CVE-2026-56755

Denial of Service (CPU & Memory Exhaustion) via O(N^2) String Concatenation in Debian Package Upload

Published Aug 13, 2026 CVSS 3.1 · 6.2 Medium EPSS < 1% KEV · Not listed
Description
Denial of Service (CPU & Memory Exhaustion) via O(N^2) String Concatenation in Debian Package Upload

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
Github GHSA Github GHSA GHSA-6hm7-3pwj-22rm Gitea: Denial of Service (CPU & Memory Exhaustion) via O(N^2) String Concatenation in Debian Package Upload
History
Type Values Removed Values Added
First Time appeared Gitea
Gitea gitea Open Source Git Server
Vendors & Products Gitea
Gitea gitea Open Source Git Server
Metrics cvssV3_1

{'score': 6.2, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H'}

ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'poc', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
Description Denial of Service (CPU & Memory Exhaustion) via O(N^2) String Concatenation in Debian Package Upload
Title Denial of Service (CPU & Memory Exhaustion) via O(N^2) String Concatenation in Debian Package Upload
Weaknesses CWE-284
References
Weaknesses

Sources

Status
PUBLISHED
Assigner
Gitea
Published
Updated
Aug 13, 2026, 6:38 PM
Reserved
Jul 8, 2026, 9:19 AM
Status
Deferred
Published
Aug 13, 2026, 5:17 PM
Modified
Aug 26, 2026, 4:53 PM