Package Management

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

Ubuntu 20.04 — axel — 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-4872-1 Related CVEs: CVE-2020-13614 Upstream summary: It was discovered that Axel did not properly verify the certificates for hostnames. An attacker could use this vulnerability to impersonate another server and […]

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

Ubuntu 20.04 — net-tools — 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-7537-2 Related CVEs: https://launchpad.net/bugs/2111912 CVE-2025-46836 Upstream summary: USN-7537-1 fixed a vulnerability in net-tools that caused a regression. This update fixes the problem. Original advisory details: It was discovered that net-tools […]

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Ubuntu 14.04 — eject — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 14.04

Ubuntu 14.04 — eject — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: Ubuntu 14.04 (trusty) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-3246-1 Related CVEs: CVE-2017-6964 Upstream summary: Ilja Van Sprundel discovered that dmcrypt-get-device incorrectly checked setuid and setgid return values. A local attacker could use this issue to execute code as […]

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Ubuntu 22.04 — gnuplot — multiple vulnerabilities (7 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 22.04

Ubuntu 22.04 — gnuplot — multiple vulnerabilities (7 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-7773-1 Related CVEs: CVE-2025-31178 CVE-2025-31176 CVE-2025-31181 CVE-2025-31179 CVE-2025-31180 CVE-2025-31177 CVE-2025-3359 Upstream summary: ChenYiFan Liu discovered that Gnuplot did not correctly handle certain memory operations. An attacker could possibly use this […]

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

Ubuntu 20.04 — trafficserver — 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-7469-1 Related CVEs: CVE-2023-44487 Upstream summary: It was discovered that Apache Traffic Server exhibited poor server resource management in its HTTP/2 protocol. An attacker could possibly use this issue to […]

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

Ubuntu 18.04 — bouncycastle — 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-8108-1 Related CVEs: CVE-2024-30172 CVE-2023-33201 CVE-2025-8916 CVE-2024-29857 CVE-2024-30171 CVE-2024-34447 Upstream summary: It was discovered that Bouncy Castle did not sanitize user input when inserting it into an LDAP search filter. […]

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Ubuntu 22.04 — iniparser — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 22.04

Ubuntu 22.04 — iniparser — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: Ubuntu 22.04 (jammy) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-7286-1 Related CVEs: CVE-2025-0633 CVE-2023-33461 Upstream summary: It was discovered that iniParser incorrectly handled certain files. An attacker could possibly use this issue to cause iniParser to crash, resulting in […]

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

Ubuntu 20.04 — ovn — 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-7396-1 Related CVEs: CVE-2025-0650 CVE-2024-2182 Upstream summary: Marius Berntsberg, Trygve Vea, Tore Anderson, Rodolfo Alonso, Jay Faulkner, and Brian Haley discovered that OVN incorrectly handled certain crafted UDP packets. A […]

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Ubuntu 18.04 — opensaml2 — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 18.04

Ubuntu 18.04 — opensaml2 — 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-7364-1 Related CVEs: https://launchpad.net/bugs/2103420 Upstream summary: Alexander Tan discovered that the OpenSAML C++ library was susceptible to forging of signed SAML messages. An attacker could possibly use this issue to […]

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

Ubuntu 22.04 — ledgersmb — 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-7647-1 Related CVEs: CVE-2021-3693 CVE-2021-3731 CVE-2024-23831 CVE-2021-3882 CVE-2021-3694 Upstream summary: It was discovered that LedgerSMB did not check the origin of HTML fragments. An attacker could possibly use this issue […]

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