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-6761-1 Related CVEs: CVE-2024-30187 Upstream summary: It was discovered that Anope did not properly process credentials for suspended accounts. An attacker could possibly use this issue to normally login to […]

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Ubuntu 20.04 (focal) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-7266-1 Related CVEs: CVE-2017-0691 CVE-2020-19858 CVE-2020-22628 CVE-2020-35530 CVE-2020-35531 CVE-2020-35532 CVE-2020-35533 CVE-2021-32142  +1 more Upstream summary: Zinuo Han and Ao Wang discovered that the Android DNG SDK, vendored in digiKam, did […]

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: Ubuntu 20.04 (focal) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-6683-1 Related CVEs: CVE-2023-34624 Upstream summary: It was discovered that HtmlCleaner incorrectly handled certain html documents. An attacker could possibly use this issue to cause a denial of service via […]

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Ubuntu 20.04 (focal) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-8090-2 Related CVEs: CVE-2026-3497 CVE-2025-61985 CVE-2025-61984 CVE-2025-32728 CVE-2025-26465 CVE-2025-26466 CVE-2021-41617 CVE-2023-51384  +6 more Upstream summary: USN-8090-1 fixed vulnerabilities in OpenSSH. This update provides the corresponding updates for Ubuntu 20.04 LTS. […]

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Ubuntu 20.04 (focal) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-8071-2 Related CVEs: CVE-2026-2781 https://launchpad.net/bugs/2060906 CVE-2023-4421 CVE-2023-5388 CVE-2023-6135 CVE-2022-3479 CVE-2023-0767 CVE-2022-22747  +10 more Upstream summary: USN-8071-1 fixed a vulnerability in nss. This update provides the corresponding fix for Ubuntu 14.04 […]

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Ubuntu 20.04 (focal) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-6933-1 Related CVEs: CVE-2021-42387 CVE-2021-42388 CVE-2021-43305 Upstream summary: It was discovered that ClickHouse incorrectly handled memory, leading to a heap out-of-bounds data read. 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-6493-1 Related CVEs: https://launchpad.net/bugs/2043739 Upstream summary: On Ubuntu 20.04 LTS and Ubuntu 22.04 LTS, the hibagent package has been updated to add IMDSv2 support, as IMDSv1 uses an insecure protocol […]

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Ubuntu 20.04 (focal) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-6760-1 Related CVEs: CVE-2023-4508 CVE-2021-40391 CVE-2021-40393 CVE-2021-40394 CVE-2021-40400 CVE-2021-40401 CVE-2021-40403 Upstream summary: George-Andrei Iosif and David Fernandez Gonzalez discovered that Gerbv did not properly initialize a data structure when parsing […]

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Ubuntu 20.04 (focal) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-7955-2 Related CVEs: CVE-2026-21441 https://bugs.launchpad.net/bugs/2138420 CVE-2025-66418 CVE-2025-66471 CVE-2025-50182 CVE-2025-50181 CVE-2024-37891 CVE-2018-25091  +4 more Upstream summary: USN-7955-1 fixed vulnerabilities in urllib3. The update introduced a regression in response streaming on Ubuntu […]

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: Ubuntu 20.04 (focal) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-6358-1 Related CVEs: CVE-2023-31606 Upstream summary: It was discovered that RedCloth incorrectly handled certain inputs during html sanitisation. An attacker could possibly use this issue to cause a denial of […]