Linux

Debian 11 — gpac — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — gpac — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2018-13005 CVE-2018-13006 CVE-2018-20760 CVE-2018-20761 CVE-2018-20762 CVE-2018-20763 CVE-2018-21015 CVE-2018-21016  +12 more Upstream summary: An issue was discovered in MP4Box in GPAC 0.7.1. The function urn_Read in isomedia/box_code_base.c has a […]

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Debian 12 — wpewebkit — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Debian 12

Debian 12 — wpewebkit — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Debian 12 (bookworm) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2014-1745 CVE-2020-10018 CVE-2020-11793 CVE-2020-13543 CVE-2020-13558 CVE-2020-13584 CVE-2020-13753 CVE-2020-27918  +12 more Upstream summary: Use-after-free vulnerability in the SVG implementation in Blink, as used in Google Chrome before 35.0.1916.114, allows […]

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Common Problems 115396

RHEL 7 yum Metadata Expired and Mirror Timeout Errors

🟡 Medium   ⏱ 5–30 min  Last verified: 19 May 2026 Affected versions: RHEL 7 📖 ~2 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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Common Problems 115895

Ubuntu 26.04 LTS – APT lock file prevents package installs – Fix & Prevention

🟠 High   ⏱ 5–30 min  Last verified: 19 May 2026 Affected versions: Ubuntu 26.04 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 […]

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Common Problems 116395

Ubuntu 24.04 LTS – APT lock file prevents package installs – Fix & Prevention

🟠 High   ⏱ 5–30 min  Last verified: 19 May 2026 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 […]

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Oracle Linux 9 — Virtualization Issues — diagnosis and fix on Oracle Linux 9

Oracle Linux 9 — Virtualization Issues (OL9-ISSUES-VIRTUALIZATION)

🟠 High   ⏱ 5–30 min  Last verified: 25 May 2026 Affected versions: Oracle Linux 9 📖 ~4 min read  •  Source: Oracle Bug RELOL-ol9-issues-virtualization 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 […]

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Common Problems 116894

Ubuntu 22.04 LTS – APT lock file blocks package operations – Fix & Prevention

🟠 High   ⏱ 5–30 min  Last verified: 19 May 2026 Affected versions: Ubuntu 22.04 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 […]

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SLES 16 — keylime-config — multiple vulnerabilities (14 CVEs) — patch and remediation guide — diagnosis and fix on SLES 16

SLES 16 — keylime-config — multiple vulnerabilities (14 CVEs) — patch and remediation guide

🔴 Critical   ⏱ 15–90 min  Last verified: 25 May 2026 Affected versions: SLES 16 📖 ~4 min read  •  Source: SUSE advisory RHSA-2026:2224 (see also SUSE bugzilla) Related CVEs: CVE-2026-1709 CVE-2025-13609 CVE-2021-43310 CVE-2022-1053 CVE-2022-23948 CVE-2022-23949 CVE-2022-23950 CVE-2022-23952  +6 more Upstream summary: A flaw was found in Keylime. The Keylime registrar, since version 7.12.0, does […]

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Debian 11 — chromium — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — chromium — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2018-17480 CVE-2018-17481 CVE-2018-18335 CVE-2018-18336 CVE-2018-18337 CVE-2018-18338 CVE-2018-18339 CVE-2018-18340  +12 more Upstream summary: Execution of user supplied Javascript during array deserialization leading to an out of bounds write in […]

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Debian 12 — wireshark — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Debian 12

Debian 12 — wireshark — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Debian 12 (bookworm) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2006-3627 CVE-2006-3628 CVE-2006-3629 CVE-2006-3630 CVE-2006-3631 CVE-2006-3632 CVE-2006-4330 CVE-2006-4331  +12 more Upstream summary: Unspecified vulnerability in the GSM BSSMAP dissector in Wireshark (aka Ethereal) 0.10.11 to 0.99.0 allows remote […]

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