Package Management

Oracle Linux 9 — compat-openssl11 — security and stability fixes — required update — diagnosis and fix on Oracle Linux 9

Oracle Linux 9 — compat-openssl11 — security and stability fixes — required update (ELSA-2022-4899)

🟠 High   ⏱ 15–60 min  Last verified: 12 August 2023 Affected versions: Oracle Linux 9 📖 ~4 min read  •  Source: ELSA advisory ELSA-2022-4899 Related CVEs: CVE-2022-0778 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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Debian 12 — xinetd — multiple vulnerabilities (4 CVEs) — patch and remediation guide — diagnosis and fix on Debian 12

Debian 12 — xinetd — multiple vulnerabilities (4 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 12 August 2023 Affected versions: Debian 12 (bookworm) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2002-0871 CVE-2003-0211 CVE-2012-0862 CVE-2013-4342 Upstream summary: xinetd 2.3.4 leaks file descriptors for the signal pipe to services that are launched by xinetd, which could allow those services to […]

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Debian 12 — ini4j — vulnerability — patch and remediation guide — diagnosis and fix on Debian 12

Debian 12 — ini4j — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 12 August 2023 Affected versions: Debian 12 (bookworm) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2022-41404 Upstream summary: An issue in the fetch() method in the BasicProfile class of org.ini4j through version v0.5.4 allows attackers to cause a Denial of Service (DoS) via […]

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Windows Server 2019 — KB5022894 — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Windows Server 2019

Windows Server 2019 — KB5022894 — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🔴 Critical   ⏱ 15–90 min  Last verified: 25 May 2026 Affected versions: Windows Server 2019 📖 ~4 min read  •  Source: Microsoft KB5022894 • MSRC update-guide entry Related CVEs: CVE-2023-21689 CVE-2023-21690 CVE-2023-21692 CVE-2023-21684 CVE-2023-21701 CVE-2023-21797 CVE-2023-21798 CVE-2023-21799  +12 more Affected components: Windows Server 2019 (Server Core installation) Table of contents Symptom & Impact Environment […]

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Debian 12 — libzypp — multiple vulnerabilities (6 CVEs) — patch and remediation guide — diagnosis and fix on Debian 12

Debian 12 — libzypp — multiple vulnerabilities (6 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 12 August 2023 Affected versions: Debian 12 (bookworm) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2017-7435 CVE-2017-7436 CVE-2017-9269 CVE-2017-9271 CVE-2018-7685 CVE-2019-18900 Upstream summary: In libzypp before 20170803 it was possible to add unsigned YUM repositories without warning to the user that could lead […]

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Debian 12 — texlive-extra — vulnerability — patch and remediation guide — diagnosis and fix on Debian 12

Debian 12 — texlive-extra — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 12 August 2023 Affected versions: Debian 12 (bookworm) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2012-2120 Upstream summary: latex2man in texlive-extra-utils 2011.20120322, and possibly other versions or packages, when used with the H or T option, allows local users to overwrite arbitrary files […]

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NetBSD 9.4 — php-dotclear — vulnerability — patch and remediation guide — diagnosis and fix on NetBSD 9.4

NetBSD 9.4 — php-dotclear — 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 Related CVEs: CVE-2023-53952 Upstream summary: pkgsrc audit-packages flagged php{56,74,81,82,83,84}-dotclear-[0-9]* for vulnerability class 'arbitrary-code-execution'. Reference: https://nvd.nist.gov/vuln/detail/CVE-2023-53952 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis […]

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Debian 12 — vsftpd — multiple vulnerabilities (6 CVEs) — patch and remediation guide — diagnosis and fix on Debian 12

Debian 12 — vsftpd — multiple vulnerabilities (6 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 12 August 2023 Affected versions: Debian 12 (bookworm) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2004-0042 CVE-2004-2259 CVE-2011-0762 CVE-2011-2189 CVE-2015-1419 CVE-2021-3618 Upstream summary: vsftpd 1.1.3 generates different error messages depending on whether or not a valid username exists, which allows remote attackers to […]

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

Debian 12 — libmaxminddb — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 12 August 2023 Affected versions: Debian 12 (bookworm) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2020-28241 Upstream summary: libmaxminddb before 1.4.3 has a heap-based buffer over-read in dump_entry_data_list in maxminddb.c. Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick […]

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

NetBSD 9.4 — namazu — 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 namazu<1.3.0.11 for vulnerability class 'remote-file-creation'. Reference: http://www.namazu.org/security.html.en Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary […]

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