chris

Ubuntu 18.04 — stunnel4 — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 18.04

Ubuntu 18.04 — stunnel4 — 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-6901-1 Related CVEs: CVE-2021-20230 Upstream summary: It was discovered that stunnel did not properly validate client certificates when configured to use both the redirect and verifyChain options. A remote attacker […]

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Ubuntu 14.04 — ppp — multiple vulnerabilities (5 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 14.04

Ubuntu 14.04 — ppp — multiple vulnerabilities (5 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-4451-2 Related CVEs: CVE-2020-15704 CVE-2020-8597 CVE-2018-11574 CVE-2015-3310 CVE-2014-3158 Upstream summary: USN-4451-1 fixed a vulnerability in ppp. This update provides the corresponding update for Ubuntu 12.04 ESM and Ubuntu 14.04 ESM. […]

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Ubuntu 20.04 — libgsf — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 20.04

Ubuntu 20.04 — libgsf — multiple vulnerabilities (2 CVEs) — 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-7062-1 Related CVEs: CVE-2024-36474 CVE-2024-42415 Upstream summary: It was discovered that libgsf incorrectly handled certain Compound Document Binary files. If a user or automated system were tricked into opening a […]

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Ubuntu 24.04 — pam-pkcs11 — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 24.04

Ubuntu 24.04 — pam-pkcs11 — 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-7363-1 Related CVEs: CVE-2025-24032 CVE-2025-24531 Upstream summary: Marcus Rückert and Matthias Gerstner discovered that PAM-PKCS#11 did not properly handle certain return codes when authentication was not possible. An attacker could […]

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Ubuntu 20.04 — nfs-utils — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 20.04

Ubuntu 20.04 — nfs-utils — 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-4400-1 Related CVEs: CVE-2019-3689 Upstream summary: It was discovered that the nfs-utils package set incorrect permissions on the /var/lib/nfs directory. An attacker could possibly use this issue to escalate privileges. […]

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

Ubuntu 18.04 — xmltooling — 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-3921-1 Related CVEs: CVE-2019-9628 Upstream summary: It was discovered that XMLTooling incorrectly handled certain XML files with invalid data. An attacker could use this issue to cause XMLTooling to crash, […]

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Ubuntu 22.04 — twitter-bootstrap4 — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 22.04

Ubuntu 22.04 — twitter-bootstrap4 — multiple vulnerabilities (3 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-7556-1 Related CVEs: CVE-2024-6484 CVE-2024-6531 CVE-2024-6485 Upstream summary: It was discovered that Bootstrap did not correctly sanitize certain input in the carousel component. An attacker could possibly use this issue […]

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Ubuntu 18.04 — composer — multiple vulnerabilities (6 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 18.04

Ubuntu 18.04 — composer — multiple vulnerabilities (6 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-7603-1 Related CVEs: CVE-2024-35241 CVE-2024-35242 CVE-2024-24821 CVE-2023-43655 CVE-2022-24828 CVE-2021-29472 Upstream summary: Thomas Chauchefoin discovered that Composer did not correctly handle certain arguments. An attacker could possibly use this issue to […]

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

Ubuntu 14.04 — python-keystoneclient — 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-2705-1 Related CVEs: CVE-2014-7144 CVE-2015-1852 Upstream summary: Qin Zhao discovered Keystone disabled certification verification when the "insecure" option is set in a paste configuration (paste.ini) file regardless of the value, […]

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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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