Common Problems

AlmaLinux 8 — harfbuzz — vulnerability — patch and remediation guide — diagnosis and fix on AlmaLinux 8

AlmaLinux 8 — harfbuzz — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: AlmaLinux 8 📖 ~4 min read  •  Source: AlmaLinux ALSA ALSA-2024:2980 Related CVEs: CVE-2023-25193 Upstream summary: HarfBuzz is an implementation of the OpenType Layout engine. Security Fix(es): * harfbuzz: allows attackers to trigger O(n^2) growth via consecutive marks (CVE-2023-25193) For more details […]

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

Debian 12 — lsyncd — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 26 July 2023 Affected versions: Debian 12 (bookworm) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2014-8990 Upstream summary: default-rsyncssh.lua in Lsyncd 2.1.5 and earlier allows remote attackers to execute arbitrary commands via shell metacharacters in a filename. Table of contents Symptom & Impact […]

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NetBSD 9.4 — ruby-rack-ssl — vulnerability — patch and remediation guide — diagnosis and fix on NetBSD 9.4

NetBSD 9.4 — ruby-rack-ssl — vulnerability — patch and remediation guide

🟡 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-2014-2538 Upstream summary: pkgsrc audit-packages flagged ruby{193,200,21}-rack-ssl<1.3.3nb2 for vulnerability class 'cross-site-scripting'. Reference: https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2014-2538 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis […]

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

Debian 12 — mozc — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 26 July 2023 Affected versions: Debian 12 (bookworm) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2013-4509 Upstream summary: The default configuration of IBUS 1.5.4, and possibly 1.5.2 and earlier, when IBus.InputPurpose.PASSWORD is not set and used with GNOME 3, does not obscure the […]

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

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

🟡 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-2019-1000018 CVE-2019-3463 CVE-2019-3464 Upstream summary: pkgsrc audit-packages flagged rssh<2.2.2 for vulnerability class 'arbitrary-command-execution'. Reference: http://www.pizzashack.org/rssh/security.shtml Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage […]

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

Debian 12 — crmsh — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 26 July 2023 Affected versions: Debian 12 (bookworm) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2020-35459 Upstream summary: An issue was discovered in ClusterLabs crmsh through 4.2.1. Local attackers able to call "crm history" (when "crm" is run) were able to execute commands […]

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NetBSD 9.4 — pcal — vulnerability — patch and remediation guide — diagnosis and fix on NetBSD 9.4

NetBSD 9.4 — pcal — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: NetBSD 9.4 📖 ~4 min read  •  Source: pkgsrc audit-packages entry Upstream summary: pkgsrc audit-packages flagged pcal<4.7nb1 for vulnerability class 'buffer-overrun'. Reference: https://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2004-1289 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary […]

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NetBSD 9.4 — p5-LWP-Protocol-https — vulnerability — patch and remediation guide — diagnosis and fix on NetBSD 9.4

NetBSD 9.4 — p5-LWP-Protocol-https — vulnerability — patch and remediation guide

🟡 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-2014-3230 Upstream summary: pkgsrc audit-packages flagged p5-LWP-Protocol-https>=6.04<6.04nb1 for vulnerability class 'man-in-the-middle-attack'. Reference: https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2014-3230 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis […]

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

Debian 12 — libast — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 26 July 2023 Affected versions: Debian 12 (bookworm) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2006-0224 Upstream summary: Buffer overflow in Library of Assorted Spiffy Things (LibAST) 0.6.1 and earlier, as used in Eterm and possibly other software, allows local users to execute […]

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

Debian 12 — purity — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 26 July 2023 Affected versions: Debian 12 (bookworm) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2002-1124 Upstream summary: Multiple buffer overflows in purity 1-16 allow local users to gain privileges and modify high scores tables. Table of contents Symptom & Impact Environment & […]

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