Linux

Common Problems 113983

RHEL 10 – SSH login slow because reverse DNS lookups time out – Fix & Prevention

🟡 Medium   ⏱ 5–30 min  Last verified: 10 July 2025 Affected versions: RHEL 10 📖 ~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 & […]

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Amazon Linux 2023 — 7zip — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Amazon Linux 2023

Amazon Linux 2023 — 7zip — multiple vulnerabilities (2 CVEs) — 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 ALAS2023-2025-1251 Related CVEs: CVE-2025-11001 CVE-2025-11002 Upstream summary: This vulnerability allows remote attackers to execute arbitrary code on affected installations of 7-Zip. Interaction with this product is required to exploit this […]

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AlmaLinux 8 — jtidy — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on AlmaLinux 8

AlmaLinux 8 — jtidy — multiple vulnerabilities (2 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-2025:9318 Related CVEs: CVE-2019-10086 CVE-2025-48734 Upstream summary: The javapackages-tools packages provide macros and scripts to support Java packaging. Security Fix(es): * apache-commons-beanutils: does not suppresses the class property in PropertyUtilsBean by default […]

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AlmaLinux 8 — slf4j — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on AlmaLinux 8

AlmaLinux 8 — slf4j — multiple vulnerabilities (20 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-2025:14126 Related CVEs: CVE-2025-52999 CVE-2019-10086 CVE-2025-48734 CVE-2022-29599 CVE-2019-12384 CVE-2018-11784 CVE-2018-8014 CVE-2018-8034  +12 more Upstream summary: The Public Key Infrastructure (PKI) Core contains fundamental packages required by AlmaLinux Certificate System. Security Fix(es): * […]

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Ubuntu 22.04 — libapache2-mod-auth-openidc — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 22.04

Ubuntu 22.04 — libapache2-mod-auth-openidc — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 10 July 2025 Affected versions: Ubuntu 22.04 (jammy) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-7446-1 Related CVEs: CVE-2025-31492 Upstream summary: It was discovered that mod_auth_openidc incorrectly handled certain POST requests. An attacker could possibly use this issue to obtain sensitive information. Table of contents […]

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Rocky Linux 8 — perl-bignum — vulnerability — patch and remediation guide — diagnosis and fix on Rocky Linux 8

Rocky Linux 8 — perl-bignum — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Rocky Linux 8 📖 ~4 min read  •  Source: Rocky Linux RXSA RLSA-2026:8096 Related CVEs: CVE-2025-40909 Upstream summary: Perl is a high-level programming language that is commonly used for system administration utilities and web programming. Security Fix(es): * perl: Perl threads have […]

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openSUSE Tumbleweed — libassimp5 — multiple vulnerabilities (18 CVEs) — patch and remediation guide — diagnosis and fix on openSUSE Tumbleweed

openSUSE Tumbleweed — libassimp5 — multiple vulnerabilities (18 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-2025:0113-1 (see also SUSE bugzilla) Related CVEs: CVE-2025-2592 CVE-2025-3015 CVE-2024-45679 CVE-2024-40724 CVE-2022-45748 CVE-2024-48426 CVE-2025-2152 CVE-2025-3159  +10 more Upstream summary: A vulnerability, which was classified as critical, has been found in Open Asset […]

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Ubuntu 18.04 — netatalk — multiple vulnerabilities (12 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 18.04

Ubuntu 18.04 — netatalk — multiple vulnerabilities (12 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 10 July 2025 Affected versions: Ubuntu 18.04 (bionic) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-7347-1 Related CVEs: CVE-2024-38439 CVE-2024-38440 CVE-2024-38441 CVE-2021-31439 CVE-2022-0194 CVE-2022-23121 CVE-2022-23122 CVE-2022-23123  +4 more Upstream summary: It was discovered that Netatalk did not properly manage memory under certain circumstances. A remote […]

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Alpine Linux 3.20 — djvulibre — multiple vulnerabilities (6 CVEs) — patch and remediation guide — diagnosis and fix on Alpine Linux 3.20

Alpine Linux 3.20 — djvulibre — multiple vulnerabilities (6 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Alpine Linux 3.20 / fixed in 3.5.28-r1 📖 ~4 min read  •  Source: Alpine secdb entry — djvulibre 3.5.28-r1 Related CVEs: CVE-2021-3500 CVE-2021-3630 CVE-2021-32490 CVE-2021-32491 CVE-2021-32492 CVE-2021-32493 Upstream summary: Alpine community repository for vv3.20 ships djvulibre 3.5.28-r1 which addresses CVE-2021-3500. Table of […]

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Ubuntu 22.04 — webkit2gtk — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 22.04

Ubuntu 22.04 — webkit2gtk — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 10 July 2025 Affected versions: Ubuntu 22.04 (jammy) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-7957-1 Related CVEs: CVE-2025-43531 CVE-2025-43529 CVE-2025-14174 CVE-2025-43501 CVE-2025-43535 CVE-2025-43536 CVE-2025-43541 CVE-2025-66287  +12 more Upstream summary: Several security issues were discovered in the WebKitGTK Web and JavaScript engines. If a user […]

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