Common Problems

Alpine Linux 3.19 — openrc — vulnerability — patch and remediation guide — diagnosis and fix on Alpine Linux 3.19

Alpine Linux 3.19 — openrc — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Alpine Linux 3.19 / fixed in 0.44.6-r1 📖 ~4 min read  •  Source: Alpine secdb entry — openrc 0.44.6-r1 Related CVEs: CVE-2021-42341 Upstream summary: Alpine main repository for vv3.19 ships openrc 0.44.6-r1 which addresses CVE-2021-42341. Table of contents Symptom & Impact Environment […]

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Debian 12 — libjdom2-java — vulnerability — patch and remediation guide — diagnosis and fix on Debian 12

Debian 12 — libjdom2-java — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 11 January 2024 Affected versions: Debian 12 (bookworm) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2021-33813 Upstream summary: An XXE issue in SAXBuilder in JDOM through 2.0.6 allows attackers to cause a denial of service via a crafted HTTP request. Table of contents […]

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Alpine Linux 3.19 — openfire — vulnerability — patch and remediation guide — diagnosis and fix on Alpine Linux 3.19

Alpine Linux 3.19 — openfire — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Alpine Linux 3.19 / fixed in 4.7.5-r0 📖 ~4 min read  •  Source: Alpine secdb entry — openfire 4.7.5-r0 Related CVEs: CVE-2023-32315 Upstream summary: Alpine community repository for vv3.19 ships openfire 4.7.5-r0 which addresses CVE-2023-32315. Table of contents Symptom & Impact Environment […]

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Debian 12 — autofs — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on Debian 12

Debian 12 — autofs — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 11 January 2024 Affected versions: Debian 12 (bookworm) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2007-5964 CVE-2012-2697 CVE-2014-8169 Upstream summary: The default configuration of autofs 5 in some Linux distributions, such as Red Hat Enterprise Linux (RHEL) 5, omits the nosuid option for […]

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

Oracle Linux 8 — glibc — vulnerability — patch and remediation guide (ELSA-2023-5455)

🟠 High   ⏱ 15–60 min  Last verified: 11 January 2024 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2023-5455 Related CVEs: CVE-2023-4527 CVE-2023-4806 CVE-2023-4911 CVE-2023-4813 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches […]

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openSUSE Leap 15.5 — libX11 — multiple vulnerabilities (4 CVEs) — patch and remediation guide — diagnosis and fix on openSUSE Leap 15.5

openSUSE Leap 15.5 — libX11 — multiple vulnerabilities (4 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: openSUSE Leap 15.5 📖 ~4 min read  •  Source: SUSE advisory SUSE-CU-2023:2092-1 (see also SUSE bugzilla) Related CVEs: CVE-2023-3138 CVE-2023-43785 CVE-2023-43786 CVE-2023-43787 Upstream summary: A vulnerability was found in libX11. The security flaw occurs because the functions in src/InitExt.c in libX11 do […]

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Oracle Linux 9 — squid — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 9

Oracle Linux 9 — squid — vulnerability — patch and remediation guide (ELSA-2023-6266)

🔴 Critical   ⏱ 15–90 min  Last verified: 11 January 2024 Affected versions: Oracle Linux 9 📖 ~4 min read  •  Source: ELSA advisory ELSA-2023-6266 Related CVEs: CVE-2023-46847 CVE-2023-46848 CVE-2023-46846 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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NetBSD 9.4 — dovecot — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on NetBSD 9.4

NetBSD 9.4 — dovecot — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: NetBSD 9.4 📖 ~4 min read  •  Source: pkgsrc audit-packages entry Related CVEs: CVE-2006-2414 CVE-2019-11500 CVE-2020-10957 CVE-2020-10958 CVE-2020-10967 CVE-2020-12100 CVE-2020-12673 CVE-2020-12674  +12 more Upstream summary: pkgsrc audit-packages flagged dovecot>0.99.99<1.0beta8 for vulnerability class 'remote-file-listing'. Reference: https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2006-2414 Table of contents Symptom & Impact Environment […]

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Amazon Linux 2023 — libqb — vulnerability — patch and remediation guide — diagnosis and fix on Amazon Linux 2023

Amazon Linux 2023 — libqb — vulnerability — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Amazon Linux 2023 📖 ~4 min read  •  Source: Amazon Linux advisory ALAS2023-2023-294 Related CVEs: CVE-2023-39976 Upstream summary: log_blackbox.c in libqb before 2.0.8 allows a buffer overflow via long log messages because the header size is not considered. (CVE-2023-39976) Table of contents […]

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