chris

Ubuntu 22.04 — libblockdev — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 22.04

Ubuntu 22.04 — libblockdev — vulnerability — 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-7577-1 Related CVEs: CVE-2025-6019 Upstream summary: It was discovered that libblockdev incorrectly handled mount options when resizing certain filesystems. A local attacker with an active session on the console can […]

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Ubuntu 16.04 — gst-plugins-bad1.0 — multiple vulnerabilities (6 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 16.04

Ubuntu 16.04 — gst-plugins-bad1.0 — multiple vulnerabilities (6 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-8205-1 Related CVEs: CVE-2023-40474 CVE-2023-40475 CVE-2025-3887 CVE-2023-37329 CVE-2023-40476 CVE-2023-44446 Upstream summary: It was discovered that multiple plugins in GStreamer contained arithmetic overflows. An attacker could possibly use this issue to […]

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

Ubuntu 18.04 — git-lfs — 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-7977-1 Related CVEs: CVE-2024-53263 CVE-2025-26625 Upstream summary: Ryota K discovered that Git LFS may leak login credentials in certain instances due to failing to check for URL-encoded characters. An attacker […]

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Ubuntu 14.04 — shadow — multiple vulnerabilities (8 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 14.04

Ubuntu 14.04 — shadow — multiple vulnerabilities (8 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-6640-1 Related CVEs: CVE-2023-4641 https://launchpad.net/bugs/1998169 CVE-2013-4235 CVE-2017-12424 CVE-2018-7169 https://launchpad.net/bugs/1690820 CVE-2016-6252 CVE-2017-2616 Upstream summary: It was discovered that shadow was not properly sanitizing memory when running the password utility. An attacker […]

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

Ubuntu 20.04 — mbedtls — 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-8123-1 Related CVEs: CVE-2025-47917 CVE-2021-44732 CVE-2025-48965 CVE-2025-52497 CVE-2025-52496 CVE-2025-27810 CVE-2024-23775 Upstream summary: It was discovered that Mbed TLS incorrectly handled memory allocation failures. A remote attacker could possibly use this […]

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Ubuntu 18.04 — libiberty — multiple vulnerabilities (14 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 18.04

Ubuntu 18.04 — libiberty — multiple vulnerabilities (14 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-4326-1 Related CVEs: CVE-2018-12641 CVE-2018-12697 CVE-2018-12698 CVE-2018-12934 CVE-2018-17794 CVE-2018-17985 CVE-2018-18483 CVE-2018-18484  +6 more Upstream summary: It was discovered that libiberty incorrectly handled parsing certain binaries. If a user or automated […]

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

Ubuntu 20.04 — gpsd — 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-5035-1 Related CVEs: https://launchpad.net/bugs/1938730 Upstream summary: It was discovered that GPSd incorrectly handled certain leap second events which would result in the time jumping back 1024 weeks on 2021-10-31. Table […]

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Ubuntu 20.04 — golang-go.crypto — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 20.04

Ubuntu 20.04 — golang-go.crypto — 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-7839-1 Related CVEs: CVE-2024-45337 Upstream summary: Damien Tournoud, Patrick Dawkins, Vince Parker, and Jules Duvivier discovered that Go Cryptography incorrectly handled public keys during SSH operations. An attacker could possibly […]

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Ubuntu 24.04 — subversion — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 24.04

Ubuntu 24.04 — subversion — 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-7818-2 Related CVEs: CVE-2024-46901 Upstream summary: USN-7818-1 fixed vulnerabilities in Apache Subversion. This update provides the corresponding update for Ubuntu 18.04 LTS, Ubuntu 20.04 LTS, Ubuntu 22.04 LTS, and Ubuntu […]

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

Ubuntu 18.04 — storebackup — 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-4508-1 Related CVEs: CVE-2020-7040 Upstream summary: It was discovered that StoreBackup did not properly manage lock files. A local attacker could use this issue to cause a denial of service […]

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