Security Hardening

Debian 11 — paste — vulnerability — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — paste — 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-2010-2477 Upstream summary: Multiple cross-site scripting (XSS) vulnerabilities in the paste.httpexceptions implementation in Paste before 1.7.4 allow remote attackers to inject arbitrary web script or HTML via vectors […]

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Debian 13 — libapache2-mod-auth-mellon — multiple vulnerabilities (9 CVEs) — patch and remediation guide — diagnosis and fix on Debian 13

Debian 13 — libapache2-mod-auth-mellon — multiple vulnerabilities (9 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-2014-8566 CVE-2014-8567 CVE-2016-2145 CVE-2016-2146 CVE-2017-6807 CVE-2019-13038 CVE-2019-3877 CVE-2019-3878  +1 more Upstream summary: The mod_auth_mellon module before 0.8.1 allows remote attackers to obtain sensitive information or cause a denial […]

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Debian 11 — lrzsz — vulnerability — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — lrzsz — 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-2018-10195 Upstream summary: lrzsz before version 0.12.21~rc can leak information to the receiving side due to an incorrect length check in the function zsdata that causes a size_t […]

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Debian 13 — tightvnc — multiple vulnerabilities (10 CVEs) — patch and remediation guide — diagnosis and fix on Debian 13

Debian 13 — tightvnc — multiple vulnerabilities (10 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Debian 13 (trixie) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2002-1336 CVE-2014-6053 CVE-2018-20021 CVE-2018-20022 CVE-2018-7225 CVE-2019-15678 CVE-2019-15679 CVE-2019-15680  +2 more Upstream summary: TightVNC before 1.2.6 generates the same challenge string for multiple connections, which allows remote attackers to […]

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Debian 13 — node-xmlhttprequest — vulnerability — patch and remediation guide — diagnosis and fix on Debian 13

Debian 13 — node-xmlhttprequest — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: Debian 13 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2020-28502 Upstream summary: This affects the package xmlhttprequest before 1.7.0; all versions of package xmlhttprequest-ssl. Provided requests are sent synchronously (async=False on xhr.open), malicious user input flowing into xhr.send […]

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Debian 13 — libplack-perl — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Debian 13

Debian 13 — libplack-perl — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: Debian 13 (trixie) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2014-5269 CVE-2026-7381 Upstream summary: Plack::App::File in Plack before 1.0031 removes trailing slash characters from paths, which allows remote attackers to bypass the whitelist of generated files and obtain […]

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Debian 11 — wml — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — wml — multiple vulnerabilities (2 CVEs) — 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-2008-0665 CVE-2008-0666 Upstream summary: wml_backend/p1_ipp/ipp.src in Website META Language (WML) 2.0.11 allows local users to overwrite arbitrary files via a symlink attack on the ipp.$$.tmp temporary file. Table […]

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Debian 11 — ruby-doorkeeper — multiple vulnerabilities (5 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — ruby-doorkeeper — multiple vulnerabilities (5 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-2016-6582 CVE-2018-1000088 CVE-2018-1000211 CVE-2020-10187 CVE-2023-34246 Upstream summary: The Doorkeeper gem before 4.2.0 for Ruby might allow remote attackers to conduct replay attacks or revoke arbitrary tokens by leveraging […]

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Debian 11 — mm — vulnerability — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — mm — 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-2002-0658 Upstream summary: OSSP mm library (libmm) before 1.2.0 allows the local Apache user to gain privileges via temporary files, possibly via a symbolic link attack. Table of […]

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Debian 13 — samtools — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Debian 13

Debian 13 — samtools — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: Debian 13 (trixie) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2026-31972 CVE-2026-31973 Upstream summary: SAMtools is a program for reading, manipulating and writing bioinformatics file formats. The `mpileup` command outputs DNA sequences that have been aligned against a […]

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