Ubuntu 16.04

🟠 High   ⏱ 15–60 min  Last verified: 8 March 2026 Affected versions: Ubuntu 16.04 (xenial) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-8292-1 Related CVEs: CVE-2026-4424 CVE-2026-4426 CVE-2026-5121 CVE-2019-19221 CVE-2025-25724 CVE-2025-5916 CVE-2025-5917 CVE-2026-4111  +12 more Upstream summary: It was discovered that libarchive incorrectly handled certain RAR archives. An attacker could possibly use […]

🟠 High   ⏱ 15–60 min  Last verified: 6 March 2026 Affected versions: Ubuntu 16.04 (xenial) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-8122-1 Related CVEs: CVE-2021-43302 CVE-2026-25994 CVE-2021-43300 CVE-2021-43301 CVE-2021-32686 CVE-2021-43299 CVE-2018-1000099 CVE-2021-37706  +6 more Upstream summary: Youngsung Kim discovered that PJSIP did not properly parse numeric header fields in SIP messages. […]

🟠 High   ⏱ 15–60 min  Last verified: 5 March 2026 Affected versions: Ubuntu 16.04 (xenial) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-8143-2 Related CVEs: CVE-2021-47142 CVE-2021-47145 CVE-2021-47254 CVE-2024-46777 CVE-2025-21735 CVE-2026-23060 CVE-2026-23074 CVE-2021-47599  +12 more Upstream summary: Several security issues were discovered in the Linux kernel. An attacker could possibly use these […]

🟠 High   ⏱ 15–60 min  Last verified: 5 March 2026 Affected versions: Ubuntu 16.04 (xenial) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-8266-1 Related CVEs: CVE-2024-27388 CVE-2024-46816 CVE-2024-49938 CVE-2024-50008 CVE-2024-50142 CVE-2026-23209 CVE-2026-23268 CVE-2026-23269  +12 more Upstream summary: Qualys discovered that several vulnerabilities existed in the AppArmor Linux kernel Security Module (LSM). An […]

🟠 High   ⏱ 15–60 min  Last verified: 4 March 2026 Affected versions: Ubuntu 16.04 (xenial) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-8266-1 Related CVEs: CVE-2024-27388 CVE-2024-46816 CVE-2024-49938 CVE-2024-50008 CVE-2024-50142 CVE-2026-23209 CVE-2026-23268 CVE-2026-23269  +12 more Upstream summary: Qualys discovered that several vulnerabilities existed in the AppArmor Linux kernel Security Module (LSM). An […]

🟡 Medium   ⏱ 10–30 min  Last verified: 23 February 2026 Affected versions: Ubuntu 16.04 (xenial) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-7409-1 Related CVEs: CVE-2025-25291 CVE-2025-25292 CVE-2025-25293 CVE-2016-5697 CVE-2017-11428 CVE-2024-45409 Upstream summary: It was discovered that ruby-saml did not correctly handle XML parsing. An attacker could possibly use this issue to […]

🟠 High   ⏱ 15–60 min  Last verified: 21 February 2026 Affected versions: Ubuntu 16.04 (xenial) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-8266-1 Related CVEs: CVE-2024-27388 CVE-2024-46816 CVE-2024-49938 CVE-2024-50008 CVE-2024-50142 CVE-2026-23209 CVE-2026-23268 CVE-2026-23269  +12 more Upstream summary: Qualys discovered that several vulnerabilities existed in the AppArmor Linux kernel Security Module (LSM). An […]

🟠 High   ⏱ 15–60 min  Last verified: 20 February 2026 Affected versions: Ubuntu 16.04 (xenial) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-8103-1 Related CVEs: CVE-2026-27596 CVE-2026-25884 CVE-2020-18899 CVE-2025-55304 CVE-2025-54080 CVE-2026-27631 CVE-2020-18771 CVE-2021-32815  +12 more Upstream summary: It was discovered that Exiv2 did not correctly handle reading certain buffers. An attacker could […]

🟠 High   ⏱ 15–60 min  Last verified: 19 February 2026 Affected versions: Ubuntu 16.04 (xenial) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-8005-1 Related CVEs: CVE-2026-0915 CVE-2025-8058 CVE-2025-15281 CVE-2026-0861 CVE-2025-0395 CVE-2024-33599 CVE-2024-33600 CVE-2024-33601  +12 more Upstream summary: Vitaly Simonovich discovered that the GNU C Library did not properly initialize the input when […]

🟢 Low   ⏱ 5–15 min  Last verified: 15 February 2026 Affected versions: Ubuntu 16.04 (xenial) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-8199-1 Related CVEs: CVE-2026-34881 CVE-2024-32498 Upstream summary: Martin Kaesberger discovered that OpenStack Glance's image processing could return the contents of arbitrary files. An attacker could possibly use this issue to […]