Linux

Common Problems 116587

Ubuntu 24.04 LTS – netplan misconfiguration causes no network – Fix & Prevention

🔴 Critical   ⏱ 5–30 min  Last verified: 28 November 2024 Affected versions: Ubuntu 24.04 LTS 📖 ~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 […]

Read more
Debian 12 — libemail-address-list-perl — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Debian 12

Debian 12 — libemail-address-list-perl — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 28 November 2024 Affected versions: Debian 12 (bookworm) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2014-1474 CVE-2018-18898 Upstream summary: Algorithmic complexity vulnerability in Email::Address::List before 0.02, as used in RT 4.2.0 through 4.2.2, allows remote attackers to cause a denial of service (CPU […]

Read more
Alpine Linux 3.20 — cabextract — vulnerability — patch and remediation guide — diagnosis and fix on Alpine Linux 3.20

Alpine Linux 3.20 — cabextract — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Alpine Linux 3.20 / fixed in 1.8-r0 📖 ~4 min read  •  Source: Alpine secdb entry — cabextract 1.8-r0 Related CVEs: CVE-2018-18584 Upstream summary: Alpine community repository for vv3.20 ships cabextract 1.8-r0 which addresses CVE-2018-18584. Table of contents Symptom & Impact Environment […]

Read more
Debian 12 — libgdiplus — vulnerability — patch and remediation guide — diagnosis and fix on Debian 12

Debian 12 — libgdiplus — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 28 November 2024 Affected versions: Debian 12 (bookworm) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2010-1526 Upstream summary: Multiple integer overflows in libgdiplus 2.6.7, as used in Mono, allow attackers to execute arbitrary code via (1) a crafted TIFF file, related to the […]

Read more
Alpine Linux 3.19 — newlib — vulnerability — patch and remediation guide — diagnosis and fix on Alpine Linux 3.19

Alpine Linux 3.19 — newlib — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Alpine Linux 3.19 / fixed in 4.1.0-r0 📖 ~4 min read  •  Source: Alpine secdb entry — newlib 4.1.0-r0 Related CVEs: CVE-2021-3420 Upstream summary: Alpine community repository for vv3.19 ships newlib 4.1.0-r0 which addresses CVE-2021-3420. Table of contents Symptom & Impact Environment […]

Read more
Ubuntu 16.04 — subversion — multiple vulnerabilities (7 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 16.04

Ubuntu 16.04 — subversion — multiple vulnerabilities (7 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 28 November 2024 Affected versions: Ubuntu 16.04 (xenial) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-7818-1 Related CVEs: CVE-2024-46901 CVE-2020-17525 CVE-2018-11782 CVE-2019-0203 CVE-2016-2167 CVE-2016-8734 CVE-2017-9800 Upstream summary: It was discovered that Apache Subversion incorrectly parsed control characters in filenames. An attacker could possibly use this […]

Read more
Common Problems 114457

RHEL 9 Time Drift Due To chronyd Not Syncing

🟡 Medium   ⏱ 5–30 min  Last verified: 28 November 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 […]

Read more
Alpine Linux 3.19 — evince — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Alpine Linux 3.19

Alpine Linux 3.19 — evince — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Alpine Linux 3.19 / fixed in 3.32.0-r1 📖 ~4 min read  •  Source: Alpine secdb entry — evince 3.32.0-r1 Related CVEs: CVE-2019-11459 CVE-2017-1000083 Upstream summary: Alpine community repository for vv3.19 ships evince 3.32.0-r1 which addresses CVE-2019-11459. Table of contents Symptom & Impact […]

Read more
Oracle Linux 9 — python3.11 — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 9

Oracle Linux 9 — python3.11 — vulnerability — patch and remediation guide (ELSA-2024-11111)

🟡 Medium   ⏱ 10–30 min  Last verified: 28 November 2024 Affected versions: Oracle Linux 9 📖 ~4 min read  •  Source: ELSA advisory ELSA-2024-11111 Related CVEs: CVE-2024-9287 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & Acceptance […]

Read more
CHAT