Common Problems

Debian 11 — apt-cacher — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — apt-cacher — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 1 January 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2005-1854 CVE-2017-7443 Upstream summary: Unknown vulnerability in apt-cacher in Debian 3.1, related to "missing input sanitising," allows remote attackers to execute arbitrary commands on the caching server. Table […]

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

AlmaLinux 8 — irssi — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: AlmaLinux 8 📖 ~4 min read  •  Source: AlmaLinux ALSA ALSA-2020:1616 Related CVEs: CVE-2019-13045 Upstream summary: Irssi is a modular IRC client with Perl scripting. Security Fix(es): * irssi: use after free when sending SASL login to server (CVE-2019-13045) For more details […]

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

Debian 11 — byacc — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 1 January 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2008-3196 Upstream summary: skeleton.c in yacc does not properly handle reduction of a rule with an empty right hand side, which allows context-dependent attackers to cause an out-of-bounds […]

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Debian 11 — golang-github-go-macaron-csrf — vulnerability — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — golang-github-go-macaron-csrf — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 1 January 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2018-25060 Upstream summary: A vulnerability was found in Macaron csrf and classified as problematic. Affected by this issue is some unknown functionality of the file csrf.go. The manipulation […]

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Gentoo Linux — dev-util/pycharm-community — vulnerability — patch and remediation guide — diagnosis and fix on Gentoo Linux

Gentoo Linux — dev-util/pycharm-community — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Gentoo Linux 📖 ~4 min read  •  Source: Gentoo GLSA GLSA-202107-45 Related CVEs: CVE-2021-30005 Upstream summary: Insufficient validation exists within PyCharm’s checks for fetching projects from VCS. Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step […]

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

Oracle Linux 8 — kernel — vulnerability — patch and remediation guide (ELSA-2024-5101)

🟠 High   ⏱ 15–60 min  Last verified: 1 January 2022 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2024-5101 Related CVEs: CVE-2021-46939 CVE-2021-47018 CVE-2021-47257 CVE-2021-47284 CVE-2021-47304 CVE-2021-47373 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – […]

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IBM AIX 7.1 — CVE-2021-20552 — vulnerability — patch and remediation guide — diagnosis and fix on IBM AIX 7.1

IBM AIX 7.1 — CVE-2021-20552 — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 15–45 min  Last verified: 31 December 2021 Affected versions: IBM AIX 7.1 📖 ~4 min read  •  Source: NVD CVE-2021-20552, IBM Support Bulletin CVE: CVE-2021-20552 NVD summary: IBM Sterling File Gateway 6.0.0.0 through 6.1.1.0 could allow a remote attacker to obtain sensitive information when a detailed technical error message is returned […]

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FreeBSD 13 — rubygem-jquery-rails — multiple vulnerabilities (5 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — rubygem-jquery-rails — multiple vulnerabilities (5 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 31 December 2021 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: rubygem-rails — multiple vulnerabilities Related CVEs: CVE-2015-1840 CVE-2015-3224 CVE-2015-3225 CVE-2015-3226 CVE-2015-3227 Upstream summary: Ruby on Rails blog: Rails 3.2.22, 4.1.11 and 4.2.2 have been released, along with web console and […]

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Oracle Linux 8 — container-tools:ol8 security, bug fix, and — enhancement update — new behaviour and fixes — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — container-tools:ol8 security, bug fix, and — enhancement update — new behaviour and fixes (ELSA-2020-1650)

🟡 Medium   ⏱ 10–30 min  Last verified: 31 December 2021 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2020-1650 Related CVEs: CVE-2020-1726 CVE-2019-19921 CVE-2020-1702 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 — giflib — vulnerability — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — giflib — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 31 December 2021 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: giflib — heap overflow Related CVEs: CVE-2015-7555 Upstream summary: Hans Jerry Illikainen reports: A heap overflow may occur in the giffix utility included in giflib-5.1.1 when processing records of the […]

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