Package Management

Ubuntu 18.04 — python-pysaml2 — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 18.04

Ubuntu 18.04 — python-pysaml2 — multiple vulnerabilities (2 CVEs) — 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-5066-1 Related CVEs: CVE-2021-21239 CVE-2020-5390 Upstream summary: Brian Wolff discovered that PySAML2 incorrectly validated cryptographic signatures. A remote attacker could possibly use this issue to alter SAML documents. Table of […]

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Ubuntu 18.04 — golang-1.16 — multiple vulnerabilities (18 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 18.04

Ubuntu 18.04 — golang-1.16 — multiple vulnerabilities (18 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-6038-2 Related CVEs: CVE-2022-1705 CVE-2022-27664 CVE-2022-28131 CVE-2022-2879 CVE-2022-2880 CVE-2022-29526 CVE-2022-30629 CVE-2022-30630  +10 more Upstream summary: USN-6038-1 fixed several vulnerabilities in Go 1.18. This update provides the corresponding updates for Go […]

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

Ubuntu 14.04 — libcgroup — 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-4845-1 Related CVEs: CVE-2018-14348 Upstream summary: It was discovered that libcgroup incorrectly handled log file permissions. An attacker could possibly use this issue to obtain sensitive information. Table of contents […]

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Ubuntu 24.04 — rustc-1.74 — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 24.04

Ubuntu 24.04 — rustc-1.74 — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: Ubuntu 24.04 (noble) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-8168-1 Related CVEs: CVE-2026-33056 Upstream summary: It was discovered that tar-rs embedded in rustc incorrectly handled symlinks when unpacking a tar archive. If a user or automated system were tricked […]

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Ubuntu 18.04 — libx11 — multiple vulnerabilities (12 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 18.04

Ubuntu 18.04 — libx11 — multiple vulnerabilities (12 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-6407-2 Related CVEs: CVE-2023-43785 CVE-2023-43786 CVE-2023-43787 CVE-2023-3138 CVE-2021-31535 CVE-2020-14344 CVE-2020-14363 CVE-2016-7942  +4 more Upstream summary: USN-6407-1 fixed several vulnerabilities in libx11. This update provides the corresponding update for Ubuntu 14.04 […]

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Ubuntu 18.04 — rpcbind — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 18.04

Ubuntu 18.04 — rpcbind — multiple vulnerabilities (2 CVEs) — 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-4986-3 Related CVEs: https://launchpad.net/bugs/1931507 CVE-2017-8779 Upstream summary: USN-4986-1 fixed a vulnerability in rpcbind. The update caused a regression resulting in rpcbind crashing in certain environments. This update fixes the problem. […]

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Ubuntu 14.04 — mutt — multiple vulnerabilities (13 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 14.04

Ubuntu 14.04 — mutt — multiple vulnerabilities (13 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Ubuntu 14.04 (trusty) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-3719-1 Related CVEs: CVE-2018-14349 CVE-2018-14350 CVE-2018-14351 CVE-2018-14352 CVE-2018-14353 CVE-2018-14354 CVE-2018-14355 CVE-2018-14356  +5 more Upstream summary: It was discovered that Mutt incorrectly handled certain requests. An attacker could possibly use this […]

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Ubuntu 22.04 — mplayer — multiple vulnerabilities (10 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 22.04

Ubuntu 22.04 — mplayer — multiple vulnerabilities (10 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Ubuntu 22.04 (jammy) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-5895-1 Related CVEs: CVE-2022-38850 CVE-2022-38851 CVE-2022-38855 CVE-2022-38858 CVE-2022-38860 CVE-2022-38861 CVE-2022-38863 CVE-2022-38864  +2 more Upstream summary: It was discovered that MPlayer could be made to divide by zero when processing certain […]

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Ubuntu 16.04 — perl — multiple vulnerabilities (18 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 16.04

Ubuntu 16.04 — perl — multiple vulnerabilities (18 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-6112-1 Related CVEs: CVE-2023-31484 CVE-2020-16156 CVE-2020-10543 CVE-2020-10878 CVE-2020-12723 CVE-2018-18311 CVE-2018-18312 CVE-2018-18313  +10 more Upstream summary: It was discovered that Perl was not properly verifying TLS certificates when using CPAN together […]

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Ubuntu 20.04 — mod-wsgi — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 20.04

Ubuntu 20.04 — mod-wsgi — 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-5551-1 Related CVEs: CVE-2022-2255 Upstream summary: It was discovered that mod-wsgi did not correctly remove the X-Client-IP header when processing requests from untrusted proxies. A remote attacker could use this […]

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