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CVE-2026-10275
medium
CVSS 5.0
Buffer Overflow in c (CVE-2026-10275)
Summary
vulnerability in c (CVE-2026-10275). Risk of unauthorized operations or information disclosure.
AI summary snake-internal / snake-material-v2
A vulnerability tracked as **CVE-2026-10275** has been found in c.
Risk of unauthorized operations or information disclosure. CVSS score: 5.0/10.
What to do: apply the vendor's official patched release.
If unsure, ask your IT team or search "c CVE-2026-10275" on the vendor's site.
CVE-2026-10275 (c) — CWE-119 / CVSS v3 5.0
Attack vector: remote (network-reachable) / unauthenticated
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-119) exists in c.
📍 Affected scope
c — .
🔥 Severity
Severity: Medium (CVSS 5.0/10). Risk of unauthorized operations or information disclosure
🔧 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
-
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。
-
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 [email protected]
- web https://github.com/OpenSC/OpenSC/commit/814f745b3b6d100295f65f1935edd33d520d33ab
- web https://github.com/OpenSC/OpenSC/issues/3682
- web https://github.com/OpenSC/OpenSC/pull/3684
- web https://pan.baidu.com/s/1nrZPKDz2eAcCpsaFiIRlrg
- web https://vuldb.com/cve/CVE-2026-10275
- web https://vuldb.com/submit/825403
- web https://vuldb.com/vuln/367568
- web https://vuldb.com/vuln/367568/cti
- web https://nvd.nist.gov/vuln/detail/CVE-2026-10275
- web https://github.com/OpenSC/OpenSC
- web https://github.com/advisories/GHSA-c758-vvqj-x96q