Vulnerability in vim (USN-8500-1)

Summary

vulnerability in vim (USN-8500-1). Risk of unauthorized operations or information disclosure. Mitigation: upgrade to `2:7.4.052-1ubuntu3.1+esm30` or later.

AI summary snake-internal / snake-material-v2

A vulnerability tracked as **USN-8500-1** has been found in vim. Risk of unauthorized operations or information disclosure. CVSS score: ?/10. What to do: upgrade vim to **2:7.4.052-1ubuntu3.1+esm30** or later. If unsure, ask your IT team or search "vim USN-8500-1" on the vendor's site.

USN-8500-1 (vim) — Patched: `2:7.4.052-1ubuntu3.1+esm30` — 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 vim.

📍 Affected scope

vim — .

🔥 Severity

Severity: ?. Risk of unauthorized operations or information disclosure

🔧 How to fix

Update to **2:7.4.052-1ubuntu3.1+esm30**.

🛡️ 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 'vim' .` 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 'vim' . | 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 `vim` 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 vim to 2:7.4.052-1ubuntu3.1+esm30
```
ステージング環境で 2:7.4.052-1ubuntu3.1+esm30 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:Pro:14.04:LTS vim

[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2:7.4.052-1ubuntu3.1+esm30"}]}]

Ubuntu:Pro:16.04:LTS vim

[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2:7.4.1689-3ubuntu1.5+esm36"}]}]

Ubuntu:Pro:18.04:LTS vim

[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2:8.0.1453-1ubuntu1.13+esm21"}]}]

Ubuntu:Pro:20.04:LTS vim

[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2:8.1.2269-1ubuntu5.32+esm9"}]}]

Ubuntu:22.04:LTS vim

[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2:8.2.3995-1ubuntu2.33"}]}]

Ubuntu:24.04:LTS vim

[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2:9.1.0016-1ubuntu7.17"}]}]

Ubuntu:25.10 vim

[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2:9.1.0967-1ubuntu6.8"}]}]

Ubuntu:26.04:LTS vim

[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2:9.1.2141-1ubuntu4.6"}]}]

References

advisory https://ubuntu.com/security/notices/USN-8500-1
report https://ubuntu.com/security/CVE-2026-35177
report https://ubuntu.com/security/CVE-2026-55693
report https://ubuntu.com/security/CVE-2026-55892
report https://ubuntu.com/security/CVE-2026-55895
report https://ubuntu.com/security/CVE-2026-57452
report https://ubuntu.com/security/CVE-2026-57453
report https://ubuntu.com/security/CVE-2026-57455
report https://ubuntu.com/security/CVE-2026-57456