Common Problems

Debian 11 — libquicktime — multiple vulnerabilities (10 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — libquicktime — multiple vulnerabilities (10 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 20 September 2021 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2016-2399 CVE-2017-12143 CVE-2017-12145 CVE-2017-9122 CVE-2017-9123 CVE-2017-9124 CVE-2017-9125 CVE-2017-9126  +2 more Upstream summary: Integer overflow in the quicktime_read_pascal function in libquicktime 1.2.4 and earlier allows remote attackers to cause […]

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

AlmaLinux 8 — jansson — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: AlmaLinux 8 📖 ~4 min read  •  Source: AlmaLinux ALSA ALBA-2022:2061 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 — freeplane — vulnerability — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — freeplane — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 20 September 2021 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2018-1000069 Upstream summary: FreePlane version 1.5.9 and earlier contains a XML External Entity (XXE) vulnerability in XML Parser in mindmap loader that can result in stealing data from […]

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Debian 11 — ziproxy — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — ziproxy — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 20 September 2021 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2009-0804 CVE-2010-1513 CVE-2010-2350 Upstream summary: Ziproxy 2.6.0, when transparent interception mode is enabled, uses the HTTP Host header to determine the remote endpoint, which allows remote attackers to […]

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Debian 11 — kgb-bot — vulnerability — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — kgb-bot — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 20 September 2021 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2015-1554 Upstream summary: kgb-bot 1.33-2 allows remote attackers to cause a denial of service (crash). Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick […]

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

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

🟡 Medium   ⏱ 10–30 min  Last verified: 20 September 2021 Affected versions: Ubuntu 20.04 (focal) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-5282-1 Related CVEs: CVE-2019-14267 CVE-2019-14934 CVE-2020-20740 CVE-2020-9549 CVE-2021-3508 Upstream summary: It was discovered that PDFResurrect was incorrectly handling corrupted PDF files. An attacker could possibly use this issue to cause […]

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Ubuntu 20.04 — zziplib — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 20.04

Ubuntu 20.04 — zziplib — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 20 September 2021 Affected versions: Ubuntu 20.04 (focal) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-6298-1 Related CVEs: CVE-2018-7727 CVE-2020-18442 Upstream summary: Liu Zhu discovered that ZZIPlib incorrectly handled certain inputs. If a user or an automated system were tricked into opening a specially crafted […]

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Oracle Linux 8 — java-1.8.0-openjdk — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — java-1.8.0-openjdk — vulnerability — patch and remediation guide (ELSA-2021-2776)

🟠 High   ⏱ 15–60 min  Last verified: 20 September 2021 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2021-2776 Related CVEs: CVE-2021-2369 CVE-2021-2341 CVE-2021-2388 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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AlmaLinux 8 — gupnp — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on AlmaLinux 8

AlmaLinux 8 — gupnp — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: AlmaLinux 8 📖 ~4 min read  •  Source: AlmaLinux ALSA ALSA-2021:2363 Related CVEs: CVE-2021-33516 CVE-2020-12695 Upstream summary: GUPnP is an object-oriented open source framework for creating UPnP devices and control points, written in C using GObject and libsoup. The GUPnP API is […]

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Oracle Linux 8 — sssd — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — sssd — vulnerability — patch and remediation guide (ELSA-2021-3151)

🟠 High   ⏱ 15–60 min  Last verified: 20 September 2021 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2021-3151 Related CVEs: CVE-2021-3621 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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