ubuntu

Ubuntu 20.04 — openssl-ibmca — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 20.04

Ubuntu 20.04 — openssl-ibmca — 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-6046-1 Related CVEs: https://launchpad.net/bugs/2015454 Upstream summary: It was discovered that OpenSSL-ibmca incorrectly handled certain RSA decryption. An attacker could possibly use this issue to expose sensitive information. Table of contents […]

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Ubuntu 20.04 — cacti — multiple vulnerabilities (15 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 20.04

Ubuntu 20.04 — cacti — multiple vulnerabilities (15 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Ubuntu 20.04 (focal) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-7226-1 Related CVEs: CVE-2022-46169 CVE-2024-25641 CVE-2024-29894 CVE-2024-31443 CVE-2024-31444 CVE-2024-31445 CVE-2024-31458 CVE-2024-31459  +7 more Upstream summary: It was discovered that Cacti did not properly sanitize the 'poller_id' parameter in the "remote_agent.php" […]

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Ubuntu 20.04 — bluez — multiple vulnerabilities (13 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 20.04

Ubuntu 20.04 — bluez — multiple vulnerabilities (13 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Ubuntu 20.04 (focal) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-7222-1 Related CVEs: CVE-2023-50229 CVE-2023-50230 CVE-2022-3563 CVE-2023-27349 CVE-2023-45866 https://launchpad.net/bugs/1977968 CVE-2022-0204 CVE-2021-3658  +5 more Upstream summary: Lucas Leong discovered that BlueZ incorrectly handled the Phone Book Access profile. If a user […]

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Ubuntu 18.04 — gpac — multiple vulnerabilities (11 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 18.04

Ubuntu 18.04 — gpac — multiple vulnerabilities (11 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-7320-1 Related CVEs: CVE-2023-5520 CVE-2024-0321 CVE-2024-0322 CVE-2018-1000100 CVE-2018-13005 CVE-2018-13006 CVE-2018-20760 CVE-2018-20761  +3 more Upstream summary: It was discovered that the GPAC MP4Box utility incorrectly handled certain AC3 files, which could […]

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

Ubuntu 18.04 — libinput — 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-5382-1 Related CVEs: CVE-2022-1215 Upstream summary: Albin Eldstål-Ahrens and Lukas Lamster discovered libinput did not properly handle input devices with specially crafted names. A local attacker with physical access could […]

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Ubuntu 14.04 — tmux — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 14.04

Ubuntu 14.04 — tmux — vulnerability — 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-5843-1 Related CVEs: CVE-2022-47016 Upstream summary: It was discovered that tmux incorrectly handled certain inputs. An attacker could possibly use this issue to cause a denial of service. Table of […]

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Ubuntu 18.04 — xz-utils — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 18.04

Ubuntu 18.04 — xz-utils — 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-5378-2 Related CVEs: CVE-2022-1271 Upstream summary: Cleemy Desu Wayo discovered that XZ Utils incorrectly handled certain filenames. If a user or automated system were tricked into performing xzgrep operations with […]

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

Ubuntu 18.04 — cflow — 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-5375-1 Related CVEs: CVE-2019-16165 Upstream summary: It was discovered that GNU cflow was incorrectly handling memory cleanup operations at the end of a compilation module. An attacker could possibly use […]

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Ubuntu 16.04 — libgd2 — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 16.04

Ubuntu 16.04 — libgd2 — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Ubuntu 16.04 (xenial) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-7112-1 Related CVEs: CVE-2021-40812 CVE-2017-6363 CVE-2021-38115 CVE-2021-40145 CVE-2018-14553 CVE-2019-11038 CVE-2019-6977 CVE-2019-6978  +12 more Upstream summary: It was discovered that the GD Graphics Library did not perform proper bounds checking while […]

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Ubuntu 22.04 — mako — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 22.04

Ubuntu 22.04 — mako — multiple vulnerabilities (2 CVEs) — 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-8234-1 Related CVEs: CVE-2026-41205 CVE-2022-40023 Upstream summary: It was discovered that Mako incorrectly handled URIs with double-slash prefixes in TemplateLookup. A remote attacker could possibly use this issue to obtain […]

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