2021 - Page 155 of 759

FreeBSD 13 — py27-pillow — multiple vulnerabilities (10 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — py27-pillow — multiple vulnerabilities (10 CVEs) — patch and remediation guide

  • October 20, 2021
  • BSD
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🟠 High   ⏱ 15–60 min  Last verified: 20 October 2021 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: Pillow — Multiple vulnerabilities Related CVEs: CVE-2016-0740 CVE-2016-0775 CVE-2016-9189 CVE-2016-9190 CVE-2019-16865 CVE-2019-19911 CVE-2020-5310 CVE-2020-5311  +2 more Upstream summary: Pillow developers report: This release addresses several security problems, as well as […]

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AlmaLinux 8 — tpm2-abrmd — vulnerability — patch and remediation guide — diagnosis and fix on AlmaLinux 8

AlmaLinux 8 — tpm2-abrmd — vulnerability — patch and remediation guide

  • October 20, 2021
  • Linux
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🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: AlmaLinux 8 📖 ~4 min read  •  Source: AlmaLinux ALSA ALBA-2021:1660 Upstream summary: For detailed information on changes in this release, see the AlmaLinux Release Notes linked from the References section. Table of contents Symptom & Impact Environment & Reproduction Root Cause […]

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Debian 11 — libpoe-component-irc-perl — vulnerability — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — libpoe-component-irc-perl — vulnerability — patch and remediation guide

  • October 20, 2021
  • Linux
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🟢 Low   ⏱ 5–15 min  Last verified: 20 October 2021 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2010-3438 Upstream summary: libpoe-component-irc-perl before v6.32 does not remove carriage returns and line feeds. This can be used to execute arbitrary IRC commands by passing an argument such […]

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Common Problems 121574

Debian 9 – sudo fails in automation with no tty present

  • October 20, 2021
  • Linux
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🟡 Medium   ⏱ 5–30 min  Last verified: 20 October 2021 Affected versions: Debian 9 📖 ~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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How to Configure Suricata IDS on FreeBSD 13 — step-by-step FreeBSD 13 tutorial on Progressive Robot

How to Configure Suricata IDS on FreeBSD 13

  • October 20, 2021
  • FreeBSD
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Introduction FreeBSD 13 is a UNIX-derived operating system renowned for its network stack performance, ZFS integration, and Jail isolation primitives. Setting up configure suricata ids on freebsd 13 on FreeBSD 13 follows the rc.conf/service(8) paradigm rather than systemd, which means enabling a service and configuring its startup options are done differently from any Linux distribution. […]

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Debian 11 — atftp — multiple vulnerabilities (6 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — atftp — multiple vulnerabilities (6 CVEs) — patch and remediation guide

  • October 20, 2021
  • Linux
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🟡 Medium   ⏱ 10–30 min  Last verified: 20 October 2021 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2003-0380 CVE-2019-11365 CVE-2019-11366 CVE-2020-6097 CVE-2021-41054 CVE-2021-46671 Upstream summary: Buffer overflow in atftp daemon (atftpd) 0.6.1 and earlier, and possibly later versions, allows remote attackers to cause a denial […]

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Common Problems 115458

RHEL 7 SSH Service Starts but Port 22 Is Unreachable

  • October 20, 2021
  • Linux
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🟡 Medium   ⏱ 5–30 min  Last verified: 20 October 2021 📖 ~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 13 — py37-yaml — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — py37-yaml — multiple vulnerabilities (3 CVEs) — patch and remediation guide

  • October 20, 2021
  • BSD
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🟡 Medium   ⏱ 10–30 min  Last verified: 20 October 2021 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: PyYAML — arbitrary code execution Related CVEs: CVE-2017-18342 CVE-2020-14343 CVE-2020-1747 Upstream summary: A vulnerability was discovered in the PyYAML library in versions before 5.4, where it is susceptible to arbitrary […]

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Debian 11 — vobcopy — vulnerability — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — vobcopy — vulnerability — patch and remediation guide

  • October 20, 2021
  • Linux
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🟢 Low   ⏱ 5–15 min  Last verified: 20 October 2021 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2007-5718 Upstream summary: vobcopy 0.5.14 allows local users to append data to an arbitrary file, or create an arbitrary new file, via a symlink attack on the (1) […]

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Common Problems 113122

Windows Server 2016 — NIC Teaming failover delay creates transient packet blackholes in bonded interfaces — Fix & Prevention

🟠 High   ⏱ 5–30 min  Last verified: 20 October 2021 Affected versions: Windows Server 2016 📖 ~2 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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