Linux

CentOS Stream 9 — jmc — vulnerability — patch and remediation guide — diagnosis and fix on CentOS Stream 9

CentOS Stream 9 — jmc — vulnerability — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 14 February 2025 Affected versions: CentOS Stream 9 📖 ~4 min read  •  Source: AlmaLinux/RHEL advisory ALSA-2026:0752 Related CVEs: CVE-2025-66566 Upstream summary: JDK Mission Control is a powerful profiler for HotSpot JVMs and has an advanced set of tools that enables efficient and detailed analysis of the […]

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Alpine Linux 3.20 — prosody — multiple vulnerabilities (7 CVEs) — patch and remediation guide — diagnosis and fix on Alpine Linux 3.20

Alpine Linux 3.20 — prosody — multiple vulnerabilities (7 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Alpine Linux 3.20 / fixed in 0.11.9-r0 📖 ~4 min read  •  Source: Alpine secdb entry — prosody 0.11.9-r0 Related CVEs: CVE-2021-32917 CVE-2021-32918 CVE-2021-32919 CVE-2021-32920 CVE-2021-32921 CVE-2022-0217 CVE-2021-37601 Upstream summary: Alpine community repository for vv3.20 ships prosody 0.11.9-r0 which addresses CVE-2021-32917. Table […]

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openSUSE Leap 15.6 — squid — multiple vulnerabilities (4 CVEs) — patch and remediation guide — diagnosis and fix on openSUSE Leap 15.6

openSUSE Leap 15.6 — squid — multiple vulnerabilities (4 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: openSUSE Leap 15.6 📖 ~4 min read  •  Source: SUSE advisory GHSA-c8cc-phh7-xmxr (see also SUSE bugzilla) Related CVEs: CVE-2025-62168 CVE-2025-59362 CVE-2024-37894 CVE-2024-33427 Upstream summary: Squid is a caching proxy for the Web. In Squid versions prior to 7.2, a failure to redact […]

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Common Problems 114595

RHEL 9: Postfix Mail Queue Stuck

🟡 Medium   ⏱ 5–30 min  Last verified: 13 February 2025 📖 ~1 min read Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & Acceptance Criteria Rollback Plan Prevention & Hardening Related Errors & Cross-Refs References & Further […]

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AlmaLinux 9 — unbound — multiple vulnerabilities (8 CVEs) — patch and remediation guide — diagnosis and fix on AlmaLinux 9

AlmaLinux 9 — unbound — multiple vulnerabilities (8 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: AlmaLinux 9 📖 ~4 min read  •  Source: AlmaLinux ALSA ALSA-2025:11849 Related CVEs: CVE-2025-5994 CVE-2024-1488 CVE-2023-50387 CVE-2023-50868 CVE-2024-8508 CVE-2022-3204 CVE-2022-30698 CVE-2022-30699 Upstream summary: The unbound packages provide a validating, recursive, and caching DNS or DNSSEC resolver. Security Fix(es): * unbound: Unbound Cache […]

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Alpine Linux edge — libuv — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Alpine Linux edge

Alpine Linux edge — libuv — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Alpine Linux edge / fixed in 1.48.0-r0 📖 ~4 min read  •  Source: Alpine secdb entry — libuv 1.48.0-r0 Related CVEs: CVE-2024-24806 CVE-2020-8252 Upstream summary: Alpine main repository for vedge ships libuv 1.48.0-r0 which addresses CVE-2024-24806. Table of contents Symptom & Impact […]

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AlmaLinux 8 — raptor2 — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on AlmaLinux 8

AlmaLinux 8 — raptor2 — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: AlmaLinux 8 📖 ~4 min read  •  Source: AlmaLinux ALSA ALSA-2025:0314 Related CVEs: CVE-2024-57823 CVE-2017-18926 CVE-2020-25713 Upstream summary: Raptor is the RDF Parser Toolkit for Redland that provides a set of standalone RDF parsers, generating triples from RDF/XML or N-Triples. Security Fix(es): […]

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Debian 12 — libtpms — multiple vulnerabilities (8 CVEs) — patch and remediation guide — diagnosis and fix on Debian 12

Debian 12 — libtpms — multiple vulnerabilities (8 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 13 February 2025 Affected versions: Debian 12 (bookworm) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2021-3446 CVE-2021-3505 CVE-2021-3569 CVE-2021-3623 CVE-2021-3746 CVE-2023-1017 CVE-2023-1018 CVE-2025-49133 Upstream summary: A flaw was found in libtpms in versions before 0.8.2. The commonly used integration of libtpms with OpenSSL […]

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

Debian 11 — ognl — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 13 February 2025 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2025-53192 Upstream summary: ** UNSUPPORTED WHEN ASSIGNED ** Improper Neutralization of Expression/Command Delimiters vulnerability in Apache Commons OGNL. This issue affects Apache Commons OGNL: all versions. When using […]

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openSUSE Tumbleweed — apache-commons-compress — multiple vulnerabilities (7 CVEs) — patch and remediation guide — diagnosis and fix on openSUSE Tumbleweed

openSUSE Tumbleweed — apache-commons-compress — multiple vulnerabilities (7 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-2024:0726-1 (see also SUSE bugzilla) Related CVEs: CVE-2024-25710 CVE-2024-26308 CVE-2019-12402 CVE-2021-35515 CVE-2021-35516 CVE-2021-35517 CVE-2021-36090 Upstream summary: Loop with Unreachable Exit Condition ('Infinite Loop') vulnerability in Apache Commons Compress.This issue affects Apache Commons […]

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