Linux

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

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

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Alpine Linux 3.18 / fixed in 3.4.0-r0 📖 ~4 min read  •  Source: Alpine secdb entry — fish 3.4.0-r0 Related CVEs: CVE-2022-20001 Upstream summary: Alpine main repository for vv3.18 ships fish 3.4.0-r0 which addresses CVE-2022-20001. Table of contents Symptom & Impact Environment […]

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

Oracle Linux 9 — nano — vulnerability — patch and remediation guide (ELSA-2024-9430)

🟢 Low   ⏱ 5–15 min  Last verified: 19 February 2024 Affected versions: Oracle Linux 9 📖 ~4 min read  •  Source: ELSA advisory ELSA-2024-9430 Related CVEs: CVE-2024-5742 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 — coreutils — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Alpine Linux 3.18

Alpine Linux 3.18 — coreutils — 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 9.3-r2 📖 ~4 min read  •  Source: Alpine secdb entry — coreutils 9.3-r2 Related CVEs: CVE-2024-0684 CVE-2017-18018 Upstream summary: Alpine main repository for vv3.18 ships coreutils 9.3-r2 which addresses CVE-2024-0684. Table of contents Symptom & Impact […]

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Oracle Linux 8 — libtiff — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — libtiff — vulnerability — patch and remediation guide (ELSA-2023-5353)

🟡 Medium   ⏱ 10–30 min  Last verified: 19 February 2024 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2023-5353 Related CVEs: CVE-2023-0802 CVE-2023-0801 CVE-2023-0803 CVE-2023-0804 CVE-2023-0800 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative […]

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CentOS Stream 9 — c-ares — multiple vulnerabilities (6 CVEs) — patch and remediation guide — diagnosis and fix on CentOS Stream 9

CentOS Stream 9 — c-ares — multiple vulnerabilities (6 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 19 February 2024 Affected versions: CentOS Stream 9 📖 ~4 min read  •  Source: AlmaLinux/RHEL advisory ALSA-2023:3559 Related CVEs: CVE-2023-32067 CVE-2022-4904 CVE-2023-31124 CVE-2023-31130 CVE-2023-31147 CVE-2024-25629 Upstream summary: The c-ares C library defines asynchronous DNS (Domain Name System) requests and provides name resolving API. Security Fix(es): * c-ares: […]

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openSUSE Leap 15.5 — tcpreplay — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on openSUSE Leap 15.5

openSUSE Leap 15.5 — tcpreplay — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: openSUSE Leap 15.5 📖 ~4 min read  •  Source: SUSE advisory openSUSE-SU-2023:0267-1 (see also SUSE bugzilla) Related CVEs: CVE-2023-27783 CVE-2023-27786 Upstream summary: An issue found in TCPreplay tcprewrite v.4.4.3 allows a remote attacker to cause a denial of service via the tcpedit_dlt_cleanup […]

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Common Problems 114452

RHEL 9 Chronyd Not Synchronizing Time

🟡 Medium   ⏱ 5–30 min  Last verified: 18 February 2024 📖 ~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 & Cross-Refs References & Further […]

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Debian 12 — db5.3 — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Debian 12

Debian 12 — db5.3 — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 18 February 2024 Affected versions: Debian 12 (bookworm) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2017-10140 CVE-2019-8457 Upstream summary: Postfix before 2.11.10, 3.0.x before 3.0.10, 3.1.x before 3.1.6, and 3.2.x before 3.2.2 might allow local users to gain privileges by leveraging undocumented functionality […]

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

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

🟢 Low   ⏱ 5–15 min  Last verified: 18 February 2024 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2023-41419 Upstream summary: An issue in Gevent before version 23.9.0 allows a remote attacker to escalate privileges via a crafted script to the WSGIServer component. Table of contents […]

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Ubuntu 22.04 — trafficserver — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 22.04

Ubuntu 22.04 — trafficserver — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 18 February 2024 Affected versions: Ubuntu 22.04 (jammy) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-8050-1 Related CVEs: CVE-2024-50305 CVE-2023-44487 Upstream summary: Masakazu Kitajo discovered that Apache Traffic Server did not properly handle the Valid Host header field. An attacker could possibly use this issue […]

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CHAT