Description
Denial of Service (CPU & Memory Exhaustion) via O(N^2) String Concatenation in Debian Package Upload
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| Gitea | Gitea Open Source Git Server | ≤ 1.26.4 | — |
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Leap 16.0 | govulncheck-vulndb | 0.0.20260723T184607-160000.1.1 | openSUSE-SU-2026:21483-1 |
Affected packages
| Ecosystem | Package | Affected | Fixed | Record |
|---|---|---|---|---|
| Go | code.gitea.io/gitea | < 1.27.0 | 1.27.0 | GHSA-6hm7-3pwj-22rm |
| Go | gitea.dev | < 1.27.0 | 1.27.0 | GO-2026-6037 |
Advisories 2
- WID-SEC-2026-2304 Gitea: Mehrere Schwachstellen BSI CERT-Bund (WID) · Oct 14, 2026
- openSUSE-SU-2026:21483-1 Security update for govulncheck-vulndb SUSE / openSUSE Security Updates · Jul 31, 2026
References
- GitHub Security Advisory vendor-advisory
- Gitea v1.27.0 Release release-notes
- Gitea v1.27.0 Release Blog Post release-notes