CVE-2026-56755
Denial of Service (CPU & Memory Exhaustion) via O(N^2) String Concatenation in Debian Package Upload
MEDIUM
6.2
CVSS Score
Published: August 13, 2026 at 04:44 PM UTC
Updated: August 26, 2026 at 05:11 PM UTC
1 product affected across 1 vendorGitea
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Severity
MEDIUM6.2
Exploit prediction
EPSS 0.2%
SSVC
PoC
Description
Denial of Service (CPU & Memory Exhaustion) via O(N^2) String Concatenation in Debian Package Upload
Remediation
No guide yetNo remediation guidance has been written for this CVE yet. What the record does show:
Patch and advisory references
References (3)
Vendor Advisory
Source: cverecord
https://github.com/go-gitea/gitea/security/advisories/GHSA-6hm7-3pwj-22rmSSVC — Action Prioritization
SSVCPoCNot automatablePartial impact
SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.
CVSS
6.2MEDIUMCISA-ADP
- Attack Vector
- LOCAL
- Complexity
- LOW
- Privileges
- NONE
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality
- NONE
- Integrity
- NONE
- Availability
- HIGH
Vector?
Quick Info
StatusDEFERRED
CWE
CWE-284
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