Security Hardening

Amazon Linux 2 — krb5 — multiple vulnerabilities (14 CVEs) — patch and remediation guide — diagnosis and fix on Amazon Linux 2

Amazon Linux 2 — krb5 — multiple vulnerabilities (14 CVEs) — patch and remediation guide

  • September 11, 2025
  • Linux
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🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Amazon Linux 2 📖 ~4 min read  •  Source: Amazon Linux advisory ALAS2-2023-1915 Related CVEs: CVE-2022-42898 CVE-2025-24528 CVE-2025-3576 CVE-2024-37370 CVE-2024-37371 CVE-2024-26458 CVE-2024-26461 CVE-2023-36054  +6 more Upstream summary: Integer overflow vulnerabilities in PAC parsing (CVE-2022-42898) Table of contents Symptom & Impact Environment & […]

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Debian 13 — yasm — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Debian 13

Debian 13 — yasm — multiple vulnerabilities (20 CVEs) — patch and remediation guide

  • September 11, 2025
  • Linux
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🟠 High   ⏱ 15–60 min  Last verified: 11 September 2025 Affected versions: Debian 13 (trixie) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2021-33454 CVE-2021-33455 CVE-2021-33456 CVE-2021-33457 CVE-2021-33458 CVE-2021-33459 CVE-2021-33460 CVE-2021-33461  +12 more Upstream summary: An issue was discovered in yasm version 1.3.0. There is a NULL pointer dereference in yasm_expr_get_intnum() […]

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How to Install BIND9 DNS Server on Debian 13 — step-by-step Debian 13 tutorial on Progressive Robot

How to Install BIND9 DNS Server on Debian 13

  • September 11, 2025
  • Linux
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Introduction How to Install BIND9 DNS Server on Debian 13 is a fundamental operation for any administrator maintaining a Debian 13 Trixie server. Debian 13 Trixie ships with the Linux 6.12 kernel, updated toolchains, and a fully refreshed package archive — meaning version numbers, configuration file paths, and some dependency chains differ from Debian 12. […]

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Alpine Linux 3.20 — navidrome — vulnerability — patch and remediation guide — diagnosis and fix on Alpine Linux 3.20

Alpine Linux 3.20 — navidrome — vulnerability — patch and remediation guide

  • September 11, 2025
  • Linux
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🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Alpine Linux 3.20 / fixed in 0.47.5-r0 📖 ~4 min read  •  Source: Alpine secdb entry — navidrome 0.47.5-r0 Related CVEs: CVE-2022-23857 Upstream summary: Alpine community repository for vv3.20 ships navidrome 0.47.5-r0 which addresses CVE-2022-23857. Table of contents Symptom & Impact Environment […]

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

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

  • September 11, 2025
  • Linux
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🟢 Low   ⏱ 5–15 min  Last verified: 11 September 2025 Affected versions: Debian 13 (trixie) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2008-2958 CVE-2020-25031 Upstream summary: Race condition in (1) checkinstall 1.6.1 and (2) installwatch allows local users to overwrite arbitrary files and have other impacts via symlink and possibly […]

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Debian 13 — sarg — multiple vulnerabilities (6 CVEs) — patch and remediation guide — diagnosis and fix on Debian 13

Debian 13 — sarg — multiple vulnerabilities (6 CVEs) — patch and remediation guide

  • September 11, 2025
  • Linux
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🟡 Medium   ⏱ 10–30 min  Last verified: 11 September 2025 Affected versions: Debian 13 (trixie) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2008-1167 CVE-2008-1168 CVE-2008-1922 CVE-2008-7249 CVE-2008-7250 CVE-2019-18932 Upstream summary: Stack-based buffer overflow in the useragent function in useragent.c in Squid Analysis Report Generator (Sarg) 2.2.3.1 allows remote attackers to […]

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Alpine Linux 3.20 — csync2 — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Alpine Linux 3.20

Alpine Linux 3.20 — csync2 — multiple vulnerabilities (2 CVEs) — patch and remediation guide

  • September 11, 2025
  • Linux
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🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Alpine Linux 3.20 / fixed in 2.0-r3 📖 ~4 min read  •  Source: Alpine secdb entry — csync2 2.0-r3 Related CVEs: CVE-2019-15522 CVE-2019-15523 Upstream summary: Alpine community repository for vv3.20 ships csync2 2.0-r3 which addresses CVE-2019-15522. Table of contents Symptom & Impact […]

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Debian 13 — ogre-1.12 — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on Debian 13

Debian 13 — ogre-1.12 — multiple vulnerabilities (3 CVEs) — patch and remediation guide

  • September 11, 2025
  • Linux
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🟡 Medium   ⏱ 10–30 min  Last verified: 11 September 2025 Affected versions: Debian 13 (trixie) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2025-11014 CVE-2025-11015 CVE-2025-11017 Upstream summary: A security flaw has been discovered in OGRECave Ogre up to 14.4.1. This issue affects the function STBIImageCodec::encode of the file /ogre/PlugIns/STBICodec/src/OgreSTBICodec.cpp of […]

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Alpine Linux 3.20 — axel — vulnerability — patch and remediation guide — diagnosis and fix on Alpine Linux 3.20

Alpine Linux 3.20 — axel — vulnerability — patch and remediation guide

  • September 11, 2025
  • Linux
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🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Alpine Linux 3.20 / fixed in 2.17.8-r0 📖 ~4 min read  •  Source: Alpine secdb entry — axel 2.17.8-r0 Related CVEs: CVE-2020-13614 Upstream summary: Alpine main repository for vv3.20 ships axel 2.17.8-r0 which addresses CVE-2020-13614. Table of contents Symptom & Impact Environment […]

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SLES 15 — tack — multiple vulnerabilities (9 CVEs) — patch and remediation guide — diagnosis and fix on SLES 15

SLES 15 — tack — multiple vulnerabilities (9 CVEs) — patch and remediation guide

  • September 11, 2025
  • Linux
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🟡 Medium   ⏱ 10–30 min  Last verified: 11 September 2025 Affected versions: SLES 15 📖 ~4 min read  •  Source: SUSE advisory RHSA-2026:5913 (see also SUSE bugzilla) Related CVEs: CVE-2025-69720 CVE-2023-50495 CVE-2023-29491 CVE-2022-29458 CVE-2021-39537 CVE-2018-19211 CVE-2019-17594 CVE-2019-17595  +1 more Upstream summary: The infocmp command-line tool in ncurses before 6.5-20251213 has a stack-based buffer overflow […]

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