Fix Prevention

Ubuntu 22.04 — python-werkzeug — multiple vulnerabilities (4 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 22.04

Ubuntu 22.04 — python-werkzeug — multiple vulnerabilities (4 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-7093-1 Related CVEs: CVE-2024-49767 CVE-2024-34069 CVE-2023-23934 CVE-2023-25577 Upstream summary: It was discovered that Werkzeug incorrectly handled multiple form submission requests. A remote attacker could possibly use this issue to cause […]

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Ubuntu 18.04 — yard — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 18.04

Ubuntu 18.04 — yard — multiple vulnerabilities (3 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-6731-1 Related CVEs: CVE-2017-17042 CVE-2019-1020001 CVE-2024-27285 Upstream summary: It was discovered that YARD before 0.9.11 does not block relative paths with an initial ../ sequence, which allows attackers to conduct […]

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

Ubuntu 22.04 — ca-certificates — multiple vulnerabilities (3 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-7034-1 Related CVEs: https://launchpad.net/bugs/2081875 https://launchpad.net/bugs/2020089 https://launchpad.net/bugs/1998785 Upstream summary: The ca-certificates package contained outdated CA certificates. This update refreshes the included certificates to those contained in the 2.64 version of the […]

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Ubuntu 16.04 — atftp — multiple vulnerabilities (5 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 16.04

Ubuntu 16.04 — atftp — multiple vulnerabilities (5 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Ubuntu 16.04 (xenial) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-6334-1 Related CVEs: CVE-2020-6097 CVE-2021-41054 CVE-2021-46671 CVE-2019-11365 CVE-2019-11366 Upstream summary: Peter Wang discovered that atftp did not properly manage certain inputs. A remote attacker could send a specially crafted tftp […]

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Ubuntu 22.04 — espeak-ng — multiple vulnerabilities (5 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 22.04

Ubuntu 22.04 — espeak-ng — multiple vulnerabilities (5 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-6858-1 Related CVEs: CVE-2023-49990 CVE-2023-49991 CVE-2023-49992 CVE-2023-49993 CVE-2023-49994 Upstream summary: It was discovered that eSpeak NG did not properly manage memory under certain circumstances. An attacker could possibly use this […]

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Ubuntu 16.04 — rabbitmq-server — multiple vulnerabilities (4 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 16.04

Ubuntu 16.04 — rabbitmq-server — multiple vulnerabilities (4 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Ubuntu 16.04 (xenial) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-6265-1 Related CVEs: CVE-2017-4966 CVE-2019-11287 CVE-2021-22116 CVE-2016-9877 Upstream summary: It was discovered that RabbitMQ incorrectly handled certain signed-in user credentials. An attacker could possibly use this issue to expose sensitive […]

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Ubuntu 16.04 — libssh — multiple vulnerabilities (17 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 16.04

Ubuntu 16.04 — libssh — multiple vulnerabilities (17 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Ubuntu 16.04 (xenial) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-8093-1 Related CVEs: CVE-2026-3731 CVE-2026-0965 CVE-2026-0964 CVE-2026-0967 CVE-2026-0966 CVE-2026-0968 CVE-2025-8277 CVE-2025-8114  +9 more Upstream summary: It was discovered that libssh incorrectly performed bounds checking when processing SFTP extensions. If a […]

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

Ubuntu 20.04 — libclamunrar — multiple vulnerabilities (2 CVEs) — 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-6569-1 Related CVEs: CVE-2022-30333 CVE-2023-40477 Upstream summary: it was discovered that libclamunrar incorrectly handled directories when extracting RAR archives. A remote attacker could possibly use this issue to overwrite arbitrary […]

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Ubuntu 16.04 — sysstat — multiple vulnerabilities (4 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 16.04

Ubuntu 16.04 — sysstat — multiple vulnerabilities (4 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Ubuntu 16.04 (xenial) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-6145-1 Related CVEs: CVE-2022-39377 CVE-2023-33204 CVE-2019-16167 CVE-2019-19725 Upstream summary: It was discovered that Sysstat incorrectly handled certain arithmetic multiplications. An attacker could use this issue to cause Sysstat to crash, […]

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Ubuntu 18.04 — yara — multiple vulnerabilities (17 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 18.04

Ubuntu 18.04 — yara — multiple vulnerabilities (17 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Ubuntu 18.04 (bionic) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-8080-1 Related CVEs: CVE-2018-19976 CVE-2017-9304 CVE-2018-19974 CVE-2017-8294 CVE-2018-12034 CVE-2017-8929 CVE-2021-45429 CVE-2017-11328  +9 more Upstream summary: Kamil Frankowicz discovered that a number of YARA's functions generated memory exceptions when processing specially […]

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