Ubuntu 22.04

Ubuntu 22.04 — python-authlib — multiple vulnerabilities (5 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 22.04

Ubuntu 22.04 — python-authlib — multiple vulnerabilities (5 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 24 November 2025 Affected versions: Ubuntu 22.04 (jammy) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-8065-1 Related CVEs: CVE-2025-62706 CVE-2025-68158 CVE-2025-59420 CVE-2024-37568 CVE-2025-61920 Upstream summary: Millie Solem discovered that Authlib did not properly restrict algorithm selection during JWT verification, allowing HMAC verification with asymmetric public […]

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Ubuntu 22.04 — rubygems — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 22.04

Ubuntu 22.04 — rubygems — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 17 November 2025 Affected versions: Ubuntu 22.04 (jammy) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-7747-1 Related CVEs: CVE-2023-36617 CVE-2025-24294 CVE-2023-28755 Upstream summary: It was discovered that RubyGems incorrectly handled certain regular expressions. An attacker could possibly use this issue to cause RubyGems to consume […]

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Ubuntu 22.04 — node-sha.js — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 22.04

Ubuntu 22.04 — node-sha.js — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 16 November 2025 Affected versions: Ubuntu 22.04 (jammy) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-7778-1 Related CVEs: CVE-2025-9288 Upstream summary: Nikita Skovoroda discovered that sha.js did not properly handle certain inputs. An attacker could possibly use this issue to manipulate the internal state of […]

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Ubuntu 22.04 — simgear — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 22.04

Ubuntu 22.04 — simgear — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 16 November 2025 Affected versions: Ubuntu 22.04 (jammy) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-7965-1 Related CVEs: CVE-2025-0781 Upstream summary: It was discovered that SimGear could be made to bypass the sandboxing of Nasal scripts. An attacker could possibly use this issue to execute […]

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Ubuntu 22.04 — erlang — multiple vulnerabilities (10 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 22.04

Ubuntu 22.04 — erlang — multiple vulnerabilities (10 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 16 November 2025 Affected versions: Ubuntu 22.04 (jammy) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-7831-1 Related CVEs: CVE-2025-48041 CVE-2025-48038 CVE-2025-48040 CVE-2025-48039 CVE-2025-46712 CVE-2025-4748 CVE-2025-32433 CVE-2025-30211  +2 more Upstream summary: It was discovered that Erlang incorrectly handled resource allocation and consumption in the SFTP SSH […]

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Common Problems 116974

Ubuntu 22.04 LTS Swap Not Activating After Reboot

🟡 Medium   ⏱ 5–30 min  Last verified: 12 November 2025 📖 ~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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Ubuntu 22.04 — libsodium — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 22.04

Ubuntu 22.04 — libsodium — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 11 November 2025 Affected versions: Ubuntu 22.04 (jammy) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-7949-1 Related CVEs: CVE-2025-69277 Upstream summary: It was discovered that Sodium incorrectly handled the elliptic curve point validity check in certain atypical use cases. This could result in invalid points […]

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Ubuntu 22.04 — python-ldap — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 22.04

Ubuntu 22.04 — python-ldap — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 7 November 2025 Affected versions: Ubuntu 22.04 (jammy) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-7828-1 Related CVEs: CVE-2025-61912 CVE-2025-61911 CVE-2021-46823 Upstream summary: It was discovered that Python LDAP incorrectly handled special characters in the special character filtering function. A remote attacker could possibly use […]

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Common Problems 117043

Ubuntu 22.04 LTS – cloud-init reconfigures networking unexpectedly – Fix & Prevention

🟠 High   ⏱ 5–30 min  Last verified: 3 November 2025 Affected versions: Ubuntu 22.04 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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Ubuntu 22.04 — fig2dev — multiple vulnerabilities (6 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 22.04

Ubuntu 22.04 — fig2dev — multiple vulnerabilities (6 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 2 November 2025 Affected versions: Ubuntu 22.04 (jammy) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-7587-1 Related CVEs: CVE-2020-21680 CVE-2025-31162 CVE-2020-21682 CVE-2025-31163 CVE-2025-31164 CVE-2020-21683 Upstream summary: Suhwan Song discovered that Fig2dev did not correctly handle certain memory operations. If a user or automated system were […]

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