Common Problems

Ubuntu 14.04 — python-pip — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 14.04

Ubuntu 14.04 — python-pip — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 2 May 2022 Affected versions: Ubuntu 14.04 (trusty) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-5821-4 Related CVEs: https://launchpad.net/bugs/2009130 CVE-2022-40898 CVE-2021-3572 Upstream summary: USN-5821-3 fixed a vulnerability in pip. The update introduced a minor regression in Ubuntu 14.04 ESM, Ubuntu 16.04 ESM and Ubuntu 18.04 […]

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openSUSE Tumbleweed — perl-Net-CIDR — vulnerability — patch and remediation guide — diagnosis and fix on openSUSE Tumbleweed

openSUSE Tumbleweed — perl-Net-CIDR — vulnerability — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read  •  Source: SUSE security advisory (see also SUSE bugzilla) Related CVEs: CVE-2021-4456 Upstream summary: Net::CIDR versions before 0.24 for Perl mishandle leading zeros in IP CIDR addresses, which may have unspecified impact. The functions `addr2cidr` and […]

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Oracle Linux 8 — c-ares — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — c-ares — vulnerability — patch and remediation guide (ELSA-2022-2043)

🟡 Medium   ⏱ 10–30 min  Last verified: 2 May 2022 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2022-2043 Related CVEs: CVE-2021-3672 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 12 — redis-devel — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — redis-devel — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 2 May 2022 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: redis,valkey — Denial-of-service valnerability due to malformed ACL selectors Related CVEs: CVE-2013-7458 CVE-2015-4335 CVE-2021-21309 CVE-2021-29477 CVE-2021-29478 CVE-2021-32625 CVE-2021-32626 CVE-2021-32627  +12 more Upstream summary: Redis core team reports: An authenticated with […]

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FreeBSD 13 — pcsc-lite — vulnerability — patch and remediation guide

FreeBSD 13 — pcsc-lite — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: Use-After-Free Vulnerability in pcsc-lite Related CVEs: CVE-2016-10109 Upstream summary: Peter Wu on Openwall mailing-list reports: The issue allows a local attacker to cause a Denial of Service, but can potentially […]

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FreeBSD 12 — serviio — vulnerability — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — serviio — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 1 May 2022 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: serviio — affected by log4j vulnerability Related CVEs: CVE-2021-44228 Upstream summary: Serviio reports: Serviio is affectred by the log4j vulnerability. Table of contents Symptom & Impact Environment & Reproduction Root […]

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FreeBSD 13 — py310-httpx — vulnerability — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — py310-httpx — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 1 May 2022 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: py-httpx — input validation vulnerability Related CVEs: CVE-2021-41945 Upstream summary: lebr0nli reports: Encode OSS httpx <=1.0.0.beta0 is affected by improper input validation in `httpx.URL`, `httpx.Client` and some functions using `httpx.URL.copy_with`. […]

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