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

Debian 11 — cvxopt — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 4 March 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2021-41500 Upstream summary: Incomplete string comparison vulnerability exits in cvxopt.org cvxop <= 1.2.6 in APIs (cvxopt.cholmod.diag, cvxopt.cholmod.getfactor, cvxopt.cholmod.solve, cvxopt.cholmod.spsolve), which allows attackers to conduct Denial of Service attacks […]

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Alpine Linux edge — epub2txt — vulnerability — patch and remediation guide — diagnosis and fix on Alpine Linux edge

Alpine Linux edge — epub2txt — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Alpine Linux edge / fixed in 2.06-r0 📖 ~4 min read  •  Source: Alpine secdb entry — epub2txt 2.06-r0 Related CVEs: CVE-2022-23850 Upstream summary: Alpine community repository for vedge ships epub2txt 2.06-r0 which addresses CVE-2022-23850. Table of contents Symptom & Impact Environment […]

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Debian 11 — libhtml-parser-perl — vulnerability — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — libhtml-parser-perl — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 4 March 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2009-3627 Upstream summary: The decode_entities function in util.c in HTML-Parser before 3.63 allows context-dependent attackers to cause a denial of service (infinite loop) via an incomplete SGML numeric […]

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

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

🟠 High   ⏱ 15–60 min  Last verified: 4 March 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2014-9351 CVE-2016-9400 CVE-2018-18541 CVE-2019-10877 CVE-2019-10878 CVE-2019-10879 CVE-2020-12066 CVE-2021-43518  +2 more Upstream summary: engine/server/server.cpp in Teeworlds 0.6.x before 0.6.3 allows remote attackers to read memory and cause a denial […]

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openSUSE Tumbleweed — uwsc — vulnerability — patch and remediation guide — diagnosis and fix on openSUSE Tumbleweed

openSUSE Tumbleweed — uwsc — vulnerability — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read  •  Source: SUSE security advisory (see also SUSE bugzilla) Related CVEs: CVE-2021-40540 Upstream summary: ulfius_uri_logger in Ulfius HTTP Framework before 2.7.4 omits con_info initialization and a con_info->request NULL check for certain malformed HTTP requests. Table of […]

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

Debian 11 — ruby-secure-headers — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 4 March 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2020-5216 CVE-2020-5217 Upstream summary: In Secure Headers (RubyGem secure_headers), a directive injection vulnerability is present in versions before 3.9.0, 5.2.0, and 6.3.0. If user-supplied input was passed into […]

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SLES 15 — jawn-util — vulnerability — patch and remediation guide — diagnosis and fix on SLES 15

SLES 15 — jawn-util — vulnerability — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 4 March 2022 Affected versions: SLES 15 📖 ~4 min read  •  Source: SUSE advisory openSUSE-SU-2022:0011-1 (see also SUSE bugzilla) Related CVEs: CVE-2022-21653 Upstream summary: Jawn is an open source JSON parser. Extenders of the `org.typelevel.jawn.SimpleFacade` and `org.typelevel.jawn.MutableFacade` who don't override `objectContext()` are vulnerable to a hash […]

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How to Install PostgreSQL on Debian 11 — step-by-step Debian 11 tutorial on Progressive Robot

How to Install PostgreSQL on Debian 11

Introduction How to Install PostgreSQL on Debian 11 is a fundamental operation for any administrator maintaining a Debian 11 Bullseye server. Debian 11 Bullseye ships with the Linux 6.12 kernel, updated toolchains, and a fully refreshed package archive — meaning version numbers, configuration file paths, and some dependency chains differ from Debian 11. This tutorial […]

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openSUSE Tumbleweed — php7-pear — vulnerability — patch and remediation guide — diagnosis and fix on openSUSE Tumbleweed

openSUSE Tumbleweed — php7-pear — vulnerability — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read  •  Source: SUSE advisory SUSE-SU-2022:3198-1 Related CVEs: CVE-2021-32610 Upstream summary: In Archive_Tar before 1.4.14, symlinks can refer to targets outside of the extracted archive, a different vulnerability than CVE-2020-36193. Table of contents Symptom & Impact Environment […]

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

Oracle Linux 8 — firefox — vulnerability — patch and remediation guide (ELSA-2022-4872)

🟠 High   ⏱ 15–60 min  Last verified: 4 March 2022 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2022-4872 Related CVEs: CVE-2022-31738 CVE-2022-31747 CVE-2022-31737 CVE-2022-31740 CVE-2022-31736 CVE-2022-31741 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – […]

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