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CVE-2025-59465 high CVSS 7.5

Vulnerability in node (CVE-2025-59465)

Summary

Vulnerability in node (CVE-2025-59465). Risk of unauthorized operations or information disclosure. Exploitable via HPACK. Mitigation: upgrade to 20.20.0, 22.22.0, 24.13.0, 25.3.0 or later.

Original description

The description as published by the source.

A malformed HTTP/2 HEADERS frame with oversized, invalid HPACK data can cause Node.js to crash by triggering an unhandled TLSSocket error ECONNRESET. Instead of safely closing the connection, the process crashes, enabling a remote denial of service. This primarily affects applications that do not attach explicit error handlers to secure sockets, for example:

server.on('secureConnection', socket => {
  socket.on('error', err => {
    console.log(err)
  })
})

Source: GitHub Security Advisories (Global) NVD GitHub Advisory

Auto-generated summary

Assembled by SecPulse from the source data (CVSS, CWE, affected versions) using templates — no AI involved. Check the original description and references below for exact details.

A vulnerability tracked as CVE-2025-59465 has been found in node.
Attackers can target a specific entry point like HPACK over the network to misuse the product.
Risk of unauthorized operations or information disclosure. CVSS score: 7.5/10.
What to do: upgrade node to 20.20.0, 22.22.0, 24.13.0, 25.3.0 or later.
If unsure, ask your IT team or search "node CVE-2025-59465" on the vendor's site.

CVE-2025-59465 (node) — CWE-400 / CVSS v3 7.5
Attack vector: remote (network-reachable) / unauthenticated / no user interaction
Attack surface: HPACK / TLSSocket / ECONNRESET
Patched: 20.20.0, 22.22.0, 24.13.0, 25.3.0 — 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 (CWE-400) exists in node. Attackers reach the vulnerable code path via HPACK without authentication.

📍 Affected scope

Check the vendor advisory for the affected versions of node. Attack surface: HPACK / TLSSocket / ECONNRESET.

🔥 Severity

Severity: High (CVSS 7.5/10). Risk of unauthorized operations or information disclosure.

🔧 How to fix

Update to 20.20.0, 22.22.0, 24.13.0, 25.3.0.

🛡️ 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 'node' . against your dependency files (package-lock.json, requirements.txt, go.sum) to find affected services.

Response actions

Concrete steps and command examples for SOC/SRE teams to execute in order

  1. 1
    Identify exposure identify 
    grep -r 'node' . | 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 node を grep し、稼働しているサービス・バージョンを把握する。

  2. 2
    Apply patch patch 
    Upgrade node to 20.20.0, 22.22.0, 24.13.0, 25.3.0

    ステージング環境で 20.20.0, 22.22.0, 24.13.0, 25.3.0 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を含めること。

  3. 3
    Post-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。本番ではアクセスログ・WAF でアラート再発が無いか継続監視。

Affected packages

Bitnami node
[{"type":"SEMVER","events":[{"introduced":"0"},{"fixed":"20.20.0"},{"introduced":"21.0.0"},{"fixed":"22.22.0"},{"introduced":"23.0.0"},{"fixed":"24.13.0"},{"introduced":"25.0.0"},{"fixed":"25.3.0"}]}]
Bitnami node-min
[{"type":"SEMVER","events":[{"introduced":"0"},{"fixed":"20.20.0"},{"introduced":"21.0.0"},{"fixed":"22.22.0"},{"introduced":"23.0.0"},{"fixed":"24.13.0"},{"introduced":"25.0.0"},{"fixed":"25.3.0"}]}]

Fix status by distribution

Fixed packages published by each distribution for this CVE

References

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