Vulnerability in imagemagick (USN-8263-1)

Summary

vulnerability in imagemagick (USN-8263-1). Risk of unauthorized operations or information disclosure. Mitigation: upgrade to `8:6.7.7.10-6ubuntu3.13+esm21` or later.

AI summary snake-internal / snake-material-v2

A vulnerability tracked as **USN-8263-1** has been found in imagemagick. Risk of unauthorized operations or information disclosure. CVSS score: ?/10. What to do: upgrade imagemagick to **8:6.7.7.10-6ubuntu3.13+esm21** or later. If unsure, ask your IT team or search "imagemagick USN-8263-1" on the vendor's site.

USN-8263-1 (imagemagick) — Patched: `8:6.7.7.10-6ubuntu3.13+esm21` — 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 imagemagick.

📍 Affected scope

imagemagick — .

🔥 Severity

Severity: ?. Risk of unauthorized operations or information disclosure

🔧 How to fix

Update to **8:6.7.7.10-6ubuntu3.13+esm21**.

🛡️ 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 'imagemagick' .` against your dependency files (package-lock.json, requirements.txt, go.sum) to find affected services.

Response Actions (7 steps)

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

1
Identify exposure identify
```
grep -r 'imagemagick' . | 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 `imagemagick` を grep し、稼働しているサービス・バージョンを把握する。
6
Apply patch patch
```
Upgrade imagemagick to 8:6.7.7.10-6ubuntu3.13+esm21
```
ステージング環境で 8:6.7.7.10-6ubuntu3.13+esm21 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と、Step 3 で見つけた異常検知の続報チェックを含めること。
7
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 Step 3 と同じログクエリでアラート再発が無いか継続監視。

Affected packages

Ubuntu:Pro:14.04:LTS imagemagick

[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"8:6.7.7.10-6ubuntu3.13+esm21"}]}]

Ubuntu:Pro:16.04:LTS imagemagick

[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"8:6.8.9.9-7ubuntu5.16+esm20"}]}]

Ubuntu:Pro:18.04:LTS imagemagick

[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"8:6.9.7.4+dfsg-16ubuntu6.15+esm12"}]}]

Ubuntu:Pro:20.04:LTS imagemagick

[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"8:6.9.10.23+dfsg-2.1ubuntu11.11+esm10"}]}]

Ubuntu:Pro:22.04:LTS imagemagick

[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"8:6.9.11.60+dfsg-1.3ubuntu0.22.04.5+esm10"}]}]

Ubuntu:Pro:24.04:LTS imagemagick

[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"8:6.9.12.98+dfsg1-5.2ubuntu0.1~esm9"}]}]

Ubuntu:25.10 imagemagick

[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"8:7.1.2.3+dfsg1-1ubuntu0.1"}]}]

References

advisory https://ubuntu.com/security/notices/USN-8263-1
report https://ubuntu.com/security/CVE-2026-24481
report https://ubuntu.com/security/CVE-2026-24484
report https://ubuntu.com/security/CVE-2026-24485
report https://ubuntu.com/security/CVE-2026-25576
report https://ubuntu.com/security/CVE-2026-25637
report https://ubuntu.com/security/CVE-2026-25638
report https://ubuntu.com/security/CVE-2026-25794
report https://ubuntu.com/security/CVE-2026-25795
report https://ubuntu.com/security/CVE-2026-25796
report https://ubuntu.com/security/CVE-2026-25797
report https://ubuntu.com/security/CVE-2026-25798
report https://ubuntu.com/security/CVE-2026-25799
report https://ubuntu.com/security/CVE-2026-25897
report https://ubuntu.com/security/CVE-2026-25898
report https://ubuntu.com/security/CVE-2026-25965