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UBUNTU-CVE-2018-11213
Vulnerability in libjpeg-turbo (UBUNTU-CVE-2018-11213)
Summary
vulnerability in libjpeg-turbo (UBUNTU-CVE-2018-11213). Risk of unauthorized operations or information disclosure. Mitigation: upgrade to `1.3.0-0ubuntu2.1` or later.
AI summary snake-internal / snake-material-v2
A vulnerability tracked as **UBUNTU-CVE-2018-11213** has been found in libjpeg-turbo.
Risk of unauthorized operations or information disclosure. CVSS score: ?/10.
What to do: upgrade libjpeg-turbo to **1.3.0-0ubuntu2.1** or later.
If unsure, ask your IT team or search "libjpeg-turbo UBUNTU-CVE-2018-11213" on the vendor's site.
UBUNTU-CVE-2018-11213 (libjpeg-turbo) —
Attack vector: remote (network-reachable) / unauthenticated
Patched: `1.3.0-0ubuntu2.1` — 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 libjpeg-turbo.
📍 Affected scope
libjpeg-turbo — .
🔥 Severity
Severity: ?. Risk of unauthorized operations or information disclosure
🔧 How to fix
Update to **1.3.0-0ubuntu2.1**.
🛡️ 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 'libjpeg-turbo' .` 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
-
1Identify exposure identify
grep -r 'libjpeg-turbo' . | 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 `libjpeg-turbo` を grep し、稼働しているサービス・バージョンを把握する。
-
6Apply patch patch
Upgrade libjpeg-turbo to 1.3.0-0ubuntu2.1ステージング環境で 1.3.0-0ubuntu2.1 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。
-
7Post-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:14.04:LTS
libjpeg-turbo
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.3.0-0ubuntu2.1"}]}]
Ubuntu:Pro:14.04:LTS
libjpeg6b
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"6b1-4ubuntu1+esm1"}]}]
Ubuntu:Pro:16.04:LTS
libjpeg6b
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1:6b2-2ubuntu0.1~esm1"}]}]
Ubuntu:Pro:16.04:LTS
libjpeg9
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1:9b-1ubuntu1+esm1"}]}]
Ubuntu:18.04:LTS
libjpeg6b
[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}]
Ubuntu:18.04:LTS
libjpeg9
[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}]
Ubuntu:20.04:LTS
libjpeg6b
[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}]
Ubuntu:22.04:LTS
libjpeg6b
[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}]
Ubuntu:24.04:LTS
libjpeg6b
[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}]
Ubuntu:25.10
libjpeg6b
[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}]
Ubuntu:26.04:LTS
libjpeg6b
[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}]
References
- advisory https://ubuntu.com/security/notices/USN-3706-1
- advisory https://ubuntu.com/security/notices/USN-3706-2
- advisory https://ubuntu.com/security/notices/USN-5497-1
- advisory https://ubuntu.com/security/notices/USN-5497-2
- advisory https://ubuntu.com/security/notices/USN-5336-1
- report https://ubuntu.com/security/CVE-2018-11213
- report https://github.com/ChijinZ/security_advisories/tree/master/libjpeg-v9a
- report https://www.cve.org/CVERecord?id=CVE-2018-11213