Linux

Alpine Linux edge — pcre — multiple vulnerabilities (4 CVEs) — patch and remediation guide — diagnosis and fix on Alpine Linux edge

Alpine Linux edge — pcre — multiple vulnerabilities (4 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Alpine Linux edge / fixed in 8.44-r0 📖 ~4 min read  •  Source: Alpine secdb entry — pcre 8.44-r0 Related CVEs: CVE-2020-14155 CVE-2017-7186 CVE-2017-11164 CVE-2017-16231 Upstream summary: Alpine main repository for vedge ships pcre 8.44-r0 which addresses CVE-2020-14155. Table of contents Symptom […]

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Ubuntu 20.04 — ansible — multiple vulnerabilities (14 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 20.04

Ubuntu 20.04 — ansible — multiple vulnerabilities (14 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 5 May 2020 Affected versions: Ubuntu 20.04 (focal) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-7330-1 Related CVEs: CVE-2015-3908 CVE-2015-6240 CVE-2016-8614 CVE-2019-10206 CVE-2019-14846 CVE-2019-14904 CVE-2020-10729 CVE-2020-1739  +6 more Upstream summary: It was discovered that Ansible did not properly verify certain fields of X.509 certificates. An […]

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SLES 12 — libcroco — multiple vulnerabilities (5 CVEs) — patch and remediation guide — diagnosis and fix on SLES 12

SLES 12 — libcroco — multiple vulnerabilities (5 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 5 May 2020 Affected versions: SLES 12 📖 ~4 min read  •  Source: SUSE advisory SUSE-IU-2021:741-1 (see also SUSE bugzilla) Related CVEs: CVE-2020-12825 CVE-2017-7960 CVE-2017-7961 CVE-2017-8834 CVE-2017-8871 Upstream summary: libcroco through 0.6.13 has excessive recursion in cr_parser_parse_any_core in cr-parser.c, leading to stack consumption. Table of contents Symptom […]

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Alpine Linux edge — e2fsprogs — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Alpine Linux edge

Alpine Linux edge — e2fsprogs — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Alpine Linux edge / fixed in 1.45.5-r0 📖 ~4 min read  •  Source: Alpine secdb entry — e2fsprogs 1.45.5-r0 Related CVEs: CVE-2019-5188 CVE-2019-5094 Upstream summary: Alpine main repository for vedge ships e2fsprogs 1.45.5-r0 which addresses CVE-2019-5188. Table of contents Symptom & Impact […]

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Common Problems 121664

Debian 9 – Docker or containerd fails after cgroup v2 migration

🟠 High   ⏱ 5–30 min  Last verified: 4 May 2020 Affected versions: Debian 9 📖 ~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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Common Problems 118062

Ubuntu 18.04 LTS cron jobs stop running due to invalid environment

🟡 Medium   ⏱ 5–30 min  Last verified: 4 May 2020 📖 ~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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Gentoo Linux — net-dns/nsd — vulnerability — patch and remediation guide — diagnosis and fix on Gentoo Linux

Gentoo Linux — net-dns/nsd — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Gentoo Linux 📖 ~4 min read  •  Source: Gentoo GLSA GLSA-202101-38 Related CVEs: CVE-2020-28935 Upstream summary: A local vulnerability was discovered that would allow for a local symlink attack due to how NSD handles PID files. Table of contents Symptom & Impact […]

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