Common Problems

Ubuntu 18.04 — vino — multiple vulnerabilities (8 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 18.04

Ubuntu 18.04 — vino — multiple vulnerabilities (8 CVEs) — patch and remediation guide

  • June 5, 2020
  • Linux
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🟡 Medium   ⏱ 10–30 min  Last verified: 5 June 2020 Affected versions: Ubuntu 18.04 (bionic) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-4636-1 Related CVEs: CVE-2020-25708 CVE-2014-6053 CVE-2018-7225 CVE-2019-15681 CVE-2020-14397 CVE-2020-14402 CVE-2020-14403 CVE-2020-14404 Upstream summary: It was discovered that LibVNCServer incorrectly handled certain internals. An attacker could possibly use this issue to […]

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SLES 15 — google-compute-engine-init — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on SLES 15

SLES 15 — google-compute-engine-init — multiple vulnerabilities (3 CVEs) — patch and remediation guide

  • June 5, 2020
  • Linux
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🟠 High   ⏱ 15–60 min  Last verified: 5 June 2020 Affected versions: SLES 15 📖 ~4 min read  •  Source: SUSE advisory SUSE-SU-2020:1934-1 (see also SUSE bugzilla) Related CVEs: CVE-2020-8903 CVE-2020-8907 CVE-2020-8933 Upstream summary: A vulnerability in Google Cloud Platform's guest-oslogin versions between 20190304 and 20200507 allows a user that is only granted the […]

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Arch Linux — gettext — vulnerability — patch and remediation guide — diagnosis and fix on Arch Linux

Arch Linux — gettext — vulnerability — patch and remediation guide

  • June 5, 2020
  • Linux
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🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Arch Linux (rolling release) 📖 ~4 min read  •  Source: Arch ASA ASA-201908-14 Related CVEs: CVE-2018-18751 Upstream summary: Type: arbitrary code execution. Status: Fixed. Affected: 0.19.8.1-1. Fixed in: 0.20.1-1. Group: AVG-885. Table of contents Symptom & Impact Environment & Reproduction Root Cause […]

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Common Problems 121003

Debian 10: SSH access denied after sshd Match rule change

  • June 4, 2020
  • Linux
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🔴 Critical   ⏱ 5–30 min  Last verified: 4 June 2020 Affected versions: Debian 10 📖 ~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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openSUSE Tumbleweed — python36-bottle — vulnerability — patch and remediation guide — diagnosis and fix on openSUSE Tumbleweed

openSUSE Tumbleweed — python36-bottle — vulnerability — patch and remediation guide

  • June 4, 2020
  • Linux
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🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read  •  Source: SUSE security advisory Related CVEs: CVE-2016-9964 Upstream summary: redirect() in bottle.py in bottle 0.12.10 doesn't filter a "rn" sequence, which leads to a CRLF attack, as demonstrated by a redirect("233rnSet-Cookie: name=salt") call. Table of […]

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Common Problems 118481

Ubuntu 16.04 LTS – apt update fails with Hash Sum mismatch – Fix & Prevention

  • June 4, 2020
  • Linux
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🟡 Medium   ⏱ 5–30 min  Last verified: 4 June 2020 Affected versions: Ubuntu 16.04 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 12 — mplayer-gtk2-esound — multiple vulnerabilities (15 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — mplayer-gtk2-esound — multiple vulnerabilities (15 CVEs) — patch and remediation guide

  • June 4, 2020
  • BSD
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🟠 High   ⏱ 15–60 min  Last verified: 4 June 2020 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: mplayer — vulnerability in STR files processor Related CVEs: CVE-2004-0433 CVE-2004-1187 CVE-2004-1188 CVE-2005-1195 CVE-2006-1502 CVE-2006-6172 CVE-2007-1246 CVE-2007-2948  +7 more Upstream summary: Secunia reports: The vulnerability is caused due to a […]

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FreeBSD 12 — drm-fbsd11.2-kmod — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — drm-fbsd11.2-kmod — multiple vulnerabilities (3 CVEs) — patch and remediation guide

  • June 4, 2020
  • BSD
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🟡 Medium   ⏱ 10–30 min  Last verified: 4 June 2020 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: drm graphics drivers — potential information disclusure via local access Related CVEs: CVE-2019-0154 CVE-2019-11112 CVE-2019-14615 Upstream summary: Intel reports: .A potential security vulnerability in Intel(R) Processor Graphics may allow information […]

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Common Problems 117414

Ubuntu 20.04 LTS DNS Resolution Failure with systemd-resolved

  • June 4, 2020
  • Linux
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🟡 Medium   ⏱ 5–30 min  Last verified: 4 June 2020 📖 ~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 & Cross-Refs References & Further […]

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FreeBSD 12 — py37-pyrad — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — py37-pyrad — multiple vulnerabilities (2 CVEs) — patch and remediation guide

  • June 4, 2020
  • BSD
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🟢 Low   ⏱ 5–15 min  Last verified: 4 June 2020 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: pyrad — multiple vulnerabilities Related CVEs: CVE-2013-0294 CVE-2013-0342 Upstream summary: Nathaniel McCallum reports: packet.py in pyrad before 2.1 uses weak random numbers to generate RADIUS authenticators and hash passwords, which […]

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