Package Management

Oracle Linux 8 — xorg-x11-server — security and stability fixes — required update — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — xorg-x11-server — security and stability fixes — required update (ELSA-2023-6916)

🟡 Medium   ⏱ 10–30 min  Last verified: 22 June 2022 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2023-6916 Related CVEs: CVE-2023-1393 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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AlmaLinux 8 — libcdio — vulnerability — patch and remediation guide — diagnosis and fix on AlmaLinux 8

AlmaLinux 8 — libcdio — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: AlmaLinux 8 📖 ~4 min read  •  Source: AlmaLinux ALSA ALBA-2019:3462 Upstream summary: For detailed information on changes in this release, see the AlmaLinux Release Notes linked from the References section. Table of contents Symptom & Impact Environment & Reproduction Root Cause […]

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FreeBSD 13 — ldb — multiple vulnerabilities (7 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — ldb — multiple vulnerabilities (7 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 22 June 2022 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: samba — multiple vulnerabilities Related CVEs: CVE-2015-3223 CVE-2015-5252 CVE-2015-5296 CVE-2015-5299 CVE-2015-5330 CVE-2015-7540 CVE-2015-8467 Upstream summary: Samba team reports: [CVE-2015-3223] Malicious request can cause Samba LDAP server to hang, spinning using […]

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FreeBSD 13 — sylpheed-gtk — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — sylpheed-gtk — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 22 June 2022 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: sylpheed — MIME-encoded file name buffer overflow vulnerability Related CVEs: CVE-2005-0667 CVE-2005-0926 Upstream summary: Sylpheed is vulnerable to a buffer overflow when displaying emails with attachments that have MIME-encoded file […]

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Debian 11 — python-mkdocs — vulnerability — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — python-mkdocs — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 22 June 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2021-40978 Upstream summary: The mkdocs 1.2.2 built-in dev-server allows directory traversal using the port 8000, enabling remote exploitation to obtain :sensitive information. NOTE: the vendor has disputed this […]

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Debian 11 — libjcat — vulnerability — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — libjcat — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 22 June 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2020-10759 Upstream summary: A PGP signature bypass flaw was found in fwupd (all versions), which could lead to the installation of unsigned firmware. As per upstream, a signature […]

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Debian 11 — mkvtoolnix — vulnerability — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — mkvtoolnix — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 22 June 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2018-4022 Upstream summary: A use-after-free vulnerability exists in the way MKVToolNix MKVINFO v25.0.0 handles the MKV (matroska) file format. A specially crafted MKV file can cause arbitrary code […]

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Common Problems 120498

Debian 11 – dist-upgrade aborts with held broken packages

🟠 High   ⏱ 5–30 min  Last verified: 22 June 2022 Affected versions: Debian 11 📖 ~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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CHAT