Common Problems

Debian 12 — llvm-toolchain-15 — multiple vulnerabilities (10 CVEs) — patch and remediation guide — diagnosis and fix on Debian 12

Debian 12 — llvm-toolchain-15 — multiple vulnerabilities (10 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 12 December 2023 Affected versions: Debian 12 (bookworm) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2023-26924 CVE-2023-29932 CVE-2023-29933 CVE-2023-29934 CVE-2023-29935 CVE-2023-29939 CVE-2023-29941 CVE-2023-29942  +2 more Upstream summary: LLVM a0dab4950 has a segmentation fault in mlir::outlineSingleBlockRegion. NOTE: third parties dispute this because the LLVM […]

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NetBSD 9.4 — librecad — multiple vulnerabilities (7 CVEs) — patch and remediation guide — diagnosis and fix on NetBSD 9.4

NetBSD 9.4 — librecad — multiple vulnerabilities (7 CVEs) — patch and remediation guide

🟠 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-2021-21900 CVE-2021-45341 CVE-2021-21899 CVE-2021-21898 CVE-2021-45342 CVE-2018-19105 CVE-2021-45343 Upstream summary: pkgsrc audit-packages flagged librecad-[0-9]* for vulnerability class 'use-after-free'. Reference: https://nvd.nist.gov/vuln/detail/CVE-2021-21900 Table of contents Symptom & Impact Environment & Reproduction Root […]

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Debian 12 — arj — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on Debian 12

Debian 12 — arj — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 12 December 2023 Affected versions: Debian 12 (bookworm) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2015-0556 CVE-2015-0557 CVE-2015-2782 Upstream summary: Open-source ARJ archiver 3.10.22 allows remote attackers to conduct directory traversal attacks via a symlink attack in an ARJ archive. Table of contents […]

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

NetBSD 9.4 — kdewebdev — vulnerability — patch and remediation guide

🟠 High   ⏱ 15–60 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 kdewebdev<3.3.2nb1 for vulnerability class 'remote-code-execution'. Reference: http://www.kde.org/info/security/advisory-20050420-1.txt Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary […]

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

Debian 12 — litecoin — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 12 December 2023 Affected versions: Debian 12 (bookworm) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2018-17144 Upstream summary: Bitcoin Core 0.14.x before 0.14.3, 0.15.x before 0.15.2, and 0.16.x before 0.16.3 and Bitcoin Knots 0.14.x through 0.16.x before 0.16.3 allow a remote denial of […]

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Debian 12 — arc — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on Debian 12

Debian 12 — arc — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 12 December 2023 Affected versions: Debian 12 (bookworm) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2005-2945 CVE-2005-2992 CVE-2015-9275 Upstream summary: arc 5.21j and earlier create temporary files with world-readable permissions, which allows local users to read sensitive information from files created by (1) […]

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Common Problems 120101

Debian 12 – Conflicting Time Services Cause Unstable Sync – Single Authority Model

🟡 Medium   ⏱ 5–30 min  Last verified: 12 December 2023 Affected versions: Debian 12 📖 ~1 min read Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & Acceptance Criteria Rollback Plan Prevention & Hardening Related Errors & […]

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NetBSD 9.4 — ja-ptex-bin — vulnerability — patch and remediation guide — diagnosis and fix on NetBSD 9.4

NetBSD 9.4 — ja-ptex-bin — vulnerability — patch and remediation guide

🟠 High   ⏱ 15–60 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 ja-ptex-bin-[0-9]* for vulnerability class 'remote-manipulation-of-data'. Reference: http://secunia.com/advisories/30168/ Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary […]

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Amazon Linux 2023 — autotrace — multiple vulnerabilities (4 CVEs) — patch and remediation guide — diagnosis and fix on Amazon Linux 2023

Amazon Linux 2023 — autotrace — multiple vulnerabilities (4 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Amazon Linux 2023 📖 ~4 min read  •  Source: Amazon Linux advisory ALAS2023-2023-004 Related CVEs: CVE-2017-9182 CVE-2019-19004 CVE-2019-19005 CVE-2022-32323 Upstream summary: A biWidth*biBitCnt integer overflow in input-bmp.c in autotrace 0.31.1 allows attackers to provide an unexpected input value to malloc via a […]

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FreeBSD 14 — py39-borgbackup — vulnerability — patch and remediation guide — diagnosis and fix on FreeBSD 14

FreeBSD 14 — py39-borgbackup — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 11 December 2023 Affected versions: FreeBSD 14 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: Borg (Backup) — flaw in cryptographic authentication scheme in Borg allowed an attacker to fake archives and indirectly cause backup data loss. Related CVEs: CVE-2023-36811 Upstream summary: Thomas Waldmann reports: […]

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