Package Management

Oracle Linux 8 — Unbreakable Enterprise kernel — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — Unbreakable Enterprise kernel — vulnerability — patch and remediation guide (ELSA-2022-9828)

🟠 High   ⏱ 15–60 min  Last verified: 17 July 2023 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2022-9828 Related CVEs: CVE-2022-2586 CVE-2021-3669 CVE-2022-21385 CVE-2022-21546 CVE-2022-1280 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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Oracle Linux 9 — libtiff — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 9

Oracle Linux 9 — libtiff — vulnerability — patch and remediation guide (ELSA-2023-3711)

🟡 Medium   ⏱ 10–30 min  Last verified: 17 July 2023 Affected versions: Oracle Linux 9 📖 ~4 min read  •  Source: ELSA advisory ELSA-2023-3711 Related CVEs: CVE-2023-0800 CVE-2023-0802 CVE-2023-0796 CVE-2023-0795 CVE-2023-0804 CVE-2023-0803 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – […]

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NetBSD 9.4 — racoon — vulnerability — patch and remediation guide — diagnosis and fix on NetBSD 9.4

NetBSD 9.4 — racoon — vulnerability — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: NetBSD 9.4 📖 ~4 min read  •  Source: pkgsrc audit-packages entry Upstream summary: pkgsrc audit-packages flagged racoon<20001004a for vulnerability class 'local-root-file-view'. Reference: http://mail-index.NetBSD.org/tech-net/2000/09/24/0000.html Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary […]

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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-2023-3827)

🟡 Medium   ⏱ 10–30 min  Last verified: 17 July 2023 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2023-3827 Related CVEs: CVE-2022-48281 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 — ldb — vulnerability — patch and remediation guide — diagnosis and fix on Alpine Linux 3.18

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

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Alpine Linux 3.18 / fixed in 1.3.5-r0 📖 ~4 min read  •  Source: Alpine secdb entry — ldb 1.3.5-r0 Related CVEs: CVE-2018-1140 Upstream summary: Alpine main repository for vv3.18 ships ldb 1.3.5-r0 which addresses CVE-2018-1140. Table of contents Symptom & Impact Environment […]

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Oracle Linux 9 — containernetworking-plugins — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 9

Oracle Linux 9 — containernetworking-plugins — vulnerability — patch and remediation guide (ELSA-2023-7766)

🟡 Medium   ⏱ 10–30 min  Last verified: 17 July 2023 Affected versions: Oracle Linux 9 📖 ~4 min read  •  Source: ELSA advisory ELSA-2023-7766 Related CVEs: CVE-2023-39318 CVE-2023-39319 CVE-2023-39321 CVE-2023-39322 CVE-2023-29409 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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Alpine Linux 3.18 — qt5-qtwebengine — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Alpine Linux 3.18

Alpine Linux 3.18 — qt5-qtwebengine — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Alpine Linux 3.18 / fixed in 5.15.3_git20220601-r2 📖 ~4 min read  •  Source: Alpine secdb entry — qt5-qtwebengine 5.15.3_git20220601-r2 Related CVEs: CVE-2022-2477 CVE-2022-27404 CVE-2022-27405 CVE-2022-27406 CVE-2022-1854 CVE-2022-1855 CVE-2022-1857 CVE-2022-2008  +12 more Upstream summary: Alpine community repository for vv3.18 ships qt5-qtwebengine 5.15.3_git20220601-r2 which […]

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openSUSE Leap 15.5 — shim — multiple vulnerabilities (7 CVEs) — patch and remediation guide — diagnosis and fix on openSUSE Leap 15.5

openSUSE Leap 15.5 — shim — multiple vulnerabilities (7 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 SUSE-IU-2023:219-1 (see also SUSE bugzilla) Related CVEs: CVE-2022-28737 CVE-2023-40547 CVE-2023-40546 CVE-2023-40548 CVE-2023-40549 CVE-2023-40550 CVE-2023-40551 Upstream summary: There's a possible overflow in handle_image() when shim tries to load and execute crafted EFI […]

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Common Problems 119962

Debian 12 – apt update shows NO_PUBKEY and rejects repository signatures

🟠 High   ⏱ 5–30 min  Last verified: 17 July 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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NetBSD 9.4 — xentools46 — vulnerability — patch and remediation guide — diagnosis and fix on NetBSD 9.4

NetBSD 9.4 — xentools46 — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: NetBSD 9.4 📖 ~4 min read  •  Source: pkgsrc audit-packages entry Upstream summary: pkgsrc audit-packages flagged xentools46<4.6.3 for vulnerability class 'denial-of-service'. Reference: https://xenbits.xen.org/xsa/advisory-175.html Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary […]

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CHAT