Ubuntu 20.04

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: Ubuntu 20.04 (focal) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-5325-1 Related CVEs: CVE-2019-20044 CVE-2021-45444 Upstream summary: Sam Foxman discovered that Zsh incorrectly handled certain inputs. An attacker could possibly use this issue to regain dropped privileges. (CVE-2019-20044) It was […]

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Ubuntu 20.04 (focal) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-5016-1 Related CVEs: CVE-2021-23134 CVE-2021-32399 CVE-2021-33034 CVE-2021-33909 CVE-2021-3506 CVE-2020-24586 CVE-2020-24587 CVE-2020-24588  +12 more Upstream summary: It was discovered that the virtual file system implementation in the Linux kernel contained an […]

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: Ubuntu 20.04 (focal) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-8144-1 Related CVEs: CVE-2025-12543 Upstream summary: It was discovered that Undertow incorrectly validated the Host header in incoming HTTP requests. A remote attacker could possibly use this issue to gain […]

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Ubuntu 20.04 (focal) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-8217-1 Related CVEs: CVE-2022-0155 CVE-2022-0536 CVE-2023-26159 CVE-2024-28849 Upstream summary: It was discovered that follow-redirects did not properly protect sensitive user information during redirects. An attacker could possibly use this issue […]

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: Ubuntu 20.04 (focal) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-5110-1 Related CVEs: CVE-2020-22617 Upstream summary: It was discovered that Ardour incorrectly handled certain XML files. An attacker could possibly use this issue to cause a crash or execute arbitrary […]

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: Ubuntu 20.04 (focal) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-7892-1 Related CVEs: CVE-2023-44487 Upstream summary: It was discovered that H2O exhibited poor server resource management in its HTTP/2 protocol. An attacker could possibly use this issue to cause H2O […]

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Ubuntu 20.04 (focal) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-8119-2 Related CVEs: CVE-2026-29111 CVE-2025-4598 CVE-2022-3821 CVE-2022-4415 CVE-2022-45873 CVE-2021-3997 CVE-2020-13529 CVE-2021-33910 Upstream summary: USN-8119-1 fixed vulnerabilities in systemd. This update provides the corresponding updates for Ubuntu 14.04 LTS, Ubuntu 16.04 […]

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: Ubuntu 20.04 (focal) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-4962-1 Related CVEs: CVE-2021-20095 Upstream summary: It was discovered that Babel incorrectly handled certain inputs. An attacker could possibly use this issue to execute arbitrary code. Table of contents Symptom […]

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Ubuntu 20.04 (focal) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-7984-1 Related CVEs: CVE-2024-47516 CVE-2024-4982 CVE-2024-4981 CVE-2024-47515 Upstream summary: Thomas Chauchefoin discovered that Pagure incorrectly handled symbolic links in Git repositories. A remote attacker could possibly use this issue to […]

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: Ubuntu 20.04 (focal) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-7537-2 Related CVEs: https://launchpad.net/bugs/2111912 CVE-2025-46836 Upstream summary: USN-7537-1 fixed a vulnerability in net-tools that caused a regression. This update fixes the problem. Original advisory details: It was discovered that net-tools […]