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UBUNTU-CVE-2026-32836
Vulnerability in libchdr (UBUNTU-CVE-2026-32836)
Summary
vulnerability in libchdr (UBUNTU-CVE-2026-32836). Risk of unauthorized operations or information disclosure.
AI summary snake-internal / snake-material-v2
A vulnerability tracked as **UBUNTU-CVE-2026-32836** has been found in libchdr.
Risk of unauthorized operations or information disclosure. CVSS score: ?/10.
What to do: apply the vendor's official patched release.
If unsure, ask your IT team or search "libchdr UBUNTU-CVE-2026-32836" on the vendor's site.
UBUNTU-CVE-2026-32836 (libchdr) —
Attack vector: local / unauthenticated / no user interaction
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 libchdr.
📍 Affected scope
libchdr — .
🔥 Severity
Severity: ?. Risk of unauthorized operations or information disclosure
🔧 How to fix
Update to the patched release per vendor advisory.
🛡️ 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 'libchdr' .` 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 'libchdr' . | 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 `libchdr` を grep し、稼働しているサービス・バージョンを把握する。
-
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:24.04:LTS
libchdr
[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}]
Ubuntu:25.10
libchdr
[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}]
Ubuntu:26.04:LTS
libchdr
[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}]
References
- report https://ubuntu.com/security/CVE-2026-32836
- report https://www.cve.org/CVERecord?id=CVE-2026-32836
- report https://github.com/mackron/dr_libs/issues/298
- report https://github.com/mackron/dr_libs/commit/663239a3d0460c33bd5b6e5166edcb404e3df676
- report https://github.com/mackron/dr_libs/commit/fefced4a64adfb1a68a2d31d882366e56096dee8
- report https://github.com/mackron/dr_libs/commit/4f5a4cd3b57564d969443c580c75857e039f100a