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CVE-2026-23244
high
CVSS 7.1
Out-of-Bounds Read in c (CVE-2026-23244)
Summary
vulnerability in c (CVE-2026-23244). Confidential information can be exposed externally.
AI summary snake-internal / snake-material-v2
A vulnerability tracked as **CVE-2026-23244** has been found in c.
Confidential information can be exposed externally. CVSS score: 7.1/10.
What to do: apply the vendor's official patched release.
If unsure, ask your IT team or search "c CVE-2026-23244" on the vendor's site.
CVE-2026-23244 (c) — CWE-125 / CVSS v3 7.1
Attack vector: local / 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 c.
📍 Affected scope
c — .
🔥 Severity
Severity: High (CVSS 7.1/10). Confidential information can be exposed externally
🔧 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 'c' .` 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 'c' . | 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 `c` 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://git.kernel.org/stable/c/15fb6d627484ee39ed73e202ef4720e1fa5c898e
- web https://git.kernel.org/stable/c/5a501379a010690ae9ae88bef62a1bae1aca32e6
- web https://git.kernel.org/stable/c/baef52d80093bd686e70b3cb7e0512a40ae76705
- web https://git.kernel.org/stable/c/c3320153769f05fd7fe9d840cb555dd3080ae424
- web https://git.kernel.org/stable/c/e42ff5abbd14927553b624c0e06d24df76156fe6
- web https://nvd.nist.gov/vuln/detail/CVE-2026-23244
- web https://github.com/advisories/GHSA-h4w6-67wq-xf89