Common Problems

Debian 12 — capnproto — multiple vulnerabilities (8 CVEs) — patch and remediation guide — diagnosis and fix on Debian 12

Debian 12 — capnproto — multiple vulnerabilities (8 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 March 2026 Affected versions: Debian 12 (bookworm) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2015-2310 CVE-2015-2311 CVE-2015-2312 CVE-2015-2313 CVE-2017-7892 CVE-2022-46149 CVE-2026-32239 CVE-2026-32240 Upstream summary: Integer overflow in layout.c++ in Sandstorm Cap'n Proto before 0.4.1.1 and 0.5.x before 0.5.1.1 allows remote peers to […]

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Debian 13 — coolkey — vulnerability — patch and remediation guide — diagnosis and fix on Debian 13

Debian 13 — coolkey — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 March 2026 Affected versions: Debian 13 (trixie) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2007-4129 Upstream summary: CoolKey 1.1.0 allows local users to overwrite arbitrary files via a symlink attack on temporary files in the /tmp/.pk11ipc1/ directory. Table of contents Symptom & […]

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Windows Server 2016 — KB5050188 — security update — patch and remediation guide — diagnosis and fix on Windows Server 2016

Windows Server 2016 — KB5050188 — security update — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Windows Server 2016 📖 ~4 min read  •  Source: Microsoft KB5050188 • MSRC update-guide entry Related CVEs: CVE-2025-21176 Affected components: Microsoft .NET Framework 3.5 AND 4.7.2 on Windows Server 2016 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis […]

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Ubuntu 24.04 — dotnet10 — multiple vulnerabilities (8 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 24.04

Ubuntu 24.04 — dotnet10 — multiple vulnerabilities (8 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 March 2026 Affected versions: Ubuntu 24.04 (noble) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-8215-1 Related CVEs: CVE-2026-40372 CVE-2026-33116 CVE-2026-32178 CVE-2026-32203 CVE-2026-26171 CVE-2026-26127 CVE-2026-26130 CVE-2026-21218 Upstream summary: It was discovered that the Microsoft.AspNetCore.DataProtection library in .NET did not properly verify cryptographic signatures under certain […]

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Ubuntu 20.04 — gobgp — multiple vulnerabilities (5 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 20.04

Ubuntu 20.04 — gobgp — multiple vulnerabilities (5 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 March 2026 Affected versions: Ubuntu 20.04 (focal) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-7661-1 Related CVEs: CVE-2025-43970 CVE-2023-46565 CVE-2025-43973 CVE-2025-43971 CVE-2025-43972 Upstream summary: It was discovered that GoBGP did not properly manage memory under certain circumstances, which could lead to a buffer overflow. […]

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openSUSE Leap 15.6 — pgadmin4 — multiple vulnerabilities (14 CVEs) — patch and remediation guide — diagnosis and fix on openSUSE Leap 15.6

openSUSE Leap 15.6 — pgadmin4 — multiple vulnerabilities (14 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: openSUSE Leap 15.6 📖 ~4 min read  •  Source: SUSE advisory SUSE-SU-2026:0015-1 (see also SUSE bugzilla) Related CVEs: CVE-2025-12764 CVE-2025-12765 CVE-2025-9636 CVE-2025-27152 CVE-2024-38998 CVE-2024-38999 CVE-2024-9014 CVE-2024-4068  +6 more Upstream summary: pgAdmin <= 9.9 is affected by an LDAP injection vulnerability in the […]

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Ubuntu 24.04 — libsodium — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 24.04

Ubuntu 24.04 — libsodium — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 March 2026 Affected versions: Ubuntu 24.04 (noble) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-7949-1 Related CVEs: CVE-2025-69277 Upstream summary: It was discovered that Sodium incorrectly handled the elliptic curve point validity check in certain atypical use cases. This could result in invalid points […]

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Ubuntu 20.04 — jq — multiple vulnerabilities (9 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 20.04

Ubuntu 20.04 — jq — multiple vulnerabilities (9 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 March 2026 Affected versions: Ubuntu 20.04 (focal) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-8202-3 Related CVEs: CVE-2026-40164 https://bugs.launchpad.net/ubuntu/+source/jq/+bug/2152052 CVE-2026-39956 CVE-2026-33947 CVE-2026-39979 CVE-2026-33948 CVE-2026-32316 CVE-2024-23337  +1 more Upstream summary: USN-8202-1 fixed vulnerabilities in jq. The update caused a regression for Ubuntu 18.04 LTS and […]

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SLES 15 — sed — vulnerability — patch and remediation guide — diagnosis and fix on SLES 15

SLES 15 — sed — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 March 2026 Affected versions: SLES 15 📖 ~4 min read  •  Source: SUSE advisory SUSE-SU-2026:1659-1 (see also SUSE bugzilla) Related CVEs: CVE-2026-5958 Upstream summary: When sed is invoked with both -i (in-place edit) and –follow-symlinks, the function open_next_file() performs two separate, non-atomic filesystem operations on the […]

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Oracle Linux 10 — qemu-kvm — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 10

Oracle Linux 10 — qemu-kvm — vulnerability — patch and remediation guide (ELSA-2026-1831)

🟡 Medium   ⏱ 10–30 min  Last verified: 25 March 2026 Affected versions: Oracle Linux 10 📖 ~4 min read  •  Source: ELSA advisory ELSA-2026-1831 Related CVEs: CVE-2025-11234 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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