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CVE-2026-43630
medium
CVSS 6.5
Out-of-Bounds Read in cpp (CVE-2026-43630)
Summary
vulnerability in cpp (CVE-2026-43630). Risk of unauthorized operations or information disclosure.
AI summary snake-internal / snake-material-v2
A vulnerability tracked as **CVE-2026-43630** has been found in cpp.
Risk of unauthorized operations or information disclosure. CVSS score: 6.5/10.
What to do: apply the vendor's official patched release.
If unsure, ask your IT team or search "cpp CVE-2026-43630" on the vendor's site.
CVE-2026-43630 (cpp) — CWE-125 / CVSS v3 6.5
Attack vector: remote (network-reachable) / 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
**out-of-bounds read** (CWE-125) exists in cpp.
📍 Affected scope
cpp — .
🔥 Severity
Severity: Medium (CVSS 6.5/10). 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 'cpp' .` 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 'cpp' . | 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 `cpp` 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://github.com/Vladimir-tokarev-cyera/llama-cpp-security-patches
- web https://github.com/ggml-org/llama.cpp
- web https://github.com/ggml-org/llama.cpp/commit/f93c09e2673090b59802f2552848a1cac70598b0
- web https://nvd.nist.gov/vuln/detail/CVE-2026-43630
- web https://github.com/advisories/GHSA-27j8-r4f8-8v3x
- web https://www.vulncheck.com/advisories/llama-cpp-b5702-b7653-out-of-bounds-read-information-disclosure