Security Hardening

Debian 13 — context — vulnerability — patch and remediation guide — diagnosis and fix on Debian 13

Debian 13 — context — 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-2017-17513 Upstream summary: TeX Live through 20170524 does not validate strings before launching the program specified by the BROWSER environment variable, which might allow remote attackers to conduct argument-injection […]

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Debian 11 — connman — multiple vulnerabilities (16 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — connman — multiple vulnerabilities (16 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2012-2320 CVE-2012-2321 CVE-2012-2322 CVE-2012-6459 CVE-2017-12865 CVE-2021-26675 CVE-2021-26676 CVE-2021-33833  +8 more Upstream summary: ConnMan before 0.85 does not ensure that netlink messages originate from the kernel, which allows remote […]

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Debian 13 — nip2 — vulnerability — patch and remediation guide — diagnosis and fix on Debian 13

Debian 13 — nip2 — 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-2017-17514 Upstream summary: boxes.c in nip2 8.4.0 does not validate strings before launching the program specified by the BROWSER environment variable, which might allow remote attackers to conduct argument-injection […]

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Debian 11 — libwebp — multiple vulnerabilities (16 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — libwebp — multiple vulnerabilities (16 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2012-5127 CVE-2016-9085 CVE-2016-9969 CVE-2018-25009 CVE-2018-25010 CVE-2018-25011 CVE-2018-25012 CVE-2018-25013  +8 more Upstream summary: Integer overflow in Google Chrome before 23.0.1271.64 allows remote attackers to cause a denial of service […]

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Debian 12 — glusterfs — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Debian 12

Debian 12 — glusterfs — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Debian 12 (bookworm) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2012-4417 CVE-2012-5635 CVE-2014-3619 CVE-2017-15096 CVE-2018-10841 CVE-2018-1088 CVE-2018-10904 CVE-2018-10907  +12 more Upstream summary: GlusterFS 3.3.0, as used in Red Hat Storage server 2.0, allows local users to overwrite arbitrary […]

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Debian 12 — php-getid3 — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Debian 12

Debian 12 — php-getid3 — multiple vulnerabilities (2 CVEs) — 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-2014-2053 CVE-2021-40926 Upstream summary: getID3() before 1.9.8, as used in ownCloud Server before 5.0.15 and 6.0.x before 6.0.2, allows remote attackers to read arbitrary files, cause a denial […]

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Debian 13 — swaylock — vulnerability — patch and remediation guide — diagnosis and fix on Debian 13

Debian 13 — swaylock — 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-2022-26530 Upstream summary: swaylock before 1.6 allows attackers to trigger a crash and achieve unlocked access to a Wayland compositor. Table of contents Symptom & Impact Environment & Reproduction […]

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Debian 12 — perltidy — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Debian 12

Debian 12 — perltidy — multiple vulnerabilities (2 CVEs) — 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-2014-2277 CVE-2016-10374 Upstream summary: The make_temporary_filename function in perltidy 20120701-1 and earlier allows local users to obtain sensitive information or write to arbitrary files via a symlink attack, […]

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Debian 9 — ldap-account-manager — vulnerability — patch and remediation guide — diagnosis and fix on Debian 9

Debian 9 — ldap-account-manager — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: Debian 9 (stretch) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2018-8763 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & Acceptance […]

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