Package Management

Ubuntu 14.04 — evince — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 14.04

Ubuntu 14.04 — evince — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: Ubuntu 14.04 (trusty) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-3503-1 Related CVEs: CVE-2017-1000159 CVE-2017-1000083 Upstream summary: It was discovered that Evince incorrectly handled printing certain DVI files. If a user were tricked into opening and printing a specially-named DVI […]

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Ubuntu 20.04 — gpsd — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 20.04

Ubuntu 20.04 — gpsd — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: Ubuntu 20.04 (focal) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-5035-1 Related CVEs: https://launchpad.net/bugs/1938730 Upstream summary: It was discovered that GPSd incorrectly handled certain leap second events which would result in the time jumping back 1024 weeks on 2021-10-31. Table […]

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

Ubuntu 18.04 — node-form-data — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: Ubuntu 18.04 (bionic) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-7976-1 Related CVEs: CVE-2025-7783 Upstream summary: Ben Shonaldmann discovered that Form-data incorrectly generated boundary values for multipart form-encoded data, leading to predictable values. A remote attacker could possibly use this […]

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Ubuntu 18.04 — chrony — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 18.04

Ubuntu 18.04 — chrony — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: Ubuntu 18.04 (bionic) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-4475-1 Related CVEs: CVE-2020-14367 Upstream summary: It was discovered that Chrony incorrectly handled certain symbolic links. An attacker could possibly use this issue to cause a denial of service or […]

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Ubuntu 20.04 — util-linux — multiple vulnerabilities (4 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 20.04

Ubuntu 20.04 — util-linux — multiple vulnerabilities (4 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Ubuntu 20.04 (focal) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-8091-1 Related CVEs: https://launchpad.net/bugs/2143850 CVE-2024-28085 CVE-2021-3995 CVE-2021-3996 Upstream summary: It was discovered that the util-linux su utility did not drop capabilities when being used with the –pty option. While not […]

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Ubuntu 24.04 — python-eventlet — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 24.04

Ubuntu 24.04 — python-eventlet — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: Ubuntu 24.04 (noble) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-7772-1 Related CVEs: CVE-2025-58068 https://launchpad.net/bugs/2125423 Upstream summary: It was discovered that Eventlet incorrectly handled certain requests. An attacker could possibly use this issue to bypass front-end security controls, launch targeted […]

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Ubuntu 22.04 — libapache2-mod-auth-openidc — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 22.04

Ubuntu 22.04 — libapache2-mod-auth-openidc — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: Ubuntu 22.04 (jammy) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-7446-1 Related CVEs: CVE-2025-31492 Upstream summary: It was discovered that mod_auth_openidc incorrectly handled certain POST requests. An attacker could possibly use this issue to obtain sensitive information. Table of contents […]

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Ubuntu 18.04 — golang-go.crypto — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 18.04

Ubuntu 18.04 — golang-go.crypto — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: Ubuntu 18.04 (bionic) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-7839-1 Related CVEs: CVE-2024-45337 Upstream summary: Damien Tournoud, Patrick Dawkins, Vince Parker, and Jules Duvivier discovered that Go Cryptography incorrectly handled public keys during SSH operations. An attacker could possibly […]

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Ubuntu 22.04 — mupdf — multiple vulnerabilities (6 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 22.04

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

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Ubuntu 22.04 (jammy) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-7888-1 Related CVEs: CVE-2023-51106 CVE-2023-51103 CVE-2024-46657 CVE-2025-46206 CVE-2023-51104 CVE-2023-51105 Upstream summary: It was discovered that MuPDF could be made to divide by zero. An attacker could possibly use this issue […]

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