Logging Monitoring

openSUSE Tumbleweed — libcaca0 — multiple vulnerabilities (11 CVEs) — patch and remediation guide — diagnosis and fix on openSUSE Tumbleweed

openSUSE Tumbleweed — libcaca0 — multiple vulnerabilities (11 CVEs) — patch and remediation guide

  • May 24, 2026
  • Linux
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🔴 Critical   ⏱ 15–90 min  Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read  •  Source: SUSE advisory openSUSE-SU-2022:0769-1 (see also SUSE bugzilla) Related CVEs: CVE-2021-30499 CVE-2021-30498 CVE-2026-42046 CVE-2018-20547 CVE-2022-0856 CVE-2021-3410 CVE-2018-20548 CVE-2018-20544  +3 more Upstream summary: A flaw was found in libcaca. A buffer overflow of export.c in function […]

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Windows Server 2019 — KB5051987 — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Windows Server 2019

Windows Server 2019 — KB5051987 — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🔴 Critical   ⏱ 15–90 min  Last verified: 25 May 2026 Affected versions: Windows Server 2019 📖 ~4 min read  •  Source: Microsoft KB5051987 • MSRC update-guide entry Related CVEs: CVE-2025-21376 CVE-2025-26634 CVE-2025-21351 CVE-2025-21352 CVE-2025-21368 CVE-2025-21369 CVE-2025-21375 CVE-2025-21391  +12 more Affected components: Windows Server 2019 (Server Core installation) Table of contents Symptom & Impact Environment […]

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NetBSD 9.4 — rtmpdump — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on NetBSD 9.4

NetBSD 9.4 — rtmpdump — multiple vulnerabilities (3 CVEs) — patch and remediation guide

  • May 24, 2026
  • BSD
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🟠 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-2015-8271 CVE-2015-8272 CVE-2015-8270 Upstream summary: pkgsrc audit-packages flagged rtmpdump-[0-9]* for vulnerability class 'arbitrary-code-execution'. Reference: https://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2015-8271 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage […]

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

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

  • May 24, 2026
  • Linux
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🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Alpine Linux 3.19 / fixed in 3.24-r0 📖 ~4 min read  •  Source: Alpine secdb entry — nbd 3.24-r0 Related CVEs: CVE-2022-26495 CVE-2022-26496 Upstream summary: Alpine community repository for vv3.19 ships nbd 3.24-r0 which addresses CVE-2022-26495. Table of contents Symptom & Impact […]

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AlmaLinux 8 — opencv — vulnerability — patch and remediation guide — diagnosis and fix on AlmaLinux 8

AlmaLinux 8 — opencv — vulnerability — patch and remediation guide

  • May 24, 2026
  • Linux
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🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: AlmaLinux 8 📖 ~4 min read  •  Source: AlmaLinux ALSA ALBA-2022:1958 Upstream summary: For detailed information on changes in this release, see the AlmaLinux Release Notes linked from the References section. Table of contents Symptom & Impact Environment & Reproduction Root Cause […]

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Amazon Linux 2023 — openldap — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Amazon Linux 2023

Amazon Linux 2023 — openldap — multiple vulnerabilities (2 CVEs) — patch and remediation guide

  • May 24, 2026
  • Linux
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🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Amazon Linux 2023 📖 ~4 min read  •  Source: Amazon Linux advisory ALAS2023-2023-177 Related CVEs: CVE-2021-27212 CVE-2023-2953 Upstream summary: In OpenLDAP through 2.4.57 and 2.5.x through 2.5.1alpha, an assertion … NOTE: https://bugs.openldap.org/show_bug.cgi?id=9454 NOTE: trunk: https://git.openldap.org/openldap/openldap/-/commit/3539fc33212b528c56b716584f2c2994af7c30b0 NOTE: REL_ENG 2.4.x: https://git.openldap.org/openldap/openldap/-/commit/9badb73425a67768c09bcaed1a9c26c684af6c30 (CVE-2021-27212) Table of […]

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Windows Server 2019 — KB5051989 — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Windows Server 2019

Windows Server 2019 — KB5051989 — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🔴 Critical   ⏱ 15–90 min  Last verified: 25 May 2026 Affected versions: Windows Server 2019 📖 ~4 min read  •  Source: Microsoft KB5051989 • MSRC update-guide entry Related CVEs: CVE-2025-21376 CVE-2025-26634 CVE-2025-21351 CVE-2025-21352 CVE-2025-21368 CVE-2025-21369 CVE-2025-21375 CVE-2025-21391  +12 more Affected components: Windows Server 2019 (Server Core installation) Table of contents Symptom & Impact Environment […]

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NetBSD 9.4 — ruby-activestorage52 — vulnerability — patch and remediation guide — diagnosis and fix on NetBSD 9.4

NetBSD 9.4 — ruby-activestorage52 — vulnerability — patch and remediation guide

  • May 24, 2026
  • BSD
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🟠 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-2022-21831 Upstream summary: pkgsrc audit-packages flagged ruby{26,27,30,31}-activestorage52<5.2.6.3 for vulnerability class 'arbitrary-code-execution'. Reference: https://nvd.nist.gov/vuln/detail/CVE-2022-21831 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis […]

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Alpine Linux 3.19 — nebula — vulnerability — patch and remediation guide — diagnosis and fix on Alpine Linux 3.19

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

  • May 24, 2026
  • Linux
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🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Alpine Linux 3.19 / fixed in 1.7.2-r5 📖 ~4 min read  •  Source: Alpine secdb entry — nebula 1.7.2-r5 Related CVEs: CVE-2023-48795 Upstream summary: Alpine community repository for vv3.19 ships nebula 1.7.2-r5 which addresses CVE-2023-48795. Table of contents Symptom & Impact Environment […]

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openSUSE Tumbleweed — gerbv — multiple vulnerabilities (6 CVEs) — patch and remediation guide — diagnosis and fix on openSUSE Tumbleweed

openSUSE Tumbleweed — gerbv — multiple vulnerabilities (6 CVEs) — patch and remediation guide

  • May 24, 2026
  • Linux
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🔴 Critical   ⏱ 15–90 min  Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read  •  Source: SUSE security advisory (see also SUSE bugzilla) Related CVEs: CVE-2021-40401 CVE-2021-40391 CVE-2021-40400 CVE-2023-4508 CVE-2021-40403 CVE-2021-40393 Upstream summary: A use-after-free vulnerability exists in the RS-274X aperture definition tokenization functionality of Gerbv 2.7.0 and dev (commit […]

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