Fix Prevention

Ubuntu 18.04 — lua5.3 — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 18.04

Ubuntu 18.04 — lua5.3 — 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-3941-1 Related CVEs: CVE-2019-6706 Upstream summary: Fady Othman discovered that Lua incorrectly handled certain scripts. An attacker could possibly use this issue to cause a denial of service. Table of […]

Read more
Ubuntu 18.04 — stunnel4 — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 18.04

Ubuntu 18.04 — stunnel4 — 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-6901-1 Related CVEs: CVE-2021-20230 Upstream summary: It was discovered that stunnel did not properly validate client certificates when configured to use both the redirect and verifyChain options. A remote attacker […]

Read more
Ubuntu 18.04 — gss-ntlmssp — multiple vulnerabilities (4 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 18.04

Ubuntu 18.04 — gss-ntlmssp — multiple vulnerabilities (4 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-7588-1 Related CVEs: CVE-2023-25567 CVE-2023-25565 CVE-2023-25564 CVE-2023-25563 Upstream summary: Phil Turnbull discovered that GSS NTLMSSP may perform out-of-bounds reads when decoding NTLM fields and target information. An attacker could possibly […]

Read more
Ubuntu 22.04 — tika — multiple vulnerabilities (5 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 22.04

Ubuntu 22.04 — tika — 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-7529-1 Related CVEs: CVE-2022-33879 CVE-2022-30126 CVE-2022-30973 CVE-2020-1950 CVE-2020-1951 Upstream summary: It was discovered that Apache Tika can have an excessive memory usage by using a crafted or corrupt PSD file. […]

Read more
Ubuntu 18.04 — libhibernate3-java — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 18.04

Ubuntu 18.04 — libhibernate3-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-6845-1 Related CVEs: CVE-2020-25638 Upstream summary: It was discovered that Hibernate incorrectly handled certain inputs with unsanitized literals. If a user or an automated system were tricked into opening a […]

Read more
Ubuntu 18.04 — open-vm-tools — multiple vulnerabilities (6 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 18.04

Ubuntu 18.04 — open-vm-tools — 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-7508-2 Related CVEs: CVE-2025-22247 CVE-2023-34058 CVE-2023-34059 CVE-2023-20900 CVE-2023-20867 CVE-2022-31676 Upstream summary: USN-7508-1 fixed a vulnerability in Open VM Tools. This update provides the corresponding update for Ubuntu 16.04 LTS and […]

Read more
Ubuntu 14.04 — wget — multiple vulnerabilities (9 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 14.04

Ubuntu 14.04 — wget — multiple vulnerabilities (9 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-3943-1 Related CVEs: CVE-2018-20483 CVE-2019-5953 CVE-2018-0494 CVE-2016-7098 CVE-2017-13089 CVE-2017-13090 CVE-2017-6508 CVE-2016-4971  +1 more Upstream summary: It was discovered that Wget incorrectly handled certain inputs. An attacker could possibly use this […]

Read more
Ubuntu 18.04 — base-files — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 18.04

Ubuntu 18.04 — base-files — 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-3748-1 Related CVEs: CVE-2018-6557 Upstream summary: Sander Bos discovered that the MOTD update script incorrectly handled temporary files. A local attacker could use this issue to cause a denial of […]

Read more
Ubuntu 14.04 — moin — multiple vulnerabilities (4 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 14.04

Ubuntu 14.04 — moin — multiple vulnerabilities (4 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-3794-1 Related CVEs: CVE-2017-5934 CVE-2016-7146 CVE-2016-7148 CVE-2016-9119 Upstream summary: It was discovered that MoinMoin incorrectly handled certain inputs. An attacker could possibly use this issue to access sensitive information. Table […]

Read more
Ubuntu 18.04 — mosquitto — multiple vulnerabilities (5 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 18.04

Ubuntu 18.04 — mosquitto — multiple vulnerabilities (5 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-7441-1 Related CVEs: CVE-2024-10525 CVE-2024-3935 CVE-2017-7655 CVE-2017-7653 CVE-2017-7654 Upstream summary: It was discovered that Eclipse Mosquitto client incorrectly handled memory when receiving a SUBACK packet. An attacker with a malicious […]

Read more
CHAT