Security Hardening

Debian 12 — razor — vulnerability — patch and remediation guide — diagnosis and fix on Debian 12

Debian 12 — razor — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: Debian 12 (bookworm) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2005-2024 Upstream summary: Vipul Razor Agents (razor-agents) before 2.70 allows remote attackers to cause a denial of service via (1) certain "unusual HTML messages" or (2) "certain malformed […]

Read more
Debian 11 — node-multiparty — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — node-multiparty — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2026-8159 CVE-2026-8161 CVE-2026-8162 Upstream summary: [email protected] and lower versions are vulnerable to denial of service via regular expression backtracking in the Content-Disposition filename parameter parser. A crafted multipart […]

Read more
Debian 13 — node-ejs — multiple vulnerabilities (6 CVEs) — patch and remediation guide — diagnosis and fix on Debian 13

Debian 13 — node-ejs — multiple vulnerabilities (6 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Debian 13 (trixie) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2017-1000188 CVE-2017-1000189 CVE-2017-1000228 CVE-2022-29078 CVE-2023-29827 CVE-2024-33883 Upstream summary: nodejs ejs version older than 2.5.5 is vulnerable to a Cross-site-scripting in the ejs.renderFile() resulting in code injection Table of […]

Read more
Debian 10 — mat2 — vulnerability — patch and remediation guide — diagnosis and fix on Debian 10

Debian 10 — mat2 — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: Debian 10 (buster) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2022-35410 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & Acceptance […]

Read more
Debian 10 — bird — vulnerability — patch and remediation guide — diagnosis and fix on Debian 10

Debian 10 — bird — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: Debian 10 (buster) 📖 ~4 min read  •  Source: Debian Security Tracker Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & Acceptance Criteria Rollback Plan […]

Read more
Debian 11 — libauthen-sasl-perl — vulnerability — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — libauthen-sasl-perl — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2025-40918 Upstream summary: Authen::SASL::Perl::DIGEST_MD5 versions 2.04 through 2.1800 for Perl generates the cnonce insecurely. The cnonce (client nonce) is generated from an MD5 hash of the PID, the […]

Read more
Debian 12 — ruby-doorkeeper-openid-connect — vulnerability — patch and remediation guide — diagnosis and fix on Debian 12

Debian 12 — ruby-doorkeeper-openid-connect — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: Debian 12 (bookworm) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2019-9837 Upstream summary: Doorkeeper::OpenidConnect (aka the OpenID Connect extension for Doorkeeper) 1.4.x and 1.5.x before 1.5.4 has an open redirect via the redirect_uri field in an OAuth authorization […]

Read more
CHAT