Ubuntu 20.04

🟢 Low   ⏱ 5–15 min  Last verified: 5 June 2026 Affected versions: Ubuntu 20.04 (focal) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-8133-1 Related CVEs: CVE-2026-32597 CVE-2022-29217 Upstream summary: It was discovered that PyJWT did not validate the critical header parameter, contrary to the RFC specification expectations. A remote attacker could possibly […]

🟢 Low   ⏱ 5–15 min  Last verified: 1 June 2026 Affected versions: Ubuntu 20.04 (focal) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-8040-1 Related CVEs: CVE-2026-25506 Upstream summary: Titouan Lazard discovered that MUNGE contained an exploitable buffer overflow in munged (the MUNGE authentication daemon). A local attacker could possibly use this issue […]

🟠 High   ⏱ 15–60 min  Last verified: 1 June 2026 Affected versions: Ubuntu 20.04 (focal) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-8011-1 Related CVEs: CVE-2025-1244 CVE-2024-53920 CVE-2022-45939 CVE-2022-48337 CVE-2022-48338 CVE-2022-48339 CVE-2023-28617 CVE-2024-30203  +4 more Upstream summary: It was discovered that Emacs could trigger unsafe Lisp macro expansion, when a user invoked […]

🟠 High   ⏱ 15–60 min  Last verified: 29 May 2026 Affected versions: Ubuntu 20.04 (focal) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-8102-1 Related CVEs: CVE-2026-3888 CVE-2024-1724 CVE-2024-29068 CVE-2024-29069 CVE-2023-1523 CVE-2022-3328 https://bugs.launchpad.net/ubuntu/+source/snapd/+bug/1961365 https://bugs.launchpad.net/ubuntu/+source/snapd/+bug/1961791  +7 more Upstream summary: Qualys discovered that snapd incorrectly handled certain operations in the snap's private /tmp directory. If […]

🟠 High   ⏱ 15–60 min  Last verified: 28 May 2026 Affected versions: Ubuntu 20.04 (focal) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-7952-1 Related CVEs: CVE-2024-25269 CVE-2025-68431 CVE-2019-11471 CVE-2020-23109 CVE-2023-0996 CVE-2023-29659 CVE-2023-49460 CVE-2023-49462  +2 more Upstream summary: It was discovered that libheif did not correctly handle certain memory operations. An attacker could […]

🟠 High   ⏱ 15–60 min  Last verified: 27 May 2026 Affected versions: Ubuntu 20.04 (focal) 📖 ~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 […]

🟢 Low   ⏱ 5–15 min  Last verified: 26 May 2026 Affected versions: Ubuntu 20.04 (focal) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-7989-1 Related CVEs: CVE-2025-58438 Upstream summary: Pengo Wray discovered that The Internet Archive Python Library incorrectly handled certain file paths when downloading files. An attacker could possibly use this issue […]

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Ubuntu 20.04 (focal) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-8233-1 Related CVEs: CVE-2026-27135 CVE-2019-9511 CVE-2019-9513 CVE-2023-44487 CVE-2024-28182 CVE-2020-11080 Upstream summary: Andrew MacPherson discovered that nghttp2 did not properly validate internal state when the session termination API was called. A […]

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Ubuntu 20.04 (focal) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-8200-3 Related CVEs: CVE-2022-49046 CVE-2024-46816 CVE-2025-37849 CVE-2026-23060 CVE-2026-23074 CVE-2021-47599 CVE-2022-48875 CVE-2022-49072  +12 more Upstream summary: Several security issues were discovered in the Linux kernel. An attacker could possibly use these […]

🟢 Low   ⏱ 5–15 min  Last verified: 22 May 2026 Affected versions: Ubuntu 20.04 (focal) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-8226-2 Related CVEs: CVE-2026-31431 Upstream summary: USN-8226-1 added a mitigation to kmod to disable loading the algif_aead module. This update adds the same mitigation to Ubuntu 14.04 LTS, Ubuntu 16.04 […]