Common Problems

FreeBSD 13 — apache+mod_ssl+mod_snmp+mod_deflate+ipv — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — apache+mod_ssl+mod_snmp+mod_deflate+ipv — multiple vulnerabilities (3 CVEs) — patch and remediation guide

  • May 20, 2021
  • BSD
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🟡 Medium   ⏱ 10–30 min  Last verified: 20 May 2021 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: apache — Prevent chunk-size integer overflow on platforms where sizeof(int) < sizeof(long) Related CVEs: CVE-2005-2088 CVE-2005-3352 CVE-2006-3747 Upstream summary: Apache ChangeLog reports: Integer overflow in the ap_proxy_send_fb function in proxy/proxy_util.c […]

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Common Problems 117564

Ubuntu 20.04 LTS Python pip SSL Certificate Verify Failed

  • May 20, 2021
  • Linux
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🟡 Medium   ⏱ 5–30 min  Last verified: 20 May 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 — pear-Net_Ping — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — pear-Net_Ping — multiple vulnerabilities (2 CVEs) — patch and remediation guide

  • May 20, 2021
  • BSD
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🟢 Low   ⏱ 5–15 min  Last verified: 20 May 2021 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: PEAR — Net_Ping and Net_Traceroute remote arbitrary command injection Related CVEs: CVE-2009-4024 CVE-2009-4025 Upstream summary: PEAR Security Advisory reports: Multiple remote arbitrary command injections have been found in the Net_Ping […]

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FreeBSD 13 — ossec-hids-client — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — ossec-hids-client — multiple vulnerabilities (2 CVEs) — patch and remediation guide

  • May 20, 2021
  • BSD
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🟢 Low   ⏱ 5–15 min  Last verified: 20 May 2021 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: security/ossec-hids-* — root escalation via syscheck feature Related CVEs: CVE-2014-5284 CVE-2015-3222 Upstream summary: OSSEC reports: The CVE-2015-3222 vulnerability, which allows for root escalation via sys check has been fixed in […]

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openSUSE Tumbleweed — libgmp10 — vulnerability — patch and remediation guide — diagnosis and fix on openSUSE Tumbleweed

openSUSE Tumbleweed — libgmp10 — vulnerability — patch and remediation guide

  • May 20, 2021
  • Linux
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🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read  •  Source: SUSE advisory openSUSE-SU-2021:1569-1 (see also SUSE bugzilla) Related CVEs: CVE-2021-43618 Upstream summary: GNU Multiple Precision Arithmetic Library (GMP) through 6.2.1 has an mpz/inp_raw.c integer overflow and resultant buffer overflow via crafted input, leading to […]

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Common Problems 112581

Windows Server 2019 – Docker service fails to start after reboot on container host – Fix & Prevention

🟠 High   ⏱ 5–30 min  Last verified: 20 May 2021 Affected versions: Windows Server 2019 📖 ~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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Debian 10 — libphp-adodb — vulnerability — patch and remediation guide — diagnosis and fix on Debian 10

Debian 10 — libphp-adodb — vulnerability — patch and remediation guide

  • May 20, 2021
  • Linux
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🟢 Low   ⏱ 5–15 min  Last verified: 20 May 2021 Affected versions: Debian 10 (buster) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2021-3850 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & Acceptance […]

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openSUSE Tumbleweed — zsh — multiple vulnerabilities (7 CVEs) — patch and remediation guide — diagnosis and fix on openSUSE Tumbleweed

openSUSE Tumbleweed — zsh — multiple vulnerabilities (7 CVEs) — patch and remediation guide

  • May 20, 2021
  • Linux
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🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read  •  Source: SUSE advisory openSUSE-SU-2022:0735-1 (see also SUSE bugzilla) Related CVEs: CVE-2021-45444 CVE-2018-0502 CVE-2018-1100 CVE-2018-13259 CVE-2019-20044 CVE-2018-1083 CVE-2018-1071 Upstream summary: In zsh before 5.8.1, an attacker can achieve code execution if they control a command output […]

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Ubuntu 20.04 — freeimage — multiple vulnerabilities (5 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 20.04

Ubuntu 20.04 — freeimage — multiple vulnerabilities (5 CVEs) — patch and remediation guide

  • May 20, 2021
  • Linux
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🟡 Medium   ⏱ 10–30 min  Last verified: 20 May 2021 Affected versions: Ubuntu 20.04 (focal) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-6586-1 Related CVEs: CVE-2019-12211 CVE-2019-12213 CVE-2020-21427 CVE-2020-21428 CVE-2020-22524 Upstream summary: It was discovered that FreeImage incorrectly handled certain memory operations. If a user were tricked into opening a crafted TIFF […]

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Arch Linux — drupal — multiple vulnerabilities (6 CVEs) — patch and remediation guide — diagnosis and fix on Arch Linux

Arch Linux — drupal — multiple vulnerabilities (6 CVEs) — patch and remediation guide

  • May 20, 2021
  • Linux
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🔴 Critical   ⏱ 15–90 min  Last verified: 25 May 2026 Affected versions: Arch Linux (rolling release) 📖 ~4 min read  •  Source: Arch ASA ASA-201804-10 Related CVEs: CVE-2018-7602 CVE-2018-7600 CVE-2021-33829 CVE-2016-9452 CVE-2016-9450 CVE-2016-9449 Upstream summary: Type: arbitrary command execution. Status: Fixed. Affected: 8.5.2-1. Fixed in: 8.5.3-1. Group: AVG-679. Table of contents Symptom & Impact […]

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