Ubuntu 18.04

🟠 High   ⏱ 15–60 min  Last verified: 17 February 2026 Affected versions: Ubuntu 18.04 (bionic) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-8223-1 Related CVEs: CVE-2024-38357 CVE-2024-38356 CVE-2024-42008 CVE-2024-42010 CVE-2026-26079 CVE-2026-25916 CVE-2019-15237 CVE-2017-8114  +12 more Upstream summary: It was discovered that Roundcube Webmail mishandled Punycode xn-- domain names. An attacker could possibly […]

🟠 High   ⏱ 15–60 min  Last verified: 13 February 2026 Affected versions: Ubuntu 18.04 (bionic) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-8273-1 Related CVEs: CVE-2024-50304 CVE-2026-23112 CVE-2026-23209 CVE-2026-31431 CVE-2026-31504 CVE-2026-31533 CVE-2026-43033 CVE-2026-43077  +12 more Upstream summary: Several security issues were discovered in the Linux kernel. An attacker could possibly use these […]

🟡 Medium   ⏱ 10–30 min  Last verified: 10 February 2026 Affected versions: Ubuntu 18.04 (bionic) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-8089-3 Related CVEs: CVE-2023-3978 CVE-2025-47911 CVE-2022-41723 CVE-2025-58190 CVE-2021-33194 CVE-2022-27664 CVE-2025-22872 CVE-2023-48795 Upstream summary: USN-8089-1 fixed vulnerabilities in Go Networking. This update provides the corresponding update to code vendored in LXD, […]

🟠 High   ⏱ 15–60 min  Last verified: 6 February 2026 Affected versions: Ubuntu 18.04 (bionic) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-8281-1 Related CVEs: CVE-2026-31431 CVE-2026-31504 CVE-2026-43033 CVE-2026-43077 CVE-2026-43078 CVE-2024-27388 CVE-2024-46816 CVE-2024-49938  +12 more Upstream summary: It was discovered that the Linux kernel algif_aead module did not properly handle in-place cryptographic […]

🟡 Medium   ⏱ 10–30 min  Last verified: 5 February 2026 Affected versions: Ubuntu 18.04 (bionic) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-8089-2 Related CVEs: CVE-2025-22872 CVE-2021-33194 CVE-2025-58190 CVE-2022-41723 CVE-2022-27664 CVE-2025-47911 CVE-2023-3978 CVE-2024-45338 Upstream summary: USN-8089-1 fixed vulnerabilities in Go Networking. This update provides the corresponding update to code vendored in golang-golang-x-net-dev. […]

🟠 High   ⏱ 15–60 min  Last verified: 1 February 2026 Affected versions: Ubuntu 18.04 (bionic) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-8018-3 Related CVEs: CVE-2026-0672 CVE-2025-15282 CVE-2025-12084 CVE-2026-0865 CVE-2023-27043 https://launchpad.net/bugs/2125702 CVE-2025-8194 CVE-2025-0938  +12 more Upstream summary: USN-8018-1 fixed CVE-2025-12084, CVE-2025-15282, CVE-2026-0672, CVE-2026-0865 for python3. This update provides the corresponding updates for […]

🟢 Low   ⏱ 5–15 min  Last verified: 31 January 2026 Affected versions: Ubuntu 18.04 (bionic) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-8225-1 Related CVEs: CVE-2025-68480 CVE-2018-17175 Upstream summary: Jared Deckard discovered that Python marshmallow did not correctly handle hiding certain fields. An attacker could possibly use this issue to leak sensitive […]

🟠 High   ⏱ 15–60 min  Last verified: 31 January 2026 Affected versions: Ubuntu 18.04 (bionic) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-8281-1 Related CVEs: CVE-2026-31431 CVE-2026-31504 CVE-2026-43033 CVE-2026-43077 CVE-2026-43078 CVE-2024-27388 CVE-2024-46816 CVE-2024-49938  +12 more Upstream summary: It was discovered that the Linux kernel algif_aead module did not properly handle in-place cryptographic […]

🟠 High   ⏱ 15–60 min  Last verified: 29 January 2026 Affected versions: Ubuntu 18.04 (bionic) 📖 ~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-2025-4802 CVE-2025-0395 CVE-2024-33599 CVE-2024-33600  +12 more Upstream summary: Vitaly Simonovich discovered that the GNU C Library did not properly initialize the input when […]

🟠 High   ⏱ 15–60 min  Last verified: 27 January 2026 Affected versions: Ubuntu 18.04 (bionic) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-7643-1 Related CVEs: CVE-2025-4969 CVE-2025-32914 CVE-2025-4945 CVE-2025-32907 CVE-2025-4948 CVE-2025-32053 CVE-2024-52531 CVE-2025-32052  +12 more Upstream summary: Jan Różański discovered that libsoup incorrectly handled range headers in an HTTP request. An attacker […]