Package Management

Ubuntu 20.04 — vino — multiple vulnerabilities (8 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 20.04

Ubuntu 20.04 — vino — multiple vulnerabilities (8 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-4636-1 Related CVEs: CVE-2020-25708 CVE-2014-6053 CVE-2018-7225 CVE-2019-15681 CVE-2020-14397 CVE-2020-14402 CVE-2020-14403 CVE-2020-14404 Upstream summary: It was discovered that LibVNCServer incorrectly handled certain internals. An attacker could possibly use this issue to […]

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Ubuntu 18.04 — golang-github-docker-docker-credential-helpers — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 18.04

Ubuntu 18.04 — golang-github-docker-docker-credential-helpers — 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-4856-1 Related CVEs: CVE-2019-1020014 Upstream summary: Jasiel Spelman discovered that docker-credential-helpers has a double free. A local attacker could use this to cause a denial of service (crash) or possibly […]

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Ubuntu 20.04 — 389-ds-base — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 20.04

Ubuntu 20.04 — 389-ds-base — 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-5231-1 Related CVEs: CVE-2020-35518 CVE-2021-3514 Upstream summary: It was discovered that 389 Directory Server presented to users, during authentication, an error message which could be used to discover if a […]

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Ubuntu 20.04 — nvidia-graphics-drivers-450-server — multiple vulnerabilities (12 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 20.04

Ubuntu 20.04 — nvidia-graphics-drivers-450-server — multiple vulnerabilities (12 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-5547-1 Related CVEs: CVE-2022-31607 CVE-2022-31608 CVE-2022-31615 CVE-2022-21813 CVE-2022-21814 CVE-2021-1093 CVE-2021-1094 CVE-2021-1095  +4 more Upstream summary: Le Wu discovered that the NVIDIA graphics drivers did not properly perform input validation in […]

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

Ubuntu 22.04 — wlc — 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-7981-1 Related CVEs: CVE-2026-22251 CVE-2026-22250 Upstream summary: It was discovered that wlc did not correctly handle SSL verification. An attacker could possibly use this issue to access sensitive resources. (CVE-2026-22250) […]

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

Ubuntu 20.04 — dpkg — 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-5446-1 Related CVEs: CVE-2022-1664 Upstream summary: Max Justicz discovered that dpkg incorrectly handled unpacking certain source packages. If a user or an automated system were tricked into unpacking a specially […]

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

Ubuntu 24.04 — systemd — 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-8119-1 Related CVEs: CVE-2026-29111 CVE-2025-4598 Upstream summary: It was discovered that systemd incorrectly handled certain cgroup paths. A local attacker could possibly use this issue to cause systemd to crash, […]

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Ubuntu 14.04 — linux-lts-utopic — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 14.04

Ubuntu 14.04 — linux-lts-utopic — multiple vulnerabilities (20 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-3036-1 Related CVEs: CVE-2016-3070 CVE-2016-4482 CVE-2016-4565 CVE-2016-4569 CVE-2016-4578 CVE-2016-4580 CVE-2016-4913 CVE-2016-4997  +12 more Upstream summary: Jan Stancek discovered that the Linux kernel's memory manager did not properly handle moving pages […]

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Ubuntu 18.04 — mini-httpd — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 18.04

Ubuntu 18.04 — mini-httpd — 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-4848-1 Related CVEs: CVE-2018-18778 Upstream summary: It was discovered that ACME mini_httpd did not properly handle HTTP GET requests with empty headers. A remote attacker could use this vulnerability to […]

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

Ubuntu 18.04 — opensmtpd — 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-4294-1 Related CVEs: CVE-2020-8793 CVE-2020-8794 CVE-2020-7247 Upstream summary: It was discovered that OpenSMTPD mishandled certain input. A remote, unauthenticated attacker could use this vulnerability to execute arbitrary shell commands as […]

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