Security Hardening

Debian 13 — postgresql-plsh — vulnerability — patch and remediation guide — diagnosis and fix on Debian 13

Debian 13 — postgresql-plsh — vulnerability — 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-2014-0061 Upstream summary: The validator functions for the procedural languages (PLs) in PostgreSQL before 8.4.20, 9.0.x before 9.0.16, 9.1.x before 9.1.12, 9.2.x before 9.2.7, and 9.3.x before 9.3.3 […]

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Debian 12 — php-guzzlehttp-psr7 — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Debian 12

Debian 12 — php-guzzlehttp-psr7 — 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-2022-24775 CVE-2023-29197 Upstream summary: guzzlehttp/psr7 is a PSR-7 HTTP message library. Versions prior to 1.8.4 and 2.1.1 are vulnerable to improper header parsing. An attacker could sneak in […]

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Debian 13 — unrar-free — multiple vulnerabilities (5 CVEs) — patch and remediation guide — diagnosis and fix on Debian 13

Debian 13 — unrar-free — multiple vulnerabilities (5 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-2017-11189 CVE-2017-11190 CVE-2017-14120 CVE-2017-14121 CVE-2017-14122 Upstream summary: unrarlib.c in unrar-free 0.0.1 might allow remote attackers to cause a denial of service (NULL pointer dereference and application crash), which […]

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

Debian 13 — mold — 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-2026-3994 Upstream summary: A vulnerability was detected in rui314 mold up to 2.40.4. This issue affects the function mold::ObjectFilemold::X86_64::initialize_sections of the file src/input-files.cc of the component Object File Handler. […]

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

Debian 12 — uimaj — 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-2017-15691 Upstream summary: In Apache uimaj prior to 2.10.2, Apache uimaj 3.0.0-xxx prior to 3.0.0-beta, Apache uima-as prior to 2.10.2, Apache uimaFIT prior to 2.4.0, Apache uimaDUCC prior […]

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Debian 11 — libtemplate-perl — vulnerability — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — libtemplate-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-2026-5090 Upstream summary: Template::Plugin::HTML versions through 3.102 for Perl allows HTML and JavaScript to be injected. The html_filter function did not escape single quotes. HTML attributes inside of […]

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Debian 13 — libquartz-java — vulnerability — patch and remediation guide — diagnosis and fix on Debian 13

Debian 13 — libquartz-java — 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-2019-13990 Upstream summary: initDocumentParser in xml/XMLSchedulingDataProcessor.java in Terracotta Quartz Scheduler through 2.3.0 allows XXE attacks via a job description. Table of contents Symptom & Impact Environment & Reproduction Root […]

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Debian 11 — python-pyrdfa — vulnerability — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — python-pyrdfa — 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-2022-4396 Upstream summary: A vulnerability was found in RDFlib pyrdfa3 and classified as problematic. This issue affects the function _get_option of the file pyRdfa/__init__.py. The manipulation leads to […]

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

Debian 11 — catimg — 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-2018-13794 Upstream summary: A heap-based buffer overflow exists in stbi__bmp_load_cont in stb_image.h in catimg 2.4.0. Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick […]

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