Common Problems

Arch Linux — apache — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Arch Linux

Arch Linux — apache — multiple vulnerabilities (20 CVEs) — patch and remediation guide

  • December 19, 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-202110-1 Related CVEs: CVE-2021-42013 CVE-2019-0220 CVE-2019-0217 CVE-2019-0215 CVE-2019-0211 CVE-2019-0197 CVE-2019-0196 CVE-2017-9789  +12 more Upstream summary: Type: directory traversal. Status: Fixed. Affected: 2.4.50-1. Fixed in: 2.4.51-1. Group: AVG-2450. Table of contents […]

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IBM AIX 7.3 — CVE-2020-4937 — vulnerability — patch and remediation guide — diagnosis and fix on IBM AIX 7.3

IBM AIX 7.3 — CVE-2020-4937 — vulnerability — patch and remediation guide

🟠 High   ⏱ 30–90 min  Last verified: 19 December 2021 Affected versions: IBM AIX 7.3 📖 ~4 min read  •  Source: NVD CVE-2020-4937, IBM Support Bulletin CVE: CVE-2020-4937 NVD summary: IBM Sterling B2B Integrator Standard Edition 5.2.0.0 through 6.0.3.2 uses weaker than expected cryptographic algorithms that could allow an attacker to decrypt highly sensitive […]

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Oracle Linux 8 — curl — security and stability fixes — required update — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — curl — security and stability fixes — required update (ELSA-2023-2963)

  • December 18, 2021
  • Linux
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🟢 Low   ⏱ 5–15 min  Last verified: 18 December 2021 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2023-2963 Related CVEs: CVE-2022-43552 CVE-2022-35252 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & […]

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FreeBSD 13 — rubygem-doorkeeper-rails — vulnerability — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — rubygem-doorkeeper-rails — vulnerability — patch and remediation guide

  • December 18, 2021
  • BSD
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🟢 Low   ⏱ 5–15 min  Last verified: 18 December 2021 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: rubygem-doorkeeper — token revocation vulnerability Related CVEs: CVE-2018-1000211 Upstream summary: NVD reports: Doorkeeper version 4.2.0 and later contains a Incorrect Access Control vulnerability in Token revocation API's authorized method that […]

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FreeBSD 13 — gtetrinet — vulnerability — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — gtetrinet — vulnerability — patch and remediation guide

  • December 18, 2021
  • BSD
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🟢 Low   ⏱ 5–15 min  Last verified: 18 December 2021 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: gtetrinet — remote code execution Related CVEs: CVE-2006-3125 Upstream summary: The Debian Security Team reports: Michael Gehring discovered several potential out-of-bounds index accesses in gtetrinet, a multiplayer Tetris-like game, which […]

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FreeBSD 13 — atutor — security advisory — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — atutor — security advisory — patch and remediation guide

  • December 18, 2021
  • BSD
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🟢 Low   ⏱ 5–15 min  Last verified: 18 December 2021 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: atutor — multiple vulnerabilities Upstream summary: ATutor reports: Security Fixes: Added a new layer of security over all php superglobals, fixed several XSS, CSRF, and SQL injection vulnerabilities. Table of […]

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

Debian 11 — redir — vulnerability — patch and remediation guide

  • December 18, 2021
  • Linux
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🟢 Low   ⏱ 5–15 min  Last verified: 18 December 2021 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2020-37182 Upstream summary: Redir 3.3 contains a stack overflow vulnerability in the doproxyconnect() function that allows attackers to crash the application by sending oversized input. Attackers can exploit […]

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Debian 11 — node-getobject — vulnerability — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — node-getobject — vulnerability — patch and remediation guide

  • December 18, 2021
  • Linux
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🟢 Low   ⏱ 5–15 min  Last verified: 18 December 2021 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2020-28282 Upstream summary: Prototype pollution vulnerability in 'getobject' version 0.1.0 allows an attacker to cause a denial of service and may lead to remote code execution. Table of […]

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AlmaLinux 8 — jctools — vulnerability — patch and remediation guide — diagnosis and fix on AlmaLinux 8

AlmaLinux 8 — jctools — vulnerability — patch and remediation guide

  • December 18, 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 ALEA-2022:1963 Upstream summary: This enhancement update adds the log4j:2 module to AlmaLinux (BZ#1937468) For detailed information on changes in this release, see the AlmaLinux Release Notes linked from the References section. Table […]

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