Common Problems

Arch Linux — libpano13 — vulnerability — patch and remediation guide — diagnosis and fix on Arch Linux

Arch Linux — libpano13 — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Arch Linux (rolling release) 📖 ~4 min read  •  Source: Arch ASA ASA-202107-55 Related CVEs: CVE-2021-20307 Upstream summary: Type: arbitrary code execution. Status: Fixed. Affected: 2.9.19-5. Fixed in: 2.9.20-1. Group: AVG-1774. Table of contents Symptom & Impact Environment & Reproduction Root Cause […]

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Ubuntu 18.04 — libxml-security-java — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 18.04

Ubuntu 18.04 — libxml-security-java — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 8 May 2021 Affected versions: Ubuntu 18.04 (bionic) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-5525-1 Related CVEs: CVE-2021-40690 Upstream summary: It was discovered that Apache XML Security for Java incorrectly passed a configuration property when creating specific key elements. This allows an attacker to […]

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Ubuntu 16.04 — speex — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 16.04

Ubuntu 16.04 — speex — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 8 May 2021 Affected versions: Ubuntu 16.04 (xenial) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-5280-1 Related CVEs: CVE-2020-23903 Upstream summary: It was discovered that Speex incorrectly handled certain WAV files. An attacker could possibly use this issue to cause a denial of service. Table […]

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Ubuntu 18.04 — node-thenify — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 18.04

Ubuntu 18.04 — node-thenify — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 8 May 2021 Affected versions: Ubuntu 18.04 (bionic) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-6016-1 Related CVEs: CVE-2020-7677 Upstream summary: It was discovered that thenify incorrectly handled certain inputs. If a user or an automated system were tricked into opening a specially crafted input […]

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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

🟠 High   ⏱ 15–60 min  Last verified: 7 May 2021 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2023-4645 Related CVEs: CVE-2023-35390 CVE-2023-38180 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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Common Problems 115030

Sudo automation fails with TTY requirement

🟡 Medium   ⏱ 5–30 min  Last verified: 7 May 2021 📖 ~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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Alpine Linux edge — py3-saml2 — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Alpine Linux edge

Alpine Linux edge — py3-saml2 — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Alpine Linux edge / fixed in 6.5.0-r0 📖 ~4 min read  •  Source: Alpine secdb entry — py3-saml2 6.5.0-r0 Related CVEs: CVE-2021-21238 CVE-2021-21239 Upstream summary: Alpine community repository for vedge ships py3-saml2 6.5.0-r0 which addresses CVE-2021-21238. Table of contents Symptom & Impact […]

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FreeBSD 13 — memcached — multiple vulnerabilities (4 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — memcached — multiple vulnerabilities (4 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 7 May 2021 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: memcached — multiple vulnerabilities Related CVEs: CVE-2009-1255 CVE-2016-8704 CVE-2016-8705 CVE-2016-8706 Upstream summary: Cisco Talos reports: Multiple integer overflow vulnerabilities exist within Memcached that could be exploited to achieve remote code […]

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FreeBSD 13 — isakmpd — multiple vulnerabilities (5 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — isakmpd — multiple vulnerabilities (5 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 7 May 2021 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: isakmpd payload handling denial-of-service vulnerabilities Related CVEs: CVE-2004-0218 CVE-2004-0219 CVE-2004-0220 CVE-2004-0221 CVE-2004-0222 Upstream summary: Numerous errors in isakmpd's input packet validation lead to denial-of-service vulnerabilities. From the Rapid7 advisory: The […]

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