Common Problems

openSUSE Tumbleweed — php-composer — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on openSUSE Tumbleweed

openSUSE Tumbleweed — php-composer — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read  •  Source: SUSE advisory openSUSE-SU-2022:0132-1 (see also SUSE bugzilla) Related CVEs: CVE-2022-24828 CVE-2021-41116 CVE-2021-29472 Upstream summary: Composer is a dependency manager for the PHP programming language. Integrators using Composer code to call `VcsDriver::getFileContent` can have a […]

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Oracle Linux 8 — bind9.16 — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — bind9.16 — vulnerability — patch and remediation guide (ELSA-2022-7643)

🟠 High   ⏱ 15–60 min  Last verified: 6 April 2022 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2022-7643 Related CVEs: CVE-2021-25220 CVE-2022-0396 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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Debian 11 — unbound — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — unbound — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 6 April 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2009-3602 CVE-2009-4008 CVE-2010-0969 CVE-2011-1922 CVE-2011-4528 CVE-2011-4869 CVE-2014-8602 CVE-2017-15105  +12 more Upstream summary: Unbound before 1.3.4 does not properly verify signatures for NSEC3 records, which allows remote attackers to […]

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Common Problems 120478

Debian 11 – apt update shows NO_PUBKEY and rejects repository signatures

🟠 High   ⏱ 5–30 min  Last verified: 6 April 2022 Affected versions: Debian 11 📖 ~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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IBM AIX 7.3 — CVE-2021-20448 — xss — patch and remediation guide — diagnosis and fix on IBM AIX 7.3

IBM AIX 7.3 — CVE-2021-20448 — xss — patch and remediation guide

🟡 Medium   ⏱ 15–45 min  Last verified: 5 April 2022 Affected versions: IBM AIX 7.3 📖 ~4 min read  •  Source: NVD CVE-2021-20448, IBM Support Bulletin CVE: CVE-2021-20448 NVD summary: IBM Content Navigator 3.0.CD is vulnerable to cross-site scripting. This vulnerability allows users to embed arbitrary JavaScript code in the Web UI thus altering […]

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Oracle Linux 8 — libjpeg-turbo — security and stability fixes — required update — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — libjpeg-turbo — security and stability fixes — required update (ELSA-2021-4288)

🟡 Medium   ⏱ 10–30 min  Last verified: 5 April 2022 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2021-4288 Related CVEs: CVE-2020-17541 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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FreeBSD 13 — libevent — multiple vulnerabilities (4 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — libevent — multiple vulnerabilities (4 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 5 April 2022 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: libevent — multiple vulnerabilities Related CVEs: CVE-2014-6272 CVE-2016-10195 CVE-2016-10196 CVE-2016-10197 Upstream summary: Debian Security reports: CVE-2016-10195: The name_parse function in evdns.c in libevent before 2.1.6-beta allows remote attackers to have […]

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FreeBSD 13 — py31-django — multiple vulnerabilities (5 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — py31-django — multiple vulnerabilities (5 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 5 April 2022 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: django — multiple vulnerabilities Related CVEs: CVE-2009-3695 CVE-2010-3082 CVE-2014-0472 CVE-2014-0473 CVE-2014-0474 Upstream summary: The Django project reports: These releases address an unexpected code-execution issue, a caching issue which can expose […]

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FreeBSD 13 — p5-Email-Address-List — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — p5-Email-Address-List — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 5 April 2022 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: p5-Email-Address-List — DDoS related vulnerability Related CVEs: CVE-2014-1474 CVE-2018-18898 Upstream summary: Best PRactical Solutions reports: 0.06 2019-01-02 – Changes to address CVE-2018-18898 which could allow DDoS-type attacks. Thanks to Lukas […]

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