Ubuntu 20.04

Ubuntu 20.04 — mbedtls — multiple vulnerabilities (7 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 20.04

Ubuntu 20.04 — mbedtls — multiple vulnerabilities (7 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 12 March 2026 Affected versions: Ubuntu 20.04 (focal) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-8123-1 Related CVEs: CVE-2025-47917 CVE-2021-44732 CVE-2025-48965 CVE-2025-52497 CVE-2025-52496 CVE-2025-27810 CVE-2024-23775 Upstream summary: It was discovered that Mbed TLS incorrectly handled memory allocation failures. A remote attacker could possibly use this […]

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Ubuntu 20.04 — gimp — multiple vulnerabilities (18 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 20.04

Ubuntu 20.04 — gimp — multiple vulnerabilities (18 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 11 March 2026 Affected versions: Ubuntu 20.04 (focal) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-8082-1 Related CVEs: CVE-2025-5473 CVE-2025-6035 CVE-2025-48798 CVE-2025-2760 CVE-2025-10934 CVE-2025-14422 CVE-2025-48797 CVE-2017-17785  +10 more Upstream summary: Michael Randrianantenaina discovered that GIMP incorrectly handled certain malformed ICO files. An attacker could possibly […]

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Ubuntu 20.04 — rustc-1.77 — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 20.04

Ubuntu 20.04 — rustc-1.77 — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 7 March 2026 Affected versions: Ubuntu 20.04 (focal) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-8168-2 Related CVEs: CVE-2026-33056 Upstream summary: USN-8168-1 fixed a vulnerability in Rust. This update provides the corresponding update to Ubuntu 14.04 LTS, Ubuntu 16.04 LTS, Ubuntu 18.04 LTS and Ubuntu […]

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Ubuntu 20.04 — libhtp — multiple vulnerabilities (4 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 20.04

Ubuntu 20.04 — libhtp — multiple vulnerabilities (4 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 6 March 2026 Affected versions: Ubuntu 20.04 (focal) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-7814-1 Related CVEs: CVE-2024-23837 CVE-2025-53537 CVE-2024-28871 CVE-2024-45797 Upstream summary: It was discovered that LibHTP did not correctly handle certain HTTP headers. A remote attacker could possibly use this issue to […]

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Ubuntu 20.04 — libpng1.6 — multiple vulnerabilities (8 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 20.04

Ubuntu 20.04 — libpng1.6 — multiple vulnerabilities (8 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 6 March 2026 Affected versions: Ubuntu 20.04 (focal) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-8035-1 Related CVEs: CVE-2026-25646 CVE-2026-22801 CVE-2025-66293 CVE-2026-22695 CVE-2025-64720 CVE-2025-64506 CVE-2025-64505 CVE-2025-65018 Upstream summary: It was discovered that the libpng simplified API incorrectly processed palette PNG images with partial transparency and […]

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Ubuntu 20.04 — rustc — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 20.04

Ubuntu 20.04 — rustc — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 4 March 2026 Affected versions: Ubuntu 20.04 (focal) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-8168-2 Related CVEs: CVE-2026-33056 Upstream summary: USN-8168-1 fixed a vulnerability in Rust. This update provides the corresponding update to Ubuntu 14.04 LTS, Ubuntu 16.04 LTS, Ubuntu 18.04 LTS and Ubuntu […]

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Ubuntu 20.04 — linux-aws — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 20.04

Ubuntu 20.04 — linux-aws — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 4 March 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 […]

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Ubuntu 20.04 — zulucrypt — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 20.04

Ubuntu 20.04 — zulucrypt — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 27 February 2026 Affected versions: Ubuntu 20.04 (focal) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-8218-1 Related CVEs: CVE-2025-53391 Upstream summary: Aaron Rainbolt discovered that zuluCrypt used insecure PolicyKit settings in zuluPolkit. An attacker could possibly use this issue to cause local privilege escalation to […]

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Ubuntu 20.04 — rustc-1.80 — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 20.04

Ubuntu 20.04 — rustc-1.80 — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 26 February 2026 Affected versions: Ubuntu 20.04 (focal) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-8168-2 Related CVEs: CVE-2026-33056 Upstream summary: USN-8168-1 fixed a vulnerability in Rust. This update provides the corresponding update to Ubuntu 14.04 LTS, Ubuntu 16.04 LTS, Ubuntu 18.04 LTS and Ubuntu […]

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Ubuntu 20.04 — python-filelock — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 20.04

Ubuntu 20.04 — python-filelock — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 23 February 2026 Affected versions: Ubuntu 20.04 (focal) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-7999-1 Related CVEs: CVE-2025-68146 CVE-2026-22701 Upstream summary: It was discovered that Filelock incorrectly handled symlinks in temp files. A local attacker could possibly use this issue to cause lock operations […]

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