IT, Cloud & DevOps Blog

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

Ubuntu 18.04 — lasso — 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-4974-1 Related CVEs: CVE-2021-28091 Upstream summary: It was discovered that Lasso did not properly verify that all assertions in a SAML response were properly signed. An attacker could possibly use […]

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Ubuntu 16.04 — libwebp — multiple vulnerabilities (11 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 16.04

Ubuntu 16.04 — libwebp — multiple vulnerabilities (11 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-6078-2 Related CVEs: CVE-2023-1999 CVE-2018-25009 CVE-2018-25010 CVE-2018-25011 CVE-2018-25012 CVE-2018-25013 CVE-2018-25014 CVE-2020-36328  +3 more Upstream summary: USN-6078-1 fixed a vulnerability in libwebp. This update provides the corresponding update for Ubuntu 16.04 […]

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Ubuntu 18.04 — libwebp — multiple vulnerabilities (13 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 18.04

Ubuntu 18.04 — libwebp — multiple vulnerabilities (13 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-6369-2 Related CVEs: CVE-2023-4863 CVE-2023-1999 CVE-2018-25009 CVE-2018-25010 CVE-2018-25011 CVE-2018-25012 CVE-2018-25013 CVE-2018-25014  +5 more Upstream summary: USN-6369-1 fixed a vulnerability in libwebp. This update provides the corresponding update for Ubuntu 18.04 […]

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Ubuntu 22.04 — linux-azure-5.19 — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 22.04

Ubuntu 22.04 — linux-azure-5.19 — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Ubuntu 22.04 (jammy) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-6079-1 Related CVEs: CVE-2022-27672 CVE-2022-36280 CVE-2022-3707 CVE-2022-4129 CVE-2022-4842 CVE-2022-48423 CVE-2022-48424 CVE-2023-0210  +12 more Upstream summary: It was discovered that some AMD x86-64 processors with SMT enabled could speculatively execute instructions […]

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Ubuntu 18.04 — sympa — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 18.04

Ubuntu 18.04 — sympa — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Ubuntu 18.04 (bionic) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-4442-2 Related CVEs: CVE-2018-1000550 CVE-2018-1000671 CVE-2020-10936 Upstream summary: USN-4442-1 fixed vulnerabilities in Sympa. This update provides the corresponding updates for Ubuntu 16.04 ESM, Ubuntu 18.04 ESM and Ubuntu 20.04 ESM. […]

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Ubuntu 20.04 — jhead — multiple vulnerabilities (14 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 20.04

Ubuntu 20.04 — jhead — multiple vulnerabilities (14 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-6110-1 Related CVEs: CVE-2021-28275 CVE-2021-28277 CVE-2021-3496 https://launchpad.net/bugs/2020068 CVE-2021-34055 CVE-2022-41751 CVE-2019-1010301 CVE-2019-1010302  +6 more Upstream summary: It was discovered that Jhead did not properly handle certain crafted Canon images when processing […]

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Ubuntu 24.04 — rustc-1.78 — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 24.04

Ubuntu 24.04 — rustc-1.78 — vulnerability — 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-8168-1 Related CVEs: CVE-2026-33056 Upstream summary: It was discovered that tar-rs embedded in rustc incorrectly handled symlinks when unpacking a tar archive. If a user or automated system were tricked […]

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Ubuntu 14.04 — zsh — multiple vulnerabilities (13 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 14.04

Ubuntu 14.04 — zsh — multiple vulnerabilities (13 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Ubuntu 14.04 (trusty) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-3764-1 Related CVEs: CVE-2018-0502 CVE-2018-1100 CVE-2018-13259 CVE-2018-1071 CVE-2018-1083 CVE-2014-10070 CVE-2014-10071 CVE-2014-10072  +5 more Upstream summary: It was discovered that Zsh incorrectly handled certain scripts. An attacker could possibly use this […]

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

Ubuntu 20.04 — booth — 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-5556-1 Related CVEs: CVE-2022-2553 Upstream summary: It was discovered that Booth incorrectly handled user authentication. An attacker could use this vulnerability to cause a denial of service. Table of contents […]

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