Common Problems

AlmaLinux 8 — scap-security-guide — vulnerability — patch and remediation guide — diagnosis and fix on AlmaLinux 8

AlmaLinux 8 — scap-security-guide — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: AlmaLinux 8 📖 ~4 min read  •  Source: AlmaLinux ALSA ALBA-2022:1900 Upstream summary: For detailed information on changes in this release, see the AlmaLinux Release Notes linked from the References section. Table of contents Symptom & Impact Environment & Reproduction Root Cause […]

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Debian 11 — php-horde-crypt — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — php-horde-crypt — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 29 January 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2017-7413 CVE-2017-7414 Upstream summary: In Horde_Crypt before 2.7.6, as used in Horde Groupware Webmail Edition through 5.2.17, OS Command Injection can occur if the attacker is an authenticated […]

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Debian 11 — memcached — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — memcached — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 29 January 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2009-1255 CVE-2009-1494 CVE-2009-2415 CVE-2010-1152 CVE-2011-4971 CVE-2013-0179 CVE-2013-7239 CVE-2013-7290  +12 more Upstream summary: The process_stat function in (1) Memcached before 1.2.8 and (2) MemcacheDB 1.2.0 discloses (a) the contents […]

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SLES 12 — dhcp — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on SLES 12

SLES 12 — dhcp — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 29 January 2022 Affected versions: SLES 12 📖 ~4 min read  •  Source: SUSE advisory SUSE-IU-2021:537-1 (see also SUSE bugzilla) Related CVEs: CVE-2021-25217 CVE-2018-5732 CVE-2019-6470 CVE-2022-2928 CVE-2022-2929 CVE-2009-1892 CVE-2010-2156 CVE-2010-3611  +12 more Upstream summary: In ISC DHCP 4.1-ESV-R1 -> 4.1-ESV-R16, ISC DHCP 4.4.0 -> 4.4.2 (Other branches […]

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

Oracle Linux 8 — Unbreakable Enterprise kernel — vulnerability — patch and remediation guide (ELSA-2023-12782)

🟠 High   ⏱ 15–60 min  Last verified: 29 January 2022 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2023-12782 Related CVEs: CVE-2022-40982 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & Acceptance […]

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FreeBSD 13 — rubygem-actionpack — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — rubygem-actionpack — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 29 January 2022 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: Rails — XSS vulnerabilities Related CVEs: CVE-2012-3424 CVE-2012-3463 CVE-2012-3464 CVE-2012-3465 CVE-2013-0155 CVE-2013-0156 CVE-2013-1854 CVE-2013-1856  +12 more Upstream summary: Ruby on Rails blog: This is an announcement to let you know […]

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Oracle Linux 8 — .NET 6.0 security, bug fix, and — enhancement update — new behaviour and fixes — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — .NET 6.0 security, bug fix, and — enhancement update — new behaviour and fixes (ELSA-2023-4059)

🟠 High   ⏱ 15–60 min  Last verified: 28 January 2022 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2023-4059 Related CVEs: CVE-2023-33170 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & Acceptance […]

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IBM AIX 7.1 — CVE-2021-38933 — vulnerability — patch and remediation guide — diagnosis and fix on IBM AIX 7.1

IBM AIX 7.1 — CVE-2021-38933 — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 15–45 min  Last verified: 28 January 2022 Affected versions: IBM AIX 7.1 📖 ~4 min read  •  Source: NVD CVE-2021-38933, IBM Support Bulletin CVE: CVE-2021-38933 NVD summary: IBM Sterling Connect:Direct for UNIX 1.5 uses weaker than expected cryptographic algorithms that could allow an attacker to decrypt highly sensitive information. IBM X-Force […]

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Common Problems 118620

Ubuntu 16.04 LTS – certificate verify failed due to outdated CA bundle – Fix & Prevention

🟠 High   ⏱ 5–30 min  Last verified: 28 January 2022 Affected versions: Ubuntu 16.04 LTS 📖 ~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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AlmaLinux 8 — sysfsutils — vulnerability — patch and remediation guide — diagnosis and fix on AlmaLinux 8

AlmaLinux 8 — sysfsutils — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: AlmaLinux 8 📖 ~4 min read  •  Source: AlmaLinux ALSA ALBA-2022:2099 Upstream summary: For detailed information on changes in this release, see the AlmaLinux Release Notes linked from the References section. Table of contents Symptom & Impact Environment & Reproduction Root Cause […]

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CHAT