Package Management

Amazon Linux 2 — jtidy — vulnerability — patch and remediation guide — diagnosis and fix on Amazon Linux 2

Amazon Linux 2 — jtidy — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Amazon Linux 2 📖 ~4 min read  •  Source: Amazon Linux advisory ALAS2-2024-2461 Related CVEs: CVE-2023-34623 Upstream summary: An issue was discovered jtidy thru r938 allows attackers to cause a denial of service or other unspecified impacts via crafted object that uses […]

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Ubuntu 22.04 — openstack-trove — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 22.04

Ubuntu 22.04 — openstack-trove — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 15 January 2023 Affected versions: Ubuntu 22.04 (jammy) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-6245-1 Related CVEs: https://launchpad.net/bugs/2028680 Upstream summary: Adam Bell discovered that Trove incorrectly handled arguments to the backup command. A remote attacker could possibly use this issue to execute arbitrary code. […]

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CentOS Stream 9 — harfbuzz — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on CentOS Stream 9

CentOS Stream 9 — harfbuzz — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 15 January 2023 Affected versions: CentOS Stream 9 📖 ~4 min read  •  Source: AlmaLinux/RHEL advisory ALSA-2024:2410 Related CVEs: CVE-2023-25193 CVE-2022-33068 Upstream summary: HarfBuzz is an implementation of the OpenType Layout engine. Security Fix(es): * harfbuzz: allows attackers to trigger O(n^2) growth via consecutive marks (CVE-2023-25193) For […]

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

Oracle Linux 8 — zlib — vulnerability — patch and remediation guide (ELSA-2022-7106)

🟡 Medium   ⏱ 10–30 min  Last verified: 15 January 2023 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2022-7106 Related CVEs: CVE-2022-37434 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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openSUSE Tumbleweed — finch — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on openSUSE Tumbleweed

openSUSE Tumbleweed — finch — multiple vulnerabilities (20 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-2022:1664-1 (see also SUSE bugzilla) Related CVEs: CVE-2022-26491 CVE-2008-2927 CVE-2009-2694 CVE-2010-0013 CVE-2011-3594 CVE-2012-6152 CVE-2017-2640 CVE-2008-2955  +12 more Upstream summary: An issue was discovered in Pidgin before 2.14.9. A remote attacker who can […]

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Oracle Linux 9 — libtasn1 — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 9

Oracle Linux 9 — libtasn1 — vulnerability — patch and remediation guide (ELSA-2023-0343)

🟡 Medium   ⏱ 10–30 min  Last verified: 15 January 2023 Affected versions: Oracle Linux 9 📖 ~4 min read  •  Source: ELSA advisory ELSA-2023-0343 Related CVEs: CVE-2021-46848 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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Oracle Linux 8 — emacs — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — emacs — vulnerability — patch and remediation guide (ELSA-2023-7083)

🟡 Medium   ⏱ 10–30 min  Last verified: 15 January 2023 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2023-7083 Related CVEs: CVE-2022-48339 CVE-2022-48337 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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Red Hat Enterprise Linux 7 — perl — vulnerability — patch and remediation guide — diagnosis and fix on Red Hat Enterprise Linux 7

Red Hat Enterprise Linux 7 — perl — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Red Hat Enterprise Linux 7 📖 ~4 min read  •  Source: Red Hat advisory RHSA RHSA-2026:0079 Related CVEs: CVE-2023-31484 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative […]

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Common Problems 116889

Ubuntu 22.04 LTS – apt update fails because dpkg lock is held

🟠 High   ⏱ 5–30 min  Last verified: 14 January 2023 Affected versions: Ubuntu 22.04 LTS Ubuntu 22.04 Ubuntu 22.04.4 📖 ~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 […]

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FreeBSD 12 — py39-tensorflow — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — py39-tensorflow — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 14 January 2023 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: py-tensorflow — denial of service vulnerability Related CVEs: CVE-2022-35935 CVE-2022-35941 CVE-2022-35991 Upstream summary: Kang Hong Jin, Neophytos Christou, 刘力源 and Pattarakrit Rattankul report: Another instance of CVE-2022-35935, where `SobolSample` is […]

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CHAT