Common Problems

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

AlmaLinux 8 — pesign — vulnerability — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: AlmaLinux 8 📖 ~4 min read  •  Source: AlmaLinux ALSA ALSA-2023:1572 Related CVEs: CVE-2022-3560 Upstream summary: The pesign packages provide the pesign utility for signing UEFI binaries as well as other associated tools. Security Fix(es): * pesign: Local privilege escalation on pesign […]

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FreeBSD 13 — py311-Flask-Cors — vulnerability — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — py311-Flask-Cors — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 8 March 2022 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: py-Flask-Cors — directory traversal vulnerability Related CVEs: CVE-2020-25032 Upstream summary: praetorian-colby-morgan reports: An issue was discovered in Flask-CORS (aka CORS Middleware for Flask) before 3.0.9. It allows ../ directory traversal […]

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FreeBSD 13 — courier-imap — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — courier-imap — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 8 March 2022 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: courier-imap — format string vulnerability in debug mode Related CVEs: CVE-2004-0224 CVE-2004-0777 Upstream summary: An iDEFENSE security advisory describes a format string vulnerability that could be exploited when Courier-IMAP is […]

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

Debian 11 — node-json-schema — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 8 March 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2021-3918 Upstream summary: json-schema is vulnerable to Improperly Controlled Modification of Object Prototype Attributes ('Prototype Pollution') Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis […]

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FreeBSD 13 — php55-zip — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — php55-zip — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 8 March 2022 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: php — multiple vulnerabilities Related CVEs: CVE-2015-8874 CVE-2015-8879 CVE-2016-5385 CVE-2016-5399 CVE-2016-5766 CVE-2016-5767 CVE-2016-5768 CVE-2016-5769  +12 more Upstream summary: PHP reports: Fixed bug #69975 (PHP segfaults when accessing nvarchar(max) defined columns) […]

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Gentoo Linux — dev-java/batik — multiple vulnerabilities (10 CVEs) — patch and remediation guide — diagnosis and fix on Gentoo Linux

Gentoo Linux — dev-java/batik — multiple vulnerabilities (10 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Gentoo Linux 📖 ~4 min read  •  Source: Gentoo GLSA GLSA-202401-11 Related CVEs: CVE-2018-8013 CVE-2019-17566 CVE-2020-11987 CVE-2022-38398 CVE-2022-38648 CVE-2022-40146 CVE-2022-41704 CVE-2022-42890  +2 more Upstream summary: Multiple vulnerabilities have been discovered in Apache Batik. Please review the CVE identifiers referenced below for details. […]

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

Debian 11 — valgrind — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 8 March 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2008-4865 Upstream summary: Untrusted search path vulnerability in valgrind before 3.4.0 allows local users to execute arbitrary programs via a Trojan horse .valgrindrc file in the current working […]

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

Debian 11 — libxdmcp — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 8 March 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2017-2625 Upstream summary: It was discovered that libXdmcp before 1.1.2 including used weak entropy to generate session keys. On a multi-user system using xdmcp, a local attacker could […]

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

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

🟢 Low   ⏱ 5–15 min  Last verified: 8 March 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2016-10539 Upstream summary: negotiator is an HTTP content negotiator for Node.js and is used by many modules and frameworks including Express and Koa. The header for "Accept-Language", when […]

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