Ubuntu 18.04

pr cp 117903 r2

Ubuntu 18.04 LTS stuck in emergency mode after filesystem errors

🟡 Medium   ⏱ 5–30 min  Last verified: 19 May 2026 📖 ~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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pr cp 117890 r2

Ubuntu 18.04 LTS apt update fails with NO_PUBKEY errors

🟡 Medium   ⏱ 5–30 min  Last verified: 19 May 2026 📖 ~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 18.04 — slurm-llnl — multiple vulnerabilities (10 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 18.04

Ubuntu 18.04 — slurm-llnl — multiple vulnerabilities (10 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Ubuntu 18.04 (bionic) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-8197-1 Related CVEs: CVE-2022-29501 CVE-2016-10030 CVE-2017-15566 CVE-2018-7033 CVE-2018-10995 CVE-2019-6438 CVE-2020-12693 CVE-2020-27745  +2 more Upstream summary: It was discovered that Slurm did not properly handle access control when dealing with RPC […]

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Ubuntu 18.04 — vim — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 18.04

Ubuntu 18.04 — vim — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Ubuntu 18.04 (bionic) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-8213-1 Related CVEs: CVE-2026-39881 CVE-2026-35177 CVE-2026-33412 CVE-2026-34982 CVE-2026-32249 CVE-2026-26269 CVE-2026-28419 CVE-2026-28418  +12 more Upstream summary: Michał Majchrowicz discovered that Vim's zip plugin could overwrite arbitrary files. An attacker could possibly […]

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Ubuntu 18.04 — roundcube — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 18.04

Ubuntu 18.04 — roundcube — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Ubuntu 18.04 (bionic) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-8223-1 Related CVEs: CVE-2024-38357 CVE-2024-38356 CVE-2024-42008 CVE-2024-42010 CVE-2026-26079 CVE-2026-25916 CVE-2019-15237 CVE-2017-8114  +12 more Upstream summary: It was discovered that Roundcube Webmail mishandled Punycode xn-- domain names. An attacker could possibly […]

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Ubuntu 18.04 — openexr — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 18.04

Ubuntu 18.04 — openexr — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Ubuntu 18.04 (bionic) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-8259-1 Related CVEs: CVE-2026-27622 CVE-2026-34380 CVE-2026-34588 CVE-2021-3941 CVE-2021-3933 CVE-2021-20296 CVE-2021-23215 CVE-2021-26260  +12 more Upstream summary: Quang Luong discovered that OpenEXR incorrectly handled sample count accumulation when processing deep scan line […]

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Ubuntu 18.04 — linux-raspi-5.4 — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 18.04

Ubuntu 18.04 — linux-raspi-5.4 — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Ubuntu 18.04 (bionic) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-8200-3 Related CVEs: CVE-2022-49046 CVE-2024-46816 CVE-2025-37849 CVE-2026-23060 CVE-2026-23074 CVE-2021-47599 CVE-2022-48875 CVE-2022-49072  +12 more Upstream summary: Several security issues were discovered in the Linux kernel. An attacker could possibly use these […]

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Ubuntu 18.04 — imagemagick — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 18.04

Ubuntu 18.04 — imagemagick — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Ubuntu 18.04 (bionic) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-8263-1 Related CVEs: CVE-2026-25796 CVE-2026-25797 CVE-2026-24484 CVE-2026-25637 CVE-2026-25576 CVE-2026-25798 CVE-2026-24481 CVE-2026-25898  +12 more Upstream summary: It was discovered that ImageMagick incorrectly handled certain malformed image files in certain instances. If […]

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Ubuntu 18.04 — dnsmasq — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 18.04

Ubuntu 18.04 — dnsmasq — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Ubuntu 18.04 (bionic) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-8268-1 Related CVEs: CVE-2026-4890 CVE-2026-4891 CVE-2026-2291 CVE-2026-4892 CVE-2026-5172 CVE-2026-4893 CVE-2023-28450 CVE-2023-50387  +12 more Upstream summary: Andrew S. Fasano, Royce M, and Hugo Martinez Ray discovered that Dnsmasq did not allocate […]

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Ubuntu 18.04 — avahi — multiple vulnerabilities (15 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 18.04

Ubuntu 18.04 — avahi — multiple vulnerabilities (15 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Ubuntu 18.04 (bionic) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-8269-1 Related CVEs: CVE-2026-24401 CVE-2026-34933 CVE-2025-68276 CVE-2025-68468 CVE-2025-68471 CVE-2023-38469 CVE-2023-38470 CVE-2023-38471  +7 more Upstream summary: It is discovered that Avahi incorrectly handled crafted input. A remote attacker could possibly use […]

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