Vulnerability in postgresql-14 (USN-8294-1)

Summary

vulnerability in postgresql-14 (USN-8294-1). Risk of unauthorized operations or information disclosure. Mitigation: upgrade to `14.23-0ubuntu0.22.04.1` or later.

AI summary snake-internal / snake-material-v2

A vulnerability tracked as **USN-8294-1** has been found in postgresql-14. Risk of unauthorized operations or information disclosure. CVSS score: ?/10. What to do: upgrade postgresql-14 to **14.23-0ubuntu0.22.04.1** or later. If unsure, ask your IT team or search "postgresql-14 USN-8294-1" on the vendor's site.

USN-8294-1 (postgresql-14) — Patched: `14.23-0ubuntu0.22.04.1` — 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 postgresql-14.

📍 Affected scope

postgresql-14 — .

🔥 Severity

Severity: ?. Risk of unauthorized operations or information disclosure

🔧 How to fix

Update to **14.23-0ubuntu0.22.04.1**.

🛡️ 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 'postgresql-14' .` 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

1
Identify exposure identify
```
grep -r 'postgresql-14' . | 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 `postgresql-14` を grep し、稼働しているサービス・バージョンを把握する。
6
Apply patch patch
```
Upgrade postgresql-14 to 14.23-0ubuntu0.22.04.1
```
ステージング環境で 14.23-0ubuntu0.22.04.1 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。
7
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 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:22.04:LTS postgresql-14

[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"14.23-0ubuntu0.22.04.1"}]}]

Ubuntu:24.04:LTS postgresql-16

[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"16.14-0ubuntu0.24.04.1"}]}]

Ubuntu:25.10 postgresql-17

[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"17.10-0ubuntu0.25.10.1"}]}]

Ubuntu:26.04:LTS postgresql-18

[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"18.4-0ubuntu0.26.04.1"}]}]

References

advisory https://ubuntu.com/security/notices/USN-8294-1
report https://ubuntu.com/security/CVE-2026-6472
report https://ubuntu.com/security/CVE-2026-6473
report https://ubuntu.com/security/CVE-2026-6474
report https://ubuntu.com/security/CVE-2026-6475
report https://ubuntu.com/security/CVE-2026-6476
report https://ubuntu.com/security/CVE-2026-6477
report https://ubuntu.com/security/CVE-2026-6478
report https://ubuntu.com/security/CVE-2026-6479
report https://ubuntu.com/security/CVE-2026-6575
report https://ubuntu.com/security/CVE-2026-6637
report https://ubuntu.com/security/CVE-2026-6638