Common Problems

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

Oracle Linux 8 — opensc — vulnerability — patch and remediation guide (ELSA-2023-7876)

🟡 Medium   ⏱ 10–30 min  Last verified: 10 September 2023 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2023-7876 Related CVEs: CVE-2023-40661 CVE-2023-40660 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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Alpine Linux 3.18 — tmux — vulnerability — patch and remediation guide — diagnosis and fix on Alpine Linux 3.18

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

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Alpine Linux 3.18 / fixed in 3.1c-r0 📖 ~4 min read  •  Source: Alpine secdb entry — tmux 3.1c-r0 Related CVEs: CVE-2020-27347 Upstream summary: Alpine main repository for vv3.18 ships tmux 3.1c-r0 which addresses CVE-2020-27347. Table of contents Symptom & Impact Environment […]

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NetBSD 9.4 — apache-2.0.3[5-9]nb* — vulnerability — patch and remediation guide — diagnosis and fix on NetBSD 9.4

NetBSD 9.4 — apache — 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 apache for vulnerability class 'privilege-escalation'. Reference: https://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2004-0885 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary […]

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NetBSD 9.4 — gcc3-c++ — vulnerability — patch and remediation guide — diagnosis and fix on NetBSD 9.4

NetBSD 9.4 — gcc3-c++ — 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 gcc3-c++-[0-9]* for vulnerability class 'denial-of-service'. Reference: https://gcc.gnu.org/bugzilla/show_bug.cgi?id=61601 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary […]

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Amazon Linux 2023 — libtirpc — vulnerability — patch and remediation guide — diagnosis and fix on Amazon Linux 2023

Amazon Linux 2023 — libtirpc — vulnerability — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Amazon Linux 2023 📖 ~4 min read  •  Source: Amazon Linux advisory ALAS2023-2025-890 Related CVEs: CVE-2021-46828 Upstream summary: In libtirpc before 1.3.3rc1, remote attackers could exhaust the file descriptors of a process that uses libtirpc because idle TCP connections are mishandled. This […]

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Debian 12 — supervisor — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Debian 12

Debian 12 — supervisor — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 9 September 2023 Affected versions: Debian 12 (bookworm) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2017-11610 CVE-2019-12105 Upstream summary: The XML-RPC server in supervisor before 3.0.1, 3.1.x before 3.1.4, 3.2.x before 3.2.4, and 3.3.x before 3.3.3 allows remote authenticated users to execute arbitrary […]

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NetBSD 9.4 — go116 — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on NetBSD 9.4

NetBSD 9.4 — go116 — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: NetBSD 9.4 📖 ~4 min read  •  Source: pkgsrc audit-packages entry Related CVEs: CVE-2021-33194 CVE-2021-33195 CVE-2021-33197 CVE-2021-29923 CVE-2021-38297 CVE-2021-41771 CVE-2021-44717 CVE-2022-23773  +12 more Upstream summary: pkgsrc audit-packages flagged go116<1.16.4 for vulnerability class 'infinite-loop'. Reference: https://nvd.nist.gov/vuln/detail/CVE-2021-33194 Table of contents Symptom & Impact Environment […]

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Debian 12 — man-db — multiple vulnerabilities (4 CVEs) — patch and remediation guide — diagnosis and fix on Debian 12

Debian 12 — man-db — multiple vulnerabilities (4 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 9 September 2023 Affected versions: Debian 12 (bookworm) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2003-0620 CVE-2003-0645 CVE-2006-4250 CVE-2015-1336 Upstream summary: Multiple buffer overflows in man-db 2.4.1 and earlier, when installed setuid, allow local users to gain privileges via (1) MANDATORY_MANPATH, MANPATH_MAP, and […]

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