This page tracks the Ubuntu fix status. The vulnerability itself is described on the main CVE page. View CVE-2026-5342 →

UBUNTU-CVE-2026-5342

Vulnerability in darktable (UBUNTU-CVE-2026-5342)

Summary

Vulnerability in darktable (UBUNTU-CVE-2026-5342). Risk of unauthorized operations or information disclosure. Mitigation: upgrade to 0.20.2-2ubuntu2.22.04.3 or later.

Original description

The description as published by the source.

A flaw has been found in LibRaw up to 0.22.0. This affects the function LibRaw::nikon_load_padded_packed_raw of the file src/decoders/decoders_libraw.cpp of the component TIFF/NEF. Executing a manipulation of the argument load_flags/raw_width can lead to out-of-bounds read. It is possible to launch the attack remotely. The exploit has been published and may be used. Upgrading to version 0.22.1 mitigates this issue. This patch is called b8397cd45657b84e88bd1202528d1764265f185c. It is advisable to upgrade the affected component.

Source: OSV.dev (Open Source Vulnerabilities) OSV

Auto-generated summary

Assembled by SecPulse from the source data (CVSS, CWE, affected versions) using templates — no AI involved. Check the original description and references below for exact details.

A vulnerability tracked as UBUNTU-CVE-2026-5342 has been found in darktable.
Risk of unauthorized operations or information disclosure.
What to do: upgrade darktable to 0.20.2-2ubuntu2.22.04.3 or later.
If unsure, ask your IT team or search "darktable UBUNTU-CVE-2026-5342" on the vendor's site.

UBUNTU-CVE-2026-5342 (darktable)
Attack vector: remote (network-reachable) / unauthenticated / no user interaction
Patched: 0.20.2-2ubuntu2.22.04.3 — apply immediately
Plan: 1) Audit SBOM/dependencies, 2) Stage→prod upgrade, 3) Add WAF/proxy monitoring on affected endpoints, 4) Hunt IOCs in logs.
Refs: see the GHSA / vendor advisory / patched release linked on this page.

❓ What is the problem

A vulnerability (unclassified) exists in darktable.

📍 Affected scope

Check the vendor advisory for the affected versions of darktable.

🔥 Severity

Severity: ?. Risk of unauthorized operations or information disclosure.

🔧 How to fix

Update to 0.20.2-2ubuntu2.22.04.3.

🛡️ Workaround

Until the patch is applied: disable the affected feature, apply WAF rules, or restrict access via network ACLs.

🔍 Detection

Search webserver/proxy logs for unusual request patterns matching this CVE's known IOCs. Run grep -r 'darktable' . against your dependency files (package-lock.json, requirements.txt, go.sum) to find affected services.

Response actions

Concrete steps and command examples for SOC/SRE teams to execute in order

1
Identify exposure identify
```
grep -r 'darktable' . | grep -v node_modules
```
リポジトリと本番環境の依存ファイル (package-lock.json / requirements.txt / go.sum / Gemfile.lock 等) で darktable を grep し、稼働しているサービス・バージョンを把握する。
2
Apply patch patch
```
Upgrade darktable to 0.20.2-2ubuntu2.22.04.3
```
ステージング環境で 0.20.2-2ubuntu2.22.04.3 に上げて回帰テスト → 本番反映。回帰テストはアプリの主要ハッピーパスを含めること。
3
Post-deployment verification verify
```
Confirm patched version is live in production
```
パッチ適用後、ステージングで PoC または同等の悪用パターンを再現して脆弱性が閉じたことを確認。本番ではアクセスログ・WAF でアラート再発が無いか継続監視。