Common Problems

Debian 11 — nextcloud-desktop — multiple vulnerabilities (18 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — nextcloud-desktop — multiple vulnerabilities (18 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 21 August 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2020-8189 CVE-2020-8225 CVE-2020-8227 CVE-2021-22879 CVE-2021-22895 CVE-2021-32728 CVE-2022-39331 CVE-2022-39332  +10 more Upstream summary: A cross-site scripting error in Nextcloud Desktop client 2.6.4 allowed to present any html (including local […]

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Debian 11 — php-doctrine-cache — vulnerability — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — php-doctrine-cache — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 21 August 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2015-5723 Upstream summary: Doctrine Annotations before 1.2.7, Cache before 1.3.2 and 1.4.x before 1.4.2, Common before 2.4.3 and 2.5.x before 2.5.1, ORM before 2.4.8 or 2.5.x before 2.5.1, […]

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Debian 11 — cfitsio — multiple vulnerabilities (5 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — cfitsio — multiple vulnerabilities (5 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 21 August 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2018-3846 CVE-2018-3847 CVE-2018-3848 CVE-2018-3849 CVE-2019-1010060 Upstream summary: In the ffgphd and ffgtkn functions in NASA CFITSIO 3.42, specially crafted images parsed via the library can cause a stack-based […]

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Debian 11 — at-spi2-atk — vulnerability — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — at-spi2-atk — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 21 August 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2012-3378 Upstream summary: The register_application function in atk-adaptor/bridge.c in GNOME at-spi2-atk 2.5.2 does not seed the random number generator and generates predictable temporary file names, which makes it […]

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Ubuntu 16.04 — php-dompdf — multiple vulnerabilities (5 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 16.04

Ubuntu 16.04 — php-dompdf — multiple vulnerabilities (5 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 21 August 2022 Affected versions: Ubuntu 16.04 (xenial) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-6277-1 Related CVEs: CVE-2014-5011 CVE-2014-5012 CVE-2014-5013 CVE-2021-3838 CVE-2022-2400 Upstream summary: It was discovered that Dompdf was not properly validating untrusted input when processing HTML content under certain circumstances. An attacker […]

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Ubuntu 22.04 — varnish — multiple vulnerabilities (5 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 22.04

Ubuntu 22.04 — varnish — multiple vulnerabilities (5 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 21 August 2022 Affected versions: Ubuntu 22.04 (jammy) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-7372-1 Related CVEs: CVE-2022-45060 CVE-2019-20637 CVE-2020-11653 CVE-2021-36740 CVE-2022-23959 Upstream summary: Martin van Kervel Smedshammer discovered that Varnish did not properly sanitize certain HTTP headers. A remote attacker could possibly use […]

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Ubuntu 18.04 — plantuml — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 18.04

Ubuntu 18.04 — plantuml — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 21 August 2022 Affected versions: Ubuntu 18.04 (bionic) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-7353-1 Related CVEs: CVE-2022-1231 Upstream summary: Tobias S. Fink discovered that PlantUML was susceptible to cross-site scripting attacks (XSS) in instances where SVG images were rendered. An attacker could possibly […]

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Oracle Linux 8 — python-pillow — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — python-pillow — vulnerability — patch and remediation guide (ELSA-2022-0643)

🟠 High   ⏱ 15–60 min  Last verified: 21 August 2022 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2022-0643 Related CVEs: CVE-2022-22817 CVE-2022-22816 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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Oracle Linux 9 — pcre2 — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 9

Oracle Linux 9 — pcre2 — vulnerability — patch and remediation guide (ELSA-2022-5251)

🟡 Medium   ⏱ 10–30 min  Last verified: 21 August 2022 Affected versions: Oracle Linux 9 📖 ~4 min read  •  Source: ELSA advisory ELSA-2022-5251 Related CVEs: CVE-2022-1587 CVE-2022-1586 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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Alpine Linux edge — libsass — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on Alpine Linux edge

Alpine Linux edge — libsass — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Alpine Linux edge / fixed in 3.6.6-r0 📖 ~4 min read  •  Source: Alpine secdb entry — libsass 3.6.6-r0 Related CVEs: CVE-2022-26592 CVE-2022-43357 CVE-2022-43358 Upstream summary: Alpine community repository for vedge ships libsass 3.6.6-r0 which addresses CVE-2022-26592. Table of contents Symptom & […]

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