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CVE-2026-64434
high
CVSS 8.8
Vulnerability in c (CVE-2026-64434)
Summary
vulnerability in c (CVE-2026-64434). Successful exploitation can lead to full system takeover.
AI summary snake-internal / snake-material-v2
A vulnerability tracked as **CVE-2026-64434** has been found in c.
Successful exploitation can lead to full system takeover. CVSS score: 8.8/10.
What to do: apply the vendor's official patched release.
If unsure, ask your IT team or search "c CVE-2026-64434" on the vendor's site.
CVE-2026-64434 (c) — CVSS v3 8.8
Attack vector: adjacent-network / 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 c.
📍 Affected scope
c — .
🔥 Severity
Severity: High (CVSS 8.8/10). Successful exploitation can lead to full system takeover
🔧 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 'c' .` 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 'c' . | 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 `c` を grep し、稼働しているサービス・バージョンを把握する。
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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。
References
- web https://git.kernel.org/stable/c/0b0e2bf39cf99e458d991b9df253727e036a7d7d
- web https://git.kernel.org/stable/c/50c38d9f42a529691e4e67ea9cedf4f0bfc8d277
- web https://git.kernel.org/stable/c/91047a4396a8b1857a6f712a90cf33ec0012b189
- web https://git.kernel.org/stable/c/b66774b48dd98f07254951f74ea6f513efe7ff8b
- web https://git.kernel.org/stable/c/d3b739db5dc6f688a60d56da872fabaf65246032
- web https://nvd.nist.gov/vuln/detail/CVE-2026-64434
- web https://github.com/advisories/GHSA-9wm7-g2v6-vprf
- web https://git.kernel.org/stable/c/32d783cafb46ff3ca58e6f9fd62c9c5f35eaf26b
- web https://git.kernel.org/stable/c/8922c7940bae9ce4b1736dddb6362370793835c2
- web https://git.kernel.org/stable/c/8f90405a4a6f1f1880dc07996b47bf57c712bd8a