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Ubuntu 20.04 — rlottie — multiple vulnerabilities (10 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 20.04

Ubuntu 20.04 — rlottie — multiple vulnerabilities (10 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 1 May 2025 Affected versions: Ubuntu 20.04 (focal) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-8058-1 Related CVEs: CVE-2025-53074 CVE-2025-0634 CVE-2025-53075 CVE-2021-31315 CVE-2021-31317 CVE-2021-31318 CVE-2021-31319 CVE-2021-31320  +2 more Upstream summary: It was discovered that rlottie did not properly handle certain inputs. An attacker could use […]

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Windows Server 2022 — KB5050187 — security update — patch and remediation guide — diagnosis and fix on Windows Server 2022

Windows Server 2022 — KB5050187 — security update — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Windows Server 2022 📖 ~4 min read  •  Source: Microsoft KB5050187 • MSRC update-guide entry Related CVEs: CVE-2025-21176 Affected components: Microsoft .NET Framework 3.5 AND 4.8.1 on Windows Server 2022, 23H2 Edition (Server Core installation) Table of contents Symptom & Impact Environment […]

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Ubuntu 18.04 — openvpn — multiple vulnerabilities (5 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 18.04

Ubuntu 18.04 — openvpn — multiple vulnerabilities (5 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 1 May 2025 Affected versions: Ubuntu 18.04 (bionic) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-7340-1 Related CVEs: CVE-2017-12166 CVE-2024-5594 CVE-2022-0547 CVE-2020-11810 CVE-2020-15078 Upstream summary: It was discovered that OpenVPN did not perform proper input validation when generating a TLS key under certain configuration, which […]

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Alpine Linux 3.19 — spamassassin — multiple vulnerabilities (9 CVEs) — patch and remediation guide — diagnosis and fix on Alpine Linux 3.19

Alpine Linux 3.19 — spamassassin — multiple vulnerabilities (9 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Alpine Linux 3.19 / fixed in 3.4.5-r0 📖 ~4 min read  •  Source: Alpine secdb entry — spamassassin 3.4.5-r0 Related CVEs: CVE-2020-1946 CVE-2020-1930 CVE-2020-1931 CVE-2018-11805 CVE-2019-12420 CVE-2016-1238 CVE-2017-15705 CVE-2018-11780  +1 more Upstream summary: Alpine main repository for vv3.19 ships spamassassin 3.4.5-r0 which […]

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

Oracle Linux 8 — gnutls — vulnerability — patch and remediation guide (ELSA-2024-1784)

🟡 Medium   ⏱ 10–30 min  Last verified: 1 May 2025 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2024-1784 Related CVEs: CVE-2024-28834 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 3.19 — openvswitch — multiple vulnerabilities (13 CVEs) — patch and remediation guide — diagnosis and fix on Alpine Linux 3.19

Alpine Linux 3.19 — openvswitch — multiple vulnerabilities (13 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Alpine Linux 3.19 / fixed in 2.17.9-r0 📖 ~4 min read  •  Source: Alpine secdb entry — openvswitch 2.17.9-r0 Related CVEs: CVE-2023-3966 CVE-2023-5366 CVE-2023-1668 CVE-2022-4337 CVE-2022-4338 CVE-2021-36980 CVE-2020-35498 CVE-2020-27827  +5 more Upstream summary: Alpine community repository for vv3.19 ships openvswitch 2.17.9-r0 which […]

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

Oracle Linux 8 — grafana — vulnerability — patch and remediation guide (ELSA-2024-8327)

🟠 High   ⏱ 15–60 min  Last verified: 1 May 2025 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2024-8327 Related CVEs: CVE-2024-47875 CVE-2024-9355 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & […]

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NetBSD 9.4 — opendmarc — multiple vulnerabilities (6 CVEs) — patch and remediation guide — diagnosis and fix on NetBSD 9.4

NetBSD 9.4 — opendmarc — multiple vulnerabilities (6 CVEs) — 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 Related CVEs: CVE-2021-34555 CVE-2019-16378 CVE-2019-20790 CVE-2020-12272 CVE-2020-12460 CVE-2024-25768 Upstream summary: pkgsrc audit-packages flagged opendmarc-[0-9]* for vulnerability class 'remote-denial-of-service'. Reference: https://nvd.nist.gov/vuln/detail/CVE-2021-34555 Table of contents Symptom & Impact Environment & Reproduction Root Cause […]

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Alpine Linux 3.19 — libslirp — multiple vulnerabilities (8 CVEs) — patch and remediation guide — diagnosis and fix on Alpine Linux 3.19

Alpine Linux 3.19 — libslirp — multiple vulnerabilities (8 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Alpine Linux 3.19 / fixed in 4.6.0-r0 📖 ~4 min read  •  Source: Alpine secdb entry — libslirp 4.6.0-r0 Related CVEs: CVE-2021-3592 CVE-2021-3593 CVE-2021-3594 CVE-2021-3595 CVE-2020-29129 CVE-2020-29130 CVE-2020-10756 CVE-2020-1983 Upstream summary: Alpine community repository for vv3.19 ships libslirp 4.6.0-r0 which addresses CVE-2021-3592. […]

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