ubuntu

Ubuntu 22.04 — ghostscript — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 22.04

Ubuntu 22.04 — ghostscript — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 11 April 2026 Affected versions: Ubuntu 22.04 (jammy) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-7782-1 Related CVEs: CVE-2025-59799 CVE-2025-7462 CVE-2025-59798 CVE-2025-59800 CVE-2024-56827 CVE-2025-48708 CVE-2024-29508 CVE-2025-27836  +12 more Upstream summary: It was discovered that Ghostscript incorrectly handled opening a file to write. An attacker could […]

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Ubuntu 24.04 — python-cryptography — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 24.04

Ubuntu 24.04 — python-cryptography — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 10 April 2026 Affected versions: Ubuntu 24.04 (noble) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-8087-2 Related CVEs: https://launchpad.net/bugs/2144373 CVE-2026-26007 CVE-2024-26130 Upstream summary: USN-8087-1 fixed a vulnerability in python-cryptography. The update caused a regression when using ECC algorithms with certain software. This update fixes the […]

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

Ubuntu 20.04 — mako — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 10 April 2026 Affected versions: Ubuntu 20.04 (focal) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-8234-1 Related CVEs: CVE-2026-41205 CVE-2022-40023 Upstream summary: It was discovered that Mako incorrectly handled URIs with double-slash prefixes in TemplateLookup. A remote attacker could possibly use this issue to obtain […]

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Ubuntu 24.04 — rust-tar — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 24.04

Ubuntu 24.04 — rust-tar — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 10 April 2026 Affected versions: Ubuntu 24.04 (noble) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-8138-1 Related CVEs: CVE-2026-33056 Upstream summary: It was discovered that tar-rs incorrectly handled symlinks when unpacking a tar archive. If a user or automated system were tricked into processing a […]

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Ubuntu 18.04 — curl — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 18.04

Ubuntu 18.04 — curl — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 9 April 2026 Affected versions: Ubuntu 18.04 (bionic) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-8099-1 Related CVEs: CVE-2026-3784 CVE-2026-1965 CVE-2026-3783 CVE-2025-15224 CVE-2025-15079 CVE-2025-14017 CVE-2024-7264 CVE-2024-2398  +12 more Upstream summary: Zhicheng Chen discovered that curl could incorrectly reuse the wrong connection for Negotiate-authenticated HTTP or […]

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Ubuntu 22.04 — python-multipart — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 22.04

Ubuntu 22.04 — python-multipart — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 9 April 2026 Affected versions: Ubuntu 22.04 (jammy) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-8027-1 Related CVEs: CVE-2026-24486 CVE-2024-53981 CVE-2024-24762 Upstream summary: It was discovered that Python-Multipart incorrectly handled certain regular expressions. An attacker could possibly use this issue to cause Python-Multipart to consume […]

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Ubuntu 14.04 — pyasn1 — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 14.04

Ubuntu 14.04 — pyasn1 — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 9 April 2026 Affected versions: Ubuntu 14.04 (trusty) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-8134-1 Related CVEs: CVE-2026-30922 CVE-2026-23490 Upstream summary: It was discovered that pyasn1 could exhaust system resources when attempting to decode a malformed certificate. An attacker could possibly use this to […]

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Ubuntu 22.04 — dovecot — multiple vulnerabilities (15 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 22.04

Ubuntu 22.04 — dovecot — multiple vulnerabilities (15 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 8 April 2026 Affected versions: Ubuntu 22.04 (jammy) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-8136-2 Related CVEs: CVE-2026-0394 https://launchpad.net/bugs/2150116 CVE-2025-59028 CVE-2026-27855 CVE-2026-27860 CVE-2025-59031 CVE-2025-59032 CVE-2026-27858  +7 more Upstream summary: USN-8136-1 fixed vulnerabilities in Dovecot. The update caused a regression on Ubuntu 22.04 LTS and […]

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

Ubuntu 20.04 — openssl — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 8 April 2026 Affected versions: Ubuntu 20.04 (focal) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-8155-2 Related CVEs: CVE-2026-28388 CVE-2026-28389 CVE-2026-28390 CVE-2026-28387 CVE-2025-68160 CVE-2025-69420 CVE-2026-22796 CVE-2025-69421  +12 more Upstream summary: USN-8155-1 fixed vulnerabilities in OpenSSL. This update provides the corresponding updates for CVE-2026-28387 for openssl […]

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Ubuntu 18.04 — linux-aws-5.4 — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 18.04

Ubuntu 18.04 — linux-aws-5.4 — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 8 April 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-2022-49046 CVE-2024-46816 CVE-2025-37849 CVE-2026-23060 CVE-2026-23074  +12 more Upstream summary: Several security issues were discovered in the Linux kernel. An attacker could possibly use these […]

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