Security Hardening

AlmaLinux 9 — gnutls — multiple vulnerabilities (14 CVEs) — patch and remediation guide — diagnosis and fix on AlmaLinux 9

AlmaLinux 9 — gnutls — multiple vulnerabilities (14 CVEs) — patch and remediation guide

  • June 4, 2026
  • Linux
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🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: AlmaLinux 9 📖 ~4 min read  •  Source: AlmaLinux ALSA ALSA-2026:4188 Related CVEs: CVE-2025-14831 CVE-2025-9820 CVE-2025-32988 CVE-2025-32989 CVE-2025-32990 CVE-2025-6395 CVE-2024-12243 CVE-2024-28834  +6 more Upstream summary: The gnutls packages provide the GNU Transport Layer Security (GnuTLS) library, which implements cryptographic algorithms and protocols […]

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Common Problems 116072

Ubuntu 26.04 LTS – cloud-init hangs and instance provisioning never completes – Fix & Prevention

  • June 4, 2026
  • Linux
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🟠 High   ⏱ 5–30 min  Last verified: 4 June 2026 Affected versions: Ubuntu 26.04 LTS 📖 ~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 — ircd-ratbox — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 15

FreeBSD 15 — ircd-ratbox — multiple vulnerabilities (2 CVEs) — patch and remediation guide

  • June 4, 2026
  • BSD
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🟢 Low   ⏱ 5–15 min  Last verified: 4 June 2026 Affected versions: FreeBSD 15 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: ircd-ratbox and charybdis — remote DoS vulnerability Related CVEs: CVE-2009-4016 CVE-2010-0300 Upstream summary: atheme.org reports: All versions of Charybdis are vulnerable to a remotely-triggered crash bug caused by code originating […]

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FreeBSD 15 — bogofilter-sqlite — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 15

FreeBSD 15 — bogofilter-sqlite — multiple vulnerabilities (2 CVEs) — patch and remediation guide

  • June 4, 2026
  • BSD
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🟢 Low   ⏱ 5–15 min  Last verified: 4 June 2026 Affected versions: FreeBSD 15 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: bogofilter — heap corruption by invalid base64 input Related CVEs: CVE-2010-2494 CVE-2012-5468 Upstream summary: David Relson reports: Fix a heap corruption in base64 decoder on invalid input. Analysis and patch […]

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NetBSD 10.0 — ettercap — multiple vulnerabilities (5 CVEs) — patch and remediation guide — diagnosis and fix on NetBSD 10.0

NetBSD 10.0 — ettercap — multiple vulnerabilities (5 CVEs) — patch and remediation guide

  • June 4, 2026
  • BSD
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🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: NetBSD 10.0 📖 ~4 min read  •  Source: pkgsrc audit-packages entry Related CVEs: CVE-2017-6430 CVE-2017-8366 CVE-2010-3844 CVE-2010-3843 CVE-2026-3606 Upstream summary: pkgsrc audit-packages flagged ettercap-0.7.2 for vulnerability class 'remote-code-execution'. Reference: http://secunia.com/advisories/15535/ Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis […]

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FreeBSD 15 — py38-pillow — multiple vulnerabilities (11 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 15

FreeBSD 15 — py38-pillow — multiple vulnerabilities (11 CVEs) — patch and remediation guide

  • June 4, 2026
  • BSD
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🟠 High   ⏱ 15–60 min  Last verified: 4 June 2026 Affected versions: FreeBSD 15 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: Pillow — Regular Expression Denial of Service (ReDoS) Related CVEs: CVE-2019-19911 CVE-2020-5310 CVE-2020-5311 CVE-2020-5312 CVE-2020-5313 CVE-2021-23437 CVE-2021-25288 CVE-2021-28675  +3 more Upstream summary: GitHub Advisory Database reports: Uncontrolled Resource Consumption in […]

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NetBSD 9.4 — py-asn1 — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on NetBSD 9.4

NetBSD 9.4 — py-asn1 — multiple vulnerabilities (2 CVEs) — patch and remediation guide

  • June 4, 2026
  • BSD
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🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: NetBSD 9.4 📖 ~4 min read  •  Source: pkgsrc audit-packages entry Related CVEs: CVE-2026-23490 CVE-2026-30922 Upstream summary: pkgsrc audit-packages flagged py{27,310,311,312,313,314}-asn1<0.6.2 for vulnerability class 'denial-of-service'. Reference: https://nvd.nist.gov/vuln/detail/CVE-2026-23490 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step […]

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

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

  • June 4, 2026
  • BSD
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🟢 Low   ⏱ 5–15 min  Last verified: 4 June 2026 Affected versions: FreeBSD 15 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: monotone — remote denial of service in default setup Upstream summary: The monotone developers report: Running "mtn ''" or "mtn ls ''" doesn't cause an internal error anymore. In monotone […]

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FreeBSD 15 — squirrelmail-multilogin-plugin — security advisory — patch and remediation guide — diagnosis and fix on FreeBSD 15

FreeBSD 15 — squirrelmail-multilogin-plugin — security advisory — patch and remediation guide

  • June 4, 2026
  • BSD
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🟢 Low   ⏱ 5–15 min  Last verified: 4 June 2026 Affected versions: FreeBSD 15 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: SquirrelMail — Plug-ins compromise Upstream summary: Problem Description: The SquirrelMail Web Server has been compromised, and three plugins are affected. The port of squirrelmail-sasql-plugin is safe (right MD5), and change_pass […]

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FreeBSD 15 — py314-virtualenv — vulnerability — patch and remediation guide — diagnosis and fix on FreeBSD 15

FreeBSD 15 — py314-virtualenv — vulnerability — patch and remediation guide

  • June 4, 2026
  • BSD
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🟢 Low   ⏱ 5–15 min  Last verified: 4 June 2026 Affected versions: FreeBSD 15 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: virtualenv — CWE-59: Improper Link Resolution Before File Access ('Link Following') Related CVEs: CVE-2026-22702 Upstream summary: https://github.com/pypa/virtualenv/security/advisories/GHSA-597g-3phw-6986 reports: virtualenv is a tool for creating isolated virtual python environments. Prior to […]

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