ubuntu

Ubuntu 24.04 — opensaml — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 24.04

Ubuntu 24.04 — opensaml — 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-7364-1 Related CVEs: https://launchpad.net/bugs/2103420 Upstream summary: Alexander Tan discovered that the OpenSAML C++ library was susceptible to forging of signed SAML messages. An attacker could possibly use this issue to […]

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Ubuntu 22.04 — ruby-devise-two-factor — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 22.04

Ubuntu 22.04 — ruby-devise-two-factor — 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-7050-1 Related CVEs: CVE-2021-43177 CVE-2024-8796 Upstream summary: Benoit Côté-Jodoin and Michael Nipper discovered that Devise-Two-Factor incorrectly handled one-time password validation. An attacker could possibly use this issue to intercept and […]

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Ubuntu 18.04 — sudo — multiple vulnerabilities (9 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 18.04

Ubuntu 18.04 — sudo — multiple vulnerabilities (9 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-7604-2 Related CVEs: CVE-2025-32462 CVE-2023-28486 CVE-2023-28487 CVE-2022-33070 CVE-2023-22809 CVE-2021-23239 CVE-2021-3156 CVE-2019-18634  +1 more Upstream summary: USN-7604-1 fixed CVE-2025-32462 in sudo. This update provides the corresponding fixes for Ubuntu 20.04 LTS, […]

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

Ubuntu 14.04 — tidy — 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-2695-1 Related CVEs: CVE-2015-5522 CVE-2015-5523 Upstream summary: Fernando Muñoz discovered that HTML Tidy incorrectly handled memory. If a user or automated system were tricked into processing specially crafted data, applications […]

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Ubuntu 20.04 — re2c — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 20.04

Ubuntu 20.04 — re2c — 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-4338-2 Related CVEs: CVE-2020-11958 Upstream summary: USN-4338-1 fixed vulnerabilities in re2c. This update provides the corresponding update for Ubuntu 20.04 LTS. Original advisory details: Agostino Sarubbo discovered that re2c incorrectly […]

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

Ubuntu 18.04 — gettext — 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-3815-1 Related CVEs: CVE-2018-18751 Upstream summary: It was discovered that gettext incorrectly handled certain messages. An attacker could possibly use this issue to execute arbitrary code. Table of contents Symptom […]

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

Ubuntu 22.04 — python-scrapy — 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-7476-1 Related CVEs: CVE-2021-41125 CVE-2022-0577 CVE-2024-1892 CVE-2024-1968 CVE-2024-3572 CVE-2024-3574 Upstream summary: It was discovered that Scrapy improperly exposed HTTP authentication credentials to request targets, including during redirects. An attacker could […]

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Ubuntu 20.04 — setuptools — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 20.04

Ubuntu 20.04 — setuptools — multiple vulnerabilities (3 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-7544-1 Related CVEs: CVE-2025-47273 CVE-2024-6345 CVE-2022-40897 Upstream summary: It was discovered that setuptools did not properly sanitize paths. An attacker could possibly use this issue to write files to arbitrary […]

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Ubuntu 14.04 — wget — multiple vulnerabilities (9 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 14.04

Ubuntu 14.04 — wget — multiple vulnerabilities (9 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Ubuntu 14.04 (trusty) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-3943-1 Related CVEs: CVE-2018-20483 CVE-2019-5953 CVE-2018-0494 CVE-2016-7098 CVE-2017-13089 CVE-2017-13090 CVE-2017-6508 CVE-2016-4971  +1 more Upstream summary: It was discovered that Wget incorrectly handled certain inputs. An attacker could possibly use this […]

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Ubuntu 14.04 — usb-creator — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 14.04

Ubuntu 14.04 — usb-creator — 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-2576-1 Related CVEs: https://launchpad.net/bugs/1447396 Upstream summary: Tavis Ormandy discovered that usb-creator was missing an authentication check. A local attacker could use this issue to gain elevated privileges. Table of contents […]

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