Security Hardening

Amazon Linux 2023 — kernel-livepatch-6.1.134-152.225 — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on Amazon Linux 2023

Amazon Linux 2023 — kernel-livepatch-6.1.134-152.225 — multiple vulnerabilities (3 CVEs) — patch and remediation guide

  • December 5, 2025
  • 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 ALAS2023LIVEPATCH-2025-056 Related CVEs: CVE-2025-38000 CVE-2025-38003 CVE-2025-21927 Upstream summary: In the Linux kernel, the following vulnerability has been resolved: sch_hfsc: Fix qlen accounting bug when using peek in hfsc_enqueue() (CVE-2025-38000) In […]

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Common Problems 122592

Cron Jobs Not Running Under Expected Environment

🟡 Medium   ⏱ 5–30 min  Last verified: 5 December 2025 Affected versions: FreeBSD 14 📖 ~1 min read Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & Acceptance Criteria Rollback Plan Prevention & Hardening Related Errors & […]

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FreeBSD 15 — py39-slixmpp — vulnerability — patch and remediation guide — diagnosis and fix on FreeBSD 15

FreeBSD 15 — py39-slixmpp — vulnerability — patch and remediation guide

  • December 5, 2025
  • BSD
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🟢 Low   ⏱ 5–15 min  Last verified: 5 December 2025 Affected versions: FreeBSD 15 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: Slixmpp — Lack of SSL Certificate hostname validation in XMLStream Related CVEs: CVE-2022-45197 Upstream summary: NIST reports: Slixmpp before 1.8.3 lacks SSL Certificate hostname validation in XMLStream, allowing an attacker […]

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FreeBSD 15 — py39-sentry-sdk — vulnerability — patch and remediation guide — diagnosis and fix on FreeBSD 15

FreeBSD 15 — py39-sentry-sdk — vulnerability — patch and remediation guide

  • December 5, 2025
  • BSD
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🟢 Low   ⏱ 5–15 min  Last verified: 5 December 2025 Affected versions: FreeBSD 15 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: py39-sentry-sdk — sensitive cookies leak Related CVEs: CVE-2023-28117 Upstream summary: Tom Wolters reports: When using the Django integration of the Sentry SDK in a specific configuration it is possible to […]

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FreeBSD 15 — snappymail-php — vulnerability — patch and remediation guide — diagnosis and fix on FreeBSD 15

FreeBSD 15 — snappymail-php — vulnerability — patch and remediation guide

  • December 5, 2025
  • BSD
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🟢 Low   ⏱ 5–15 min  Last verified: 5 December 2025 Affected versions: FreeBSD 15 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: SnappyMail — multiple mXSS in HTML sanitizer Related CVEs: CVE-2024-45800 Upstream summary: Oskar reports: SnappyMail uses the `cleanHtml()` function to cleanup HTML and CSS in emails. Research discovered that the […]

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FreeBSD 15 — sdl2_sound — multiple vulnerabilities (5 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 15

FreeBSD 15 — sdl2_sound — multiple vulnerabilities (5 CVEs) — patch and remediation guide

  • December 5, 2025
  • BSD
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🟡 Medium   ⏱ 10–30 min  Last verified: 5 December 2025 Affected versions: FreeBSD 15 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: sdl2_sound — multiple vulnerabilities Related CVEs: CVE-2023-45676 CVE-2023-45677 CVE-2023-45680 CVE-2023-45681 CVE-2023-45682 Upstream summary: GitHub Security Lab reports: stb_image.h and stb_vorbis libraries contain several memory access violations of different severity Wild […]

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

FreeBSD 15 — zsh — vulnerability — patch and remediation guide

  • December 5, 2025
  • BSD
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🟢 Low   ⏱ 5–15 min  Last verified: 5 December 2025 Affected versions: FreeBSD 15 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: zsh — Arbitrary command execution vulnerability Related CVEs: CVE-2021-45444 Upstream summary: Marc Cornellà reports: Some prompt expansion sequences, such as %F, support 'arguments' which are themselves expanded in case they […]

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

Debian 13 — myrepos — vulnerability — patch and remediation guide

  • December 5, 2025
  • Linux
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🟢 Low   ⏱ 5–15 min  Last verified: 5 December 2025 Affected versions: Debian 13 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2018-7032 Upstream summary: webcheckout in myrepos through 1.20171231 does not sanitize URLs that are passed to git clone, allowing a malicious website operator or a MitM attacker to take […]

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FreeBSD 15 — py27-gunicorn — vulnerability — patch and remediation guide — diagnosis and fix on FreeBSD 15

FreeBSD 15 — py27-gunicorn — vulnerability — patch and remediation guide

  • December 5, 2025
  • BSD
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🟢 Low   ⏱ 5–15 min  Last verified: 5 December 2025 Affected versions: FreeBSD 15 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: py-gunicorn — CWE-113 vulnerability Related CVEs: CVE-2018-1000164 Upstream summary: Everardo reports: gunicorn version 19.4.5 contains a CWE-113: Improper Neutralization of CRLF Sequences in HTTP Headers vulnerability in process_headers function in […]

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NetBSD 9.4 — gtar — vulnerability — patch and remediation guide — diagnosis and fix on NetBSD 9.4

NetBSD 9.4 — gtar — vulnerability — patch and remediation guide

  • December 5, 2025
  • BSD
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🟡 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-2025-45582 Upstream summary: pkgsrc audit-packages flagged gtar-[0-9]* for vulnerability class 'directory-traversal'. Reference: https://nvd.nist.gov/vuln/detail/CVE-2025-45582 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis […]

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