"vendor": "DiffSK",
"product": "configobj",
"versions": [
{
"status": "affected",
"version": "5.0.0"
},
{
"status": "affected",
"version": "5.0.1"
},
{
"status": "affected",
"version": "5.0.2"
},
{
"status": "affected",
"version": "5.0.3"
},
{
"status": "affected",
"version": "5.0.4"
},
{
"status": "affected",
"version": "5.0.5"
},
{
"status": "affected",
"version": "5.0.6"
},
{
"status": "affected",
"version": "5.0.7"
},
{
"status": "affected",
"version": "5.0.8"
},
{
"status": "affected",
"version": "5.0.9"
}
]
}
]- Related CVEs
- CVE-2026-112300
Source reference:
/cveMetadata/cveId
Publisher severity
medium
Source reference: /containers/cna/metrics
- Event
- #42327 · Revision 1
- Added to Heist Feed
- Publisher date