Linux

Oracle Linux 9 — httpd — security and stability fixes — required update — diagnosis and fix on Oracle Linux 9

Oracle Linux 9 — httpd — security and stability fixes — required update (ELSA-2023-0970)

🟡 Medium   ⏱ 10–30 min  Last verified: 6 October 2023 Affected versions: Oracle Linux 9 📖 ~4 min read  •  Source: ELSA advisory ELSA-2023-0970 Related CVEs: CVE-2022-37436 CVE-2022-36760 CVE-2006-20001 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification […]

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Debian 12 — pycode-browser — vulnerability — patch and remediation guide — diagnosis and fix on Debian 12

Debian 12 — pycode-browser — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 6 October 2023 Affected versions: Debian 12 (bookworm) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2015-0849 Upstream summary: pycode-browser before version 1.0 is prone to a predictable temporary file vulnerability. Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick […]

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Common Problems 120091

Debian 12 – Severe Clock Drift Breaks TLS and Kerberos – Chrony Stabilization

🟠 High   ⏱ 5–30 min  Last verified: 6 October 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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Debian 12 — pg-partman — vulnerability — patch and remediation guide — diagnosis and fix on Debian 12

Debian 12 — pg-partman — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 6 October 2023 Affected versions: Debian 12 (bookworm) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2021-33204 Upstream summary: In the pg_partman (aka PG Partition Manager) extension before 4.5.1 for PostgreSQL, arbitrary code execution can be achieved via SECURITY DEFINER functions because an explicit […]

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

Debian 12 — libjcat — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 6 October 2023 Affected versions: Debian 12 (bookworm) 📖 ~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 12 — atomicparsley — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Debian 12

Debian 12 — atomicparsley — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 6 October 2023 Affected versions: Debian 12 (bookworm) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2021-37231 CVE-2021-37232 Upstream summary: A stack-buffer-overflow occurs in Atomicparsley 20210124.204813.840499f through APar_readX() in src/util.cpp while parsing a crafted mp4 file because of the missing boundary check. Table of […]

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Alpine Linux 3.18 — postfixadmin — vulnerability — patch and remediation guide — diagnosis and fix on Alpine Linux 3.18

Alpine Linux 3.18 — postfixadmin — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Alpine Linux 3.18 / fixed in 3.0.2-r0 📖 ~4 min read  •  Source: Alpine secdb entry — postfixadmin 3.0.2-r0 Related CVEs: CVE-2017-5930 Upstream summary: Alpine community repository for vv3.18 ships postfixadmin 3.0.2-r0 which addresses CVE-2017-5930. Table of contents Symptom & Impact Environment […]

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SLES 12 — xfig — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on SLES 12

SLES 12 — xfig — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 6 October 2023 Affected versions: SLES 12 📖 ~4 min read  •  Source: SUSE advisory SUSE-SU-2024:1196-1 (see also SUSE bugzilla) Related CVEs: CVE-2023-45920 CVE-2009-1962 CVE-2009-4227 Upstream summary: Xfig v3.2.8 was discovered to contain a NULL pointer dereference when calling XGetWMHints(). NOTE: this is disputed because it is […]

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Oracle Linux 9 — 18 — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 9

Oracle Linux 9 — 18 — vulnerability — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 6 October 2023 Affected versions: Oracle Linux 9 📖 ~4 min read  •  Source: ELSA advisory ELSA-2023-5849 Related CVEs: CVE-2023-44487 CVE-2023-39333 CVE-2023-38552 CVE-2023-45143 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches […]

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