Security Hardening

Fedora 42 — aw-server-rust — vulnerability — patch and remediation guide — diagnosis and fix on Fedora 42

Fedora 42 — aw-server-rust — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Fedora 42 📖 ~4 min read  •  Source: Fedora update FEDORA-2026-7047e2fec5 Upstream summary: Rebuilt with openssl 0.10.79 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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Fedora 42 — nginx-mod-brotli — multiple vulnerabilities (6 CVEs) — patch and remediation guide — diagnosis and fix on Fedora 42

Fedora 42 — nginx-mod-brotli — multiple vulnerabilities (6 CVEs) — patch and remediation guide

🔴 Critical   ⏱ 15–90 min  Last verified: 25 May 2026 Affected versions: Fedora 42 📖 ~4 min read  •  Source: Fedora update FEDORA-2026-38623b4fed Related CVEs: CVE-2026-42926 CVE-2026-42945 CVE-2026-42946 CVE-2026-42934 CVE-2026-40460 CVE-2026-40701 Upstream summary: nginx-mod-vts: – Rebuild for 1.30.1 nginx-mod-fancyindex: – Rebuild for 1.30.1 nginx-mod-naxsi: – Rebuild for 1.30.1 nginx-mod-headers-more: – Rebuild for 1.30.1 nginx-mod-brotli: […]

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Ubuntu 14.04 — ruby-rack — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 14.04

Ubuntu 14.04 — ruby-rack — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 16 March 2026 Affected versions: Ubuntu 14.04 (trusty) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-8182-1 Related CVEs: CVE-2026-34785 CVE-2026-26962 CVE-2026-26961 CVE-2026-34230 CVE-2026-34830 CVE-2026-34763 CVE-2026-34827 CVE-2026-32762  +12 more Upstream summary: Andrew Lacambra discovered that Rack did not properly parse certain regular expressions. An attacker could […]

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Ubuntu 18.04 — linux-raspi-5.4 — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 18.04

Ubuntu 18.04 — linux-raspi-5.4 — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 16 March 2026 Affected versions: Ubuntu 18.04 (bionic) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-8200-3 Related CVEs: CVE-2022-49046 CVE-2024-46816 CVE-2025-37849 CVE-2026-23060 CVE-2026-23074 CVE-2021-47599 CVE-2022-48875 CVE-2022-49072  +12 more Upstream summary: Several security issues were discovered in the Linux kernel. An attacker could possibly use these […]

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FreeBSD 15 — ossec-hids-local — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 15

FreeBSD 15 — ossec-hids-local — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 15 March 2026 Affected versions: FreeBSD 15 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: security/ossec-hids-* — root escalation via syscheck feature Related CVEs: CVE-2014-5284 CVE-2015-3222 Upstream summary: OSSEC reports: The CVE-2015-3222 vulnerability, which allows for root escalation via sys check has been fixed in […]

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NetBSD 10.0 — ruby-rails71 — vulnerability — patch and remediation guide — diagnosis and fix on NetBSD 10.0

NetBSD 10.0 — ruby-rails71 — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: NetBSD 10.0 📖 ~4 min read  •  Source: pkgsrc audit-packages entry Related CVEs: CVE-2025-55193 Upstream summary: pkgsrc audit-packages flagged ruby{31,32,33,34}-rails71<7.1.5.2 for vulnerability class 'improper-output-neutralization'. Reference: https://nvd.nist.gov/vuln/detail/CVE-2025-55193 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis […]

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FreeBSD 15 — quassel-core — security advisory — patch and remediation guide — diagnosis and fix on FreeBSD 15

FreeBSD 15 — quassel-core — security advisory — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 15 March 2026 Affected versions: FreeBSD 15 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: quassel — multiple vulnerabilities Upstream summary: Gentoo reports: quasselcore: corruption of heap metadata caused by qdatastream leading to preauth remote code execution. Severity: high, by default the server port is […]

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FreeBSD 15 — sge — security advisory — patch and remediation guide — diagnosis and fix on FreeBSD 15

FreeBSD 15 — sge — security advisory — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 15 March 2026 Affected versions: FreeBSD 15 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: sge — local root exploit in bundled rsh executable Upstream summary: Sun Microsystems reports: The SGE 6.0u7_1 release fixes a security bug which can allow malicious users to gain root […]

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FreeBSD 15 — xlockmore — vulnerability — patch and remediation guide — diagnosis and fix on FreeBSD 15

FreeBSD 15 — xlockmore — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 15 March 2026 Affected versions: FreeBSD 15 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: xlockmore — local exploit Related CVEs: CVE-2012-4524 Upstream summary: Ignatios Souvatzis of NetBSD reports: Due to an error in the dclock screensaver in xlockmore, users who explicitly use this screensaver […]

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FreeBSD 15 — ocaml-opam — vulnerability — patch and remediation guide — diagnosis and fix on FreeBSD 15

FreeBSD 15 — ocaml-opam — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 15 March 2026 Affected versions: FreeBSD 15 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: devel/ocaml-opam — CWE-24 Path Traversal: '../filedir' Related CVEs: CVE-2026-41082 Upstream summary: https://github.com/ocaml/opam/releases/tag/2.5.1 reports: In OCaml opam before 2.5.1, a .install field containing a destination filepath can use ../ to reach […]

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