Common Problems

Debian 12 — libapache2-mod-perl2 — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on Debian 12

Debian 12 — libapache2-mod-perl2 — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 14 August 2023 Affected versions: Debian 12 (bookworm) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2007-1349 CVE-2009-0796 CVE-2011-2767 Upstream summary: PerlRun.pm in Apache mod_perl before 1.30, and RegistryCooker.pm in mod_perl 2.x, does not properly escape PATH_INFO before use in a regular expression, which […]

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Amazon Linux 2 — kernel-livepatch-5.10.196-185.743 — vulnerability — patch and remediation guide — diagnosis and fix on Amazon Linux 2

Amazon Linux 2 — kernel-livepatch-5.10.196-185.743 — vulnerability — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Amazon Linux 2 📖 ~4 min read  •  Source: Amazon Linux advisory ALAS2LIVEPATCH-2023-156 Related CVEs: CVE-2023-5197 Upstream summary: A use-after-free vulnerability in the Linux kernel's netfilter: nf_tables component can be exploited to achieve local privilege escalation. Addition and removal of rules from […]

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openSUSE Tumbleweed — ruby3.1-rubygem-activerecord — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on openSUSE Tumbleweed

openSUSE Tumbleweed — ruby3.1-rubygem-activerecord — 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-2025:15112-1 (see also SUSE bugzilla) Related CVEs: CVE-2023-22794 CVE-2022-32224 CVE-2022-44566 Upstream summary: A vulnerability in ActiveRecord <6.0.6.1, v6.1.7.1 and v7.0.4.1 related to the sanitization of comments. If malicious user input is passed […]

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Debian 12 — libtasn1-6 — multiple vulnerabilities (13 CVEs) — patch and remediation guide — diagnosis and fix on Debian 12

Debian 12 — libtasn1-6 — multiple vulnerabilities (13 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 14 August 2023 Affected versions: Debian 12 (bookworm) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2014-3467 CVE-2014-3468 CVE-2014-3469 CVE-2015-2806 CVE-2015-3622 CVE-2016-4008 CVE-2017-10790 CVE-2017-6891  +5 more Upstream summary: Multiple unspecified vulnerabilities in the DER decoder in GNU Libtasn1 before 3.6, as used in GnuTLS, […]

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openSUSE Tumbleweed — ntpsec — multiple vulnerabilities (5 CVEs) — patch and remediation guide — diagnosis and fix on openSUSE Tumbleweed

openSUSE Tumbleweed — ntpsec — multiple vulnerabilities (5 CVEs) — 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-2023-4012 CVE-2021-22212 CVE-2019-6442 CVE-2019-6443 CVE-2019-6445 Upstream summary: ntpd will crash if the server is not NTS-enabled (no certificate) and it receives an NTS-enabled client request […]

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openSUSE Tumbleweed — liblouis20 — multiple vulnerabilities (14 CVEs) — patch and remediation guide — diagnosis and fix on openSUSE Tumbleweed

openSUSE Tumbleweed — liblouis20 — multiple vulnerabilities (14 CVEs) — 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-2023:1824-1 (see also SUSE bugzilla) Related CVEs: CVE-2023-26768 CVE-2023-26769 CVE-2023-26767 CVE-2022-26981 CVE-2022-31783 CVE-2017-13738 CVE-2017-13739 CVE-2017-13741  +6 more Upstream summary: Buffer Overflow vulnerability found in Liblouis v.3.24.0 allows a remote attacker to cause […]

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Debian 12 — flatpak — multiple vulnerabilities (15 CVEs) — patch and remediation guide — diagnosis and fix on Debian 12

Debian 12 — flatpak — multiple vulnerabilities (15 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 14 August 2023 Affected versions: Debian 12 (bookworm) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2017-9780 CVE-2018-6560 CVE-2019-10063 CVE-2019-8308 CVE-2021-21261 CVE-2021-21381 CVE-2021-41133 CVE-2021-43860  +7 more Upstream summary: In Flatpak before 0.8.7, a third-party app repository could include malicious apps that contain files with […]

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Ubuntu 22.04 — graphviz — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 22.04

Ubuntu 22.04 — graphviz — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 14 August 2023 Affected versions: Ubuntu 22.04 (jammy) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-6708-1 Related CVEs: CVE-2023-46045 Upstream summary: It was discovered that Graphviz incorrectly handled certain config6a files. An attacker could possibly use this issue to cause a denial of service. Table […]

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NetBSD 9.4 — ap-auth-mysql — vulnerability — patch and remediation guide — diagnosis and fix on NetBSD 9.4

NetBSD 9.4 — ap-auth-mysql — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: NetBSD 9.4 📖 ~4 min read  •  Source: pkgsrc audit-packages entry Related CVEs: CVE-2008-2384 Upstream summary: pkgsrc audit-packages flagged ap{,2,22}-auth-mysql>=4<4.3.9nb1 for vulnerability class 'sql-injection'. Reference: https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2008-2384 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis […]

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