Linux

Ubuntu 22.04 — freeimage — multiple vulnerabilities (5 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 22.04

Ubuntu 22.04 — freeimage — multiple vulnerabilities (5 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 8 June 2023 Affected versions: Ubuntu 22.04 (jammy) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-6586-1 Related CVEs: CVE-2019-12211 CVE-2019-12213 CVE-2020-21427 CVE-2020-21428 CVE-2020-22524 Upstream summary: It was discovered that FreeImage incorrectly handled certain memory operations. If a user were tricked into opening a crafted TIFF […]

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Oracle Linux 9 — device-mapper-multipath — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 9

Oracle Linux 9 — device-mapper-multipath — vulnerability — patch and remediation guide (ELSA-2022-8453)

🟠 High   ⏱ 15–60 min  Last verified: 8 June 2023 Affected versions: Oracle Linux 9 📖 ~4 min read  •  Source: ELSA advisory ELSA-2022-8453 Related CVEs: CVE-2022-3787 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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Alpine Linux 3.18 — py3-redis — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Alpine Linux 3.18

Alpine Linux 3.18 — py3-redis — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Alpine Linux 3.18 / fixed in 4.5.4-r0 📖 ~4 min read  •  Source: Alpine secdb entry — py3-redis 4.5.4-r0 Related CVEs: CVE-2023-28858 CVE-2023-28859 Upstream summary: Alpine community repository for vv3.18 ships py3-redis 4.5.4-r0 which addresses CVE-2023-28858. Table of contents Symptom & Impact […]

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

Oracle Linux 9 — doxygen — vulnerability — patch and remediation guide (ELSA-2025-1329)

🟡 Medium   ⏱ 10–30 min  Last verified: 8 June 2023 Affected versions: Oracle Linux 9 📖 ~4 min read  •  Source: ELSA advisory ELSA-2025-1329 Related CVEs: CVE-2020-11023 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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Oracle Linux 9 — firefox — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 9

Oracle Linux 9 — firefox — vulnerability — patch and remediation guide (ELSA-2023-7507)

🟠 High   ⏱ 15–60 min  Last verified: 8 June 2023 Affected versions: Oracle Linux 9 📖 ~4 min read  •  Source: ELSA advisory ELSA-2023-7507 Related CVEs: CVE-2023-6205 CVE-2023-6212 CVE-2023-6208 CVE-2023-6209 CVE-2023-6206 CVE-2023-6204 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – […]

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How to Configure Logrotate for Application Logs on RHEL 9 — step-by-step RHEL 9 tutorial on Progressive Robot

How to Configure Logrotate for Application Logs on RHEL 9

Without a log rotation strategy, application log files will grow unbounded until they fill your disk and bring services down. Logrotate is the standard RHEL utility that automates log file rotation, compression, and cleanup on a scheduled basis with no daemon process required. It runs daily via a cron job and processes configuration rules you […]

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Alpine Linux 3.18 — freetype — multiple vulnerabilities (7 CVEs) — patch and remediation guide — diagnosis and fix on Alpine Linux 3.18

Alpine Linux 3.18 — freetype — multiple vulnerabilities (7 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Alpine Linux 3.18 / fixed in 2.9-r1 📖 ~4 min read  •  Source: Alpine secdb entry — freetype 2.9-r1 Related CVEs: CVE-2018-6942 CVE-2017-8105 CVE-2017-8287 CVE-2022-27404 CVE-2022-27405 CVE-2022-27406 CVE-2020-15999 Upstream summary: Alpine main repository for vv3.18 ships freetype 2.9-r1 which addresses CVE-2018-6942. Table […]

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Oracle Linux 9 — gvisor-tap-vsock — security and stability fixes — required update — diagnosis and fix on Oracle Linux 9

Oracle Linux 9 — gvisor-tap-vsock — security and stability fixes — required update (ELSA-2024-3830)

🟡 Medium   ⏱ 10–30 min  Last verified: 7 June 2023 Affected versions: Oracle Linux 9 📖 ~4 min read  •  Source: ELSA advisory ELSA-2024-3830 Related CVEs: CVE-2023-45290 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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Amazon Linux 2023 — lynx — vulnerability — patch and remediation guide — diagnosis and fix on Amazon Linux 2023

Amazon Linux 2023 — lynx — vulnerability — 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 ALAS2023-2024-535 Related CVEs: CVE-2021-38165 Upstream summary: Lynx through 2.8.9 mishandles the userinfo subcomponent of a URI, which allows remote attackers to discover cleartext credentials because they may appear in SNI […]

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openSUSE Tumbleweed — prosody — multiple vulnerabilities (9 CVEs) — patch and remediation guide — diagnosis and fix on openSUSE Tumbleweed

openSUSE Tumbleweed — prosody — multiple vulnerabilities (9 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read  •  Source: SUSE advisory openSUSE-SU-2022:0012-1 (see also SUSE bugzilla) Related CVEs: CVE-2022-0217 CVE-2021-32917 CVE-2021-32918 CVE-2021-32919 CVE-2021-32920 CVE-2016-0756 CVE-2016-1231 CVE-2016-1232  +1 more Upstream summary: It was discovered that an internal Prosody library to load XML based on […]

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