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-5148-1 Related CVEs: CVE-2021-3504 Upstream summary: It was discovered that hivex incorrectly handled certain input. An attacker could use this vulnerability to cause a crash or obtain sensitive information. Table […]

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: Ubuntu 20.04 (focal) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-7969-1 Related CVEs: CVE-2020-11722 Upstream summary: David Mendenhall discovered that Dungeon Crawl Stone Soup was incorrectly handling Lua bytecode embedded in an uploaded .crawlrc file. An attacker could possibly use […]

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Ubuntu 20.04 (focal) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-8128-1 Related CVEs: CVE-2018-25099 CVE-2025-40914 CVE-2025-40912 Upstream summary: It was discovered that CryptX did not verify authentication tags while performing GCM and ChaCha20-Poly1305 decryption. An attacker could possibly use this […]

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: Ubuntu 20.04 (focal) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-4974-1 Related CVEs: CVE-2021-28091 Upstream summary: It was discovered that Lasso did not properly verify that all assertions in a SAML response were properly signed. An attacker could possibly use […]

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: Ubuntu 20.04 (focal) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-7693-1 Related CVEs: CVE-2022-24999 Upstream summary: Nathanael Braun and Johan Brissaud discovered that qs was vulnerable to prototype pollution. A remote attacker could possibly use this issue to cause a […]

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: Ubuntu 20.04 (focal) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-4874-1 Related CVEs: CVE-2020-1945 Upstream summary: It was discovered that Apache Ant created temporary files with insecure permissions. An attacker could use this vulnerability to read sensitive information leaked into […]

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Ubuntu 20.04 (focal) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-7945-1 Related CVEs: CVE-2025-7424 CVE-2023-40403 CVE-2025-24855 CVE-2024-55549 CVE-2019-5815 CVE-2021-30560 Upstream summary: Ivan Fratric discovered that Libxslt was vulnerable to type confusion when performing XML transformations. An attacker could possibly use […]

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: Ubuntu 20.04 (focal) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-7396-1 Related CVEs: CVE-2025-0650 CVE-2024-2182 Upstream summary: Marius Berntsberg, Trygve Vea, Tore Anderson, Rodolfo Alonso, Jay Faulkner, and Brian Haley discovered that OVN incorrectly handled certain crafted UDP packets. A […]

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: Ubuntu 20.04 (focal) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-4623-1 Related CVEs: CVE-2020-25654 Upstream summary: Ken Gaillot discovered that Pacemaker incorrectly handled IPC communications permissions. A local attacker could possibly use this issue to bypass ACL restrictions and execute […]

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Ubuntu 20.04 (focal) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-7662-1 Related CVEs: CVE-2025-6199 CVE-2025-7345 CVE-2022-48622 CVE-2021-44648 CVE-2021-46829 CVE-2021-20240 CVE-2020-29385 Upstream summary: It was discovered that GDK-Pixbuf incorrectly handled certain GIF files. An attacker could possibly use this issue to […]