Common Problems

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

AlmaLinux 8 — librevenge — 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-2020:1743 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 — libid3tag — multiple vulnerabilities (4 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — libid3tag — multiple vulnerabilities (4 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 29 August 2021 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2004-2779 CVE-2008-2109 CVE-2017-11550 CVE-2017-11551 Upstream summary: id3_utf16_deserialize() in utf16.c in libid3tag through 0.15.1b misparses ID3v2 tags encoded in UTF-16 with an odd number of bytes, triggering an endless […]

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Debian 11 — ruby-rest-client — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — ruby-rest-client — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 29 August 2021 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2015-1820 CVE-2015-3448 Upstream summary: REST client for Ruby (aka rest-client) before 1.8.0 allows remote attackers to conduct session fixation attacks or obtain sensitive cookie information by leveraging passage […]

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Ubuntu 20.04 — c3p0 — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 20.04

Ubuntu 20.04 — c3p0 — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 29 August 2021 Affected versions: Ubuntu 20.04 (focal) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-5293-1 Related CVEs: CVE-2019-5427 Upstream summary: Aaron Massey discovered that c3p0 could be made to crash when parsing certain input. An attacker able to modify the application's XML configuration file […]

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Gentoo Linux — sys-auth/polkit — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Gentoo Linux

Gentoo Linux — sys-auth/polkit — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Gentoo Linux 📖 ~4 min read  •  Source: Gentoo GLSA GLSA-202201-01 Related CVEs: CVE-2021-4034 CVE-2021-3560 Upstream summary: Flawed input validation of arguments was discovered in the 'pkexec' program's main() function. Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis […]

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Ubuntu 18.04 — qtsvg-opensource-src — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 18.04

Ubuntu 18.04 — qtsvg-opensource-src — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 29 August 2021 Affected versions: Ubuntu 18.04 (bionic) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-5241-1 Related CVEs: CVE-2018-19869 CVE-2021-3481 CVE-2021-45930 Upstream summary: It was discovered that QtSvg incorrectly handled certain malformed SVG images. If a user or automated system were tricked into opening a […]

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Oracle Linux 8 — krb5 — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — krb5 — vulnerability — patch and remediation guide (ELSA-2021-3576)

🟡 Medium   ⏱ 10–30 min  Last verified: 29 August 2021 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2021-3576 Related CVEs: CVE-2021-36222 CVE-2021-37750 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 — virtualbox-ose — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — virtualbox-ose — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 29 August 2021 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: virtualbox-ose — multiple vulnerabilities Related CVEs: CVE-2013-5892 CVE-2015-3456 CVE-2015-4813 CVE-2015-4896 CVE-2020-14628 CVE-2020-14629 CVE-2020-14646 CVE-2020-14647  +12 more Upstream summary: [email protected] reports: Vulnerability in the Oracle VM VirtualBox product of Oracle Virtualization […]

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FreeBSD 13 — clamav — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — clamav — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 29 August 2021 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: clamav — ClamAV UDF File Parsing Out-Of-Bounds Read Information Disclosure Vulnerability Related CVEs: CVE-2004-0270 CVE-2005-0133 CVE-2005-1922 CVE-2005-1923 CVE-2005-2919 CVE-2005-2920 CVE-2006-0162 CVE-2006-1614  +12 more Upstream summary: Cisco reports: A vulnerability in […]

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Oracle Linux 8 — nodejs:16 security, bug fix, and — enhancement update — new behaviour and fixes — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — nodejs:16 security, bug fix, and — enhancement update — new behaviour and fixes (ELSA-2021-5171)

🟡 Medium   ⏱ 10–30 min  Last verified: 28 August 2021 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2021-5171 Related CVEs: CVE-2020-7788 CVE-2021-22959 CVE-2020-28469 CVE-2021-3807 CVE-2021-22960 CVE-2021-33502 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – […]

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