ubuntu

Ubuntu 18.04 — libxmlrpc3-java — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 18.04

Ubuntu 18.04 — libxmlrpc3-java — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: Ubuntu 18.04 (bionic) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-4496-1 Related CVEs: CVE-2019-17570 Upstream summary: It was discovered that Apache XML-RPC (aka ws-xmlrpc) does not properly deserialize untrusted data. An attacker could possibly use this issue to execute arbitrary […]

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Ubuntu 20.04 — python-xmltodict — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 20.04

Ubuntu 20.04 — python-xmltodict — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: Ubuntu 20.04 (focal) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-7753-1 Related CVEs: CVE-2025-9375 Upstream summary: Camilo Vera discovered that xmltodict parsed maliciously crafted XML input, contrary to expectations. An attacker could possibly use this issue to cause a denial […]

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

Ubuntu 20.04 — lasso — vulnerability — patch and remediation guide

🟢 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 […]

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

Ubuntu 20.04 — mailman — multiple vulnerabilities (8 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Ubuntu 20.04 (focal) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-8067-1 Related CVEs: CVE-2021-44227 CVE-2021-43331 CVE-2021-43332 CVE-2020-12108 CVE-2020-12137 CVE-2020-15011 CVE-2021-42096 CVE-2021-42097 Upstream summary: It was discovered that Mailman incorrectly handled CSRF tokens. A remote list member or moderator could possibly […]

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

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

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Ubuntu 20.04 (focal) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-8054-1 Related CVEs: CVE-2025-53367 CVE-2021-46312 CVE-2021-32490 CVE-2021-32491 CVE-2021-32492 CVE-2021-32493 CVE-2021-3500 Upstream summary: It was discovered that DjVuLibre could be forced to execute a division by zero in certain instances. A […]

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Ubuntu 18.04 — nghttp2 — multiple vulnerabilities (6 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 18.04

Ubuntu 18.04 — nghttp2 — multiple vulnerabilities (6 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Ubuntu 18.04 (bionic) 📖 ~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 […]

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Ubuntu 14.04 — flac — multiple vulnerabilities (6 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 14.04

Ubuntu 14.04 — flac — multiple vulnerabilities (6 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Ubuntu 14.04 (trusty) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-6360-2 Related CVEs: CVE-2020-22219 CVE-2017-6888 CVE-2020-0499 CVE-2021-0561 CVE-2014-8962 CVE-2014-9028 Upstream summary: USN-6360-1 fixed a vulnerability in FLAC. This update provides the corresponding update for Ubuntu 14.04 LTS, Ubuntu 16.04 LTS, […]

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Ubuntu 22.04 — cups-filters — multiple vulnerabilities (6 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 22.04

Ubuntu 22.04 — cups-filters — multiple vulnerabilities (6 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Ubuntu 22.04 (jammy) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-7878-1 Related CVEs: CVE-2025-64503 CVE-2025-57812 CVE-2025-64524 CVE-2024-47076 CVE-2024-47176 CVE-2023-24805 Upstream summary: It was discovered that cups-filters incorrectly handled certain malformed TIFF image files. A remote attacker could use this issue […]

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

Ubuntu 20.04 — underscore — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: Ubuntu 20.04 (focal) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-4913-1 Related CVEs: CVE-2021-23358 Upstream summary: It was discovered that Underscore incorrectly handled certain inputs. An attacker could possibly use this issue to inject arbitrary code. Table of contents Symptom […]

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