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Ubuntu 20.04 — linux-hwe-5.15 — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 20.04

Ubuntu 20.04 — linux-hwe-5.15 — multiple vulnerabilities (20 CVEs) — patch and remediation guide

  • February 2, 2026
  • Linux
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🟠 High   ⏱ 15–60 min  Last verified: 2 February 2026 Affected versions: Ubuntu 20.04 (focal) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-8279-1 Related CVEs: CVE-2024-35862 CVE-2024-50060 CVE-2026-23274 CVE-2026-23351 CVE-2026-31419 CVE-2026-31431 CVE-2026-31504 CVE-2026-31533  +12 more Upstream summary: It was discovered that the Linux kernel algif_aead module did not properly handle in-place cryptographic […]

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NetBSD 10.0 — opengrok — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on NetBSD 10.0

NetBSD 10.0 — opengrok — multiple vulnerabilities (2 CVEs) — patch and remediation guide

  • February 1, 2026
  • BSD
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🟡 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-2021-2322 CVE-2025-30755 Upstream summary: pkgsrc audit-packages flagged opengrok<1.6.9 for vulnerability class 'unspecified'. Reference: https://nvd.nist.gov/vuln/detail/CVE-2021-2322 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step […]

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Common Problems 114062

Postfix relay denied by SELinux policy

🟠 High   ⏱ 5–30 min  Last verified: 1 February 2026 Affected versions: RHEL 10.0 RHEL 10.1 📖 ~1 min read Table of contents Problem Summary Symptoms Diagnostics Root Cause Primary Fix Verification Prevention Rollback Automation Command Reference Escalation Related Notes Problem Summary Mail relay attempts fail due to SELinux denials in postfix context. Symptoms […]

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Alpine Linux edge — perl-xml-sig — vulnerability — patch and remediation guide — diagnosis and fix on Alpine Linux edge

Alpine Linux edge — perl-xml-sig — vulnerability — patch and remediation guide

  • February 1, 2026
  • Linux
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🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Alpine Linux edge / fixed in 0.68-r0 📖 ~4 min read  •  Source: Alpine secdb entry — perl-xml-sig 0.68-r0 Related CVEs: CVE-2025-40934 Upstream summary: Alpine community repository for vedge ships perl-xml-sig 0.68-r0 which addresses CVE-2025-40934. Table of contents Symptom & Impact Environment […]

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FreeBSD 15 — php56-sqlite — security advisory — patch and remediation guide — diagnosis and fix on FreeBSD 15

FreeBSD 15 — php56-sqlite — security advisory — patch and remediation guide

  • February 1, 2026
  • BSD
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🟢 Low   ⏱ 5–15 min  Last verified: 1 February 2026 Affected versions: FreeBSD 15 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: php — use-after-free vulnerability Upstream summary: Symeon Paraschoudis reports: Use-after-free vulnerability in sqlite3SafetyCheckSickOrOk() Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution […]

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

FreeBSD 15 — diablo-jdk — multiple vulnerabilities (2 CVEs) — patch and remediation guide

  • February 1, 2026
  • BSD
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🟢 Low   ⏱ 5–15 min  Last verified: 1 February 2026 Affected versions: FreeBSD 15 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: jdk — jar directory traversal vulnerability Related CVEs: CVE-2004-1029 CVE-2005-1080 Upstream summary: Pluf has discovered a vulnerability in Sun Java JDK/SDK, which potentially can be exploited by malicious people to […]

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FreeBSD 15 — php70-snmp — multiple vulnerabilities (12 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 15

FreeBSD 15 — php70-snmp — multiple vulnerabilities (12 CVEs) — patch and remediation guide

  • February 1, 2026
  • BSD
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🟠 High   ⏱ 15–60 min  Last verified: 1 February 2026 Affected versions: FreeBSD 15 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: php — multiple vulnerabilities Related CVEs: CVE-2015-8879 CVE-2016-5385 CVE-2016-5399 CVE-2016-6288 CVE-2016-6289 CVE-2016-6290 CVE-2016-6291 CVE-2016-6292  +4 more Upstream summary: PHP reports: Fixed bug #69975 (PHP segfaults when accessing nvarchar(max) defined columns) […]

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Alpine Linux edge — bubblewrap — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on Alpine Linux edge

Alpine Linux edge — bubblewrap — multiple vulnerabilities (3 CVEs) — patch and remediation guide

  • February 1, 2026
  • Linux
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🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Alpine Linux edge / fixed in 0.4.1-r0 📖 ~4 min read  •  Source: Alpine secdb entry — bubblewrap 0.4.1-r0 Related CVEs: CVE-2020-5291 CVE-2024-42472 CVE-2026-41163 Upstream summary: Alpine main repository for vedge ships bubblewrap 0.4.1-r0 which addresses CVE-2020-5291. Table of contents Symptom & […]

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FreeBSD 15 — ghostscript-gpl — vulnerability — patch and remediation guide — diagnosis and fix on FreeBSD 15

FreeBSD 15 — ghostscript-gpl — vulnerability — patch and remediation guide

  • February 1, 2026
  • BSD
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🟢 Low   ⏱ 5–15 min  Last verified: 1 February 2026 Affected versions: FreeBSD 15 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: ghostscript — zseticcspace() function buffer overflow vulnerability Related CVEs: CVE-2008-0411 Upstream summary: Chris Evans from the Google Security Team reports: Severity: parsing of evil PostScript file will result in arbitrary […]

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