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MGASA-2026-0165
Vulnerability in nspr (MGASA-2026-0165)
Summary
vulnerability in nspr (MGASA-2026-0165). Risk of unauthorized operations or information disclosure. Mitigation: upgrade to `4.39.0-1.mga9` or later.
AI summary snake-internal / snake-material-v2
A vulnerability tracked as **MGASA-2026-0165** has been found in nspr.
Risk of unauthorized operations or information disclosure. CVSS score: ?/10.
What to do: upgrade nspr to **4.39.0-1.mga9** or later.
If unsure, ask your IT team or search "nspr MGASA-2026-0165" on the vendor's site.
MGASA-2026-0165 (nspr) —
Patched: `4.39.0-1.mga9` — 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 nspr.
📍 Affected scope
nspr — .
🔥 Severity
Severity: ?. Risk of unauthorized operations or information disclosure
🔧 How to fix
Update to **4.39.0-1.mga9**.
🛡️ 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 'nspr' .` 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 'nspr' . | 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 `nspr` を grep し、稼働しているサービス・バージョンを把握する。
-
6Apply patch patch
Upgrade nspr to 4.39.0-1.mga9ステージング環境で 4.39.0-1.mga9 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。
-
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。
Affected packages
Mageia:9
nspr
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.39.0-1.mga9"}]}]
Mageia:9
nss
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.124.0-1.mga9"}]}]
Mageia:9
firefox
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"140.11.0-1.mga9"}]}]
Mageia:9
firefox-l10n
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"140.11.0-1.mga9"}]}]
References
- advisory https://advisories.mageia.org/MGASA-2026-0165.html
- advisory https://www.mozilla.org/en-US/security/advisories/mfsa2026-48/
- report https://bugs.mageia.org/show_bug.cgi?id=35555
- web https://groups.google.com/a/mozilla.org/g/dev-tech-crypto/c/S3z0rOO1xpg
- web https://firefox-source-docs.mozilla.org/security/nss/releases/nss_3_124.html
- web https://www.firefox.com/en-US/firefox/140.11.0/releasenotes/