High
Dulwich before 1.2.9 Infinite Loop DoS via Pack.resolve_object
Dulwich before 1.2.9 contains a denial of service vulnerability in Pack.resolve_object that allows attackers to cause infinite recursion via self-referential OFS_DELTA objects. Attackers can supply a malicious packfile with an OFS_DELTA delta_offset of 0 to exhaust CPU during clone, fetch, or cat-file operations.
Announced Group revision 1
Original source ↗CVE-2026-114095
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-2026-114095
dulwich
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.
[
{
"vendor": "jelmer",
"product": "dulwich",
"versions": [
{
"status": "affected",
"version": "0",
"lessThan": "1.2.9",
"versionType": "semver"
},
{
"status": "unaffected",
"version": "1.2.9",
"versionType": "semver"
}
],
"packageURL": "pkg:pypi/dulwich",
"defaultStatus": "unaffected"
}
]- Related CVEs
- CVE-2026-114095
Source reference:
/cveMetadata/cveId
Publisher severity
high
Source reference: /containers/cna/metrics
- Event
- #49239 · Revision 1
- Added to Heist Feed
- Publisher date