Package Management

NetBSD 9.4 — dovecot2 — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on NetBSD 9.4

NetBSD 9.4 — dovecot2 — multiple vulnerabilities (3 CVEs) — patch and remediation guide

  • August 6, 2023
  • BSD
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🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: NetBSD 9.4 📖 ~4 min read  •  Source: pkgsrc audit-packages entry Related CVEs: CVE-2019-19722 CVE-2020-7046 CVE-2020-7957 Upstream summary: pkgsrc audit-packages flagged dovecot2<2.3.9.2 for vulnerability class 'null-pointer-dereference'. Reference: https://nvd.nist.gov/vuln/detail/CVE-2019-19722 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage […]

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Ubuntu 22.04 — librsvg — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 22.04

Ubuntu 22.04 — librsvg — vulnerability — patch and remediation guide

  • August 6, 2023
  • Linux
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🟢 Low   ⏱ 5–15 min  Last verified: 6 August 2023 Affected versions: Ubuntu 22.04 (jammy) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-6266-1 Related CVEs: CVE-2023-38633 Upstream summary: Zac Sims discovered that librsvg incorrectly handled decoding URLs. A remote attacker could possibly use this issue to read arbitrary files by using an […]

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NetBSD 9.4 — cfitsio — multiple vulnerabilities (5 CVEs) — patch and remediation guide — diagnosis and fix on NetBSD 9.4

NetBSD 9.4 — cfitsio — multiple vulnerabilities (5 CVEs) — patch and remediation guide

  • August 6, 2023
  • BSD
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🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: NetBSD 9.4 📖 ~4 min read  •  Source: pkgsrc audit-packages entry Related CVEs: CVE-2018-3846 CVE-2018-3848 CVE-2018-3849 CVE-2018-3847 CVE-2019-1010060 Upstream summary: pkgsrc audit-packages flagged cfitsio<3.43 for vulnerability class 'stack-overflow'. Reference: https://nvd.nist.gov/vuln/detail/CVE-2018-3846 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis […]

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Ubuntu 22.04 — libcue — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 22.04

Ubuntu 22.04 — libcue — vulnerability — patch and remediation guide

  • August 6, 2023
  • Linux
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🟢 Low   ⏱ 5–15 min  Last verified: 6 August 2023 Affected versions: Ubuntu 22.04 (jammy) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-6423-1 Related CVEs: CVE-2023-43641 Upstream summary: It was discovered that CUE incorrectly handled certain files. An attacker could possibly use this issue to expose sensitive information or execute arbitrary code. […]

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NetBSD 9.4 — xentools41 — multiple vulnerabilities (6 CVEs) — patch and remediation guide — diagnosis and fix on NetBSD 9.4

NetBSD 9.4 — xentools41 — multiple vulnerabilities (6 CVEs) — patch and remediation guide

  • August 6, 2023
  • BSD
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🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: NetBSD 9.4 📖 ~4 min read  •  Source: pkgsrc audit-packages entry Related CVEs: CVE-2012-6075 CVE-2013-2072 CVE-2013-2211 CVE-2012-0029 CVE-2012-2625 CVE-2012-4544 Upstream summary: pkgsrc audit-packages flagged xentools41<4.1.4nb1 for vulnerability class 'remote-system-access'. Reference: https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2012-6075 Table of contents Symptom & Impact Environment & Reproduction Root Cause […]

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Ubuntu 20.04 — espeak-ng — multiple vulnerabilities (5 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 20.04

Ubuntu 20.04 — espeak-ng — multiple vulnerabilities (5 CVEs) — patch and remediation guide

  • August 6, 2023
  • Linux
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🟡 Medium   ⏱ 10–30 min  Last verified: 6 August 2023 Affected versions: Ubuntu 20.04 (focal) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-6858-1 Related CVEs: CVE-2023-49990 CVE-2023-49991 CVE-2023-49992 CVE-2023-49993 CVE-2023-49994 Upstream summary: It was discovered that eSpeak NG did not properly manage memory under certain circumstances. An attacker could possibly use this […]

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Oracle Linux 9 — curl — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 9

Oracle Linux 9 — curl — vulnerability — patch and remediation guide (ELSA-2023-2650)

  • August 6, 2023
  • Linux
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🟡 Medium   ⏱ 10–30 min  Last verified: 6 August 2023 Affected versions: Oracle Linux 9 📖 ~4 min read  •  Source: ELSA advisory ELSA-2023-2650 Related CVEs: CVE-2023-27535 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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NetBSD 9.4 — wayland — vulnerability — patch and remediation guide — diagnosis and fix on NetBSD 9.4

NetBSD 9.4 — wayland — vulnerability — patch and remediation guide

  • August 6, 2023
  • BSD
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🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: NetBSD 9.4 📖 ~4 min read  •  Source: pkgsrc audit-packages entry Related CVEs: CVE-2021-3782 Upstream summary: pkgsrc audit-packages flagged wayland<1.20.91 for vulnerability class 'use-after-free'. Reference: https://nvd.nist.gov/vuln/detail/CVE-2021-3782 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis […]

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

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

  • August 6, 2023
  • Linux
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🟠 High   ⏱ 15–60 min  Last verified: 6 August 2023 Affected versions: Debian 12 (bookworm) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-1999-0710 CVE-2002-0713 CVE-2002-0714 CVE-2002-0715 CVE-2002-0916 CVE-2004-0189 CVE-2004-0541 CVE-2004-0832  +12 more Upstream summary: The Squid package in Red Hat Linux 5.2 and 6.0, and other distributions, installs cachemgr.cgi in […]

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How to Configure Alertmanager on Debian 12 — step-by-step Debian 12 tutorial on Progressive Robot

How to Configure Alertmanager on Debian 12

  • August 6, 2023
  • Linux
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Introduction How to Configure Alertmanager on Debian 12 is a fundamental operation for any administrator maintaining a Debian 12 Bookworm server. Debian 12 Bookworm 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. This tutorial […]

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