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ALPINE-CVE-2016-10197
Vulnerability in libevent (ALPINE-CVE-2016-10197)
Summary
vulnerability in libevent (ALPINE-CVE-2016-10197). Risk of unauthorized operations or information disclosure. Mitigation: upgrade to `2.1.8-r0` or later.
AI summary snake-internal / snake-material-v2
A vulnerability tracked as **ALPINE-CVE-2016-10197** has been found in libevent.
Risk of unauthorized operations or information disclosure. CVSS score: ?/10.
What to do: upgrade libevent to **2.1.8-r0** or later.
If unsure, ask your IT team or search "libevent ALPINE-CVE-2016-10197" on the vendor's site.
ALPINE-CVE-2016-10197 (libevent) —
Attack vector: remote (network-reachable) / unauthenticated / no user interaction
Patched: `2.1.8-r0` — 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 libevent.
📍 Affected scope
libevent — .
🔥 Severity
Severity: ?. Risk of unauthorized operations or information disclosure
🔧 How to fix
Update to **2.1.8-r0**.
🛡️ 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 'libevent' .` 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
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1Identify exposure identify
grep -r 'libevent' . | 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 `libevent` 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 libevent to 2.1.8-r0ステージング環境で 2.1.8-r0 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
Alpine:v3.10
libevent
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.1.8-r0"}]}]
Alpine:v3.11
libevent
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.1.8-r0"}]}]
Alpine:v3.12
libevent
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.1.8-r0"}]}]
Alpine:v3.13
libevent
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.1.8-r0"}]}]
Alpine:v3.14
libevent
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.1.8-r0"}]}]
Alpine:v3.15
libevent
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.1.8-r0"}]}]
Alpine:v3.16
libevent
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.1.8-r0"}]}]
Alpine:v3.17
libevent
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.1.8-r0"}]}]
Alpine:v3.18
libevent
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.1.8-r0"}]}]
Alpine:v3.19
libevent
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.1.8-r0"}]}]
Alpine:v3.2
libevent
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.0.22-r1"}]}]
Alpine:v3.20
libevent
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.1.8-r0"}]}]
Alpine:v3.21
libevent
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.1.8-r0"}]}]
Alpine:v3.22
libevent
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.1.8-r0"}]}]
Alpine:v3.23
libevent
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.1.8-r0"}]}]
Alpine:v3.24
libevent
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.1.8-r0"}]}]
Alpine:v3.3
libevent
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.0.22-r1"}]}]
Alpine:v3.4
libevent
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.0.22-r1"}]}]
Alpine:v3.5
libevent
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.0.22-r2"}]}]
Alpine:v3.6
libevent
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.1.8-r0"}]}]
Alpine:v3.7
libevent
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.1.8-r0"}]}]
Alpine:v3.8
libevent
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.1.8-r0"}]}]
Alpine:v3.9
libevent
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.1.8-r0"}]}]