ubuntu

Ubuntu 14.04 — leptonlib — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 14.04

Ubuntu 14.04 — leptonlib — multiple vulnerabilities (3 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-4819-1 Related CVEs: CVE-2017-18196 CVE-2018-3836 CVE-2018-7186 Upstream summary: It was discovered that Leptonica incorrectly handled path names. An attacker could possibly use this issue to obtain sensitive information. This issue […]

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Ubuntu 22.04 — ubuntu-advantage-desktop-daemon — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 22.04

Ubuntu 22.04 — ubuntu-advantage-desktop-daemon — 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-7063-1 Related CVEs: CVE-2024-6388 Upstream summary: Marco Trevisan discovered that the Ubuntu Advantage Desktop Daemon leaked the Pro token to unprivileged users by passing the token as an argument in […]

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Ubuntu 20.04 — glib-networking — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 20.04

Ubuntu 20.04 — glib-networking — 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-4405-1 Related CVEs: CVE-2020-13645 Upstream summary: It was discovered that glib-networking skipped hostname certificate verification if the application failed to specify the server identity. A remote attacker could use this […]

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Ubuntu 20.04 — ubuntu-advantage-desktop-daemon — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 20.04

Ubuntu 20.04 — ubuntu-advantage-desktop-daemon — 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-7063-1 Related CVEs: CVE-2024-6388 Upstream summary: Marco Trevisan discovered that the Ubuntu Advantage Desktop Daemon leaked the Pro token to unprivileged users by passing the token as an argument in […]

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Ubuntu 14.04 — ppp — multiple vulnerabilities (5 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 14.04

Ubuntu 14.04 — ppp — multiple vulnerabilities (5 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-4451-2 Related CVEs: CVE-2020-15704 CVE-2020-8597 CVE-2018-11574 CVE-2015-3310 CVE-2014-3158 Upstream summary: USN-4451-1 fixed a vulnerability in ppp. This update provides the corresponding update for Ubuntu 12.04 ESM and Ubuntu 14.04 ESM. […]

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Ubuntu 24.04 — uriparser — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 24.04

Ubuntu 24.04 — uriparser — multiple vulnerabilities (2 CVEs) — 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-7356-1 Related CVEs: CVE-2024-34402 CVE-2024-34403 Upstream summary: It was discovered that uriparser did not correctly handle certain inputs, which could lead to an integer overflow. An attacker could possibly use […]

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

Ubuntu 22.04 — apparmor — 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-7035-1 Related CVEs: CVE-2016-1585 https://bugs.launchpad.net/apparmor/+bug/1597017 Upstream summary: It was discovered that the AppArmor policy compiler incorrectly generated looser restrictions than expected for rules allowing mount operations. A local attacker could […]

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

Ubuntu 18.04 — apparmor — 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-3784-1 Related CVEs: https://launchpad.net/bugs/1788929 https://launchpad.net/bugs/1794848 Upstream summary: As a security improvement, this update adjusts the private-files abstraction to disallow writing to thumbnailer configuration files. Additionally adjust the private-files, private-files-strict and […]

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Ubuntu 22.04 — jupyter-notebook — multiple vulnerabilities (9 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 22.04

Ubuntu 22.04 — jupyter-notebook — multiple vulnerabilities (9 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-7464-1 Related CVEs: CVE-2022-25887 CVE-2018-19351 CVE-2018-21030 CVE-2019-10255 CVE-2019-10856 CVE-2019-9644 CVE-2020-26215 CVE-2022-24758  +1 more Upstream summary: It was discovered that Jupyter Notebook did not properly parse HTML comments under certain circumstances. […]

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

Ubuntu 24.04 — vlc — 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-7243-1 Related CVEs: CVE-2024-46461 Upstream summary: It was discovered that VLC incorrectly handled memory when reading an MMS stream. An attacker could possibly use this issue to cause a denial […]

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