ubuntu

Ubuntu 24.04 — libheif — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 24.04

Ubuntu 24.04 — libheif — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 April 2026 Affected versions: Ubuntu 24.04 (noble) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-7952-1 Related CVEs: CVE-2024-25269 CVE-2025-68431 CVE-2024-41311 Upstream summary: It was discovered that libheif did not correctly handle certain memory operations. An attacker could possibly use this issue to cause a […]

Read more
Ubuntu 22.04 — nova — multiple vulnerabilities (6 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 22.04

Ubuntu 22.04 — nova — multiple vulnerabilities (6 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 April 2026 Affected versions: Ubuntu 22.04 (jammy) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-8049-1 Related CVEs: CVE-2026-24708 CVE-2024-40767 CVE-2024-32498 CVE-2023-2088 https://launchpad.net/bugs/2020111 CVE-2022-47951 Upstream summary: Dan Smith discovered that Nova incorrectly called qemu-img without a format restriction when resizing disks. An attacker could possibly […]

Read more
Ubuntu 22.04 — libyaml-syck-perl — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 22.04

Ubuntu 22.04 — libyaml-syck-perl — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 April 2026 Affected versions: Ubuntu 22.04 (jammy) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-7844-1 Related CVEs: CVE-2025-11683 Upstream summary: It was discovered that YAML::Syck did not properly handle parsing YAML files. An attacker could possibly use this issue to expose sensitive information. Table […]

Read more
Ubuntu 24.04 — zulucrypt — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 24.04

Ubuntu 24.04 — zulucrypt — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 April 2026 Affected versions: Ubuntu 24.04 (noble) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-8218-1 Related CVEs: CVE-2025-53391 Upstream summary: Aaron Rainbolt discovered that zuluCrypt used insecure PolicyKit settings in zuluPolkit. An attacker could possibly use this issue to cause local privilege escalation to […]

Read more
Ubuntu 22.04 — linux-gkeop — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 22.04

Ubuntu 22.04 — linux-gkeop — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 April 2026 Affected versions: Ubuntu 22.04 (jammy) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-8279-1 Related CVEs: CVE-2024-35862 CVE-2024-50060 CVE-2026-23274 CVE-2026-23351 CVE-2026-31419 CVE-2026-31431 CVE-2026-31504 CVE-2026-31533  +12 more Upstream summary: It was discovered that the Linux kernel algif_aead module did not properly handle in-place cryptographic […]

Read more
Ubuntu 24.04 — sed — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 24.04

Ubuntu 24.04 — sed — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 24 April 2026 Affected versions: Ubuntu 24.04 (noble) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-8229-1 Related CVEs: CVE-2026-5958 Upstream summary: Michał Majchrowicz and Marcin Wyczechowski discovered that sed incorrectly handled symbolic links when performing in-place edits. A local attacker could possibly use this issue […]

Read more
Ubuntu 16.04 — python-urllib3 — multiple vulnerabilities (10 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 16.04

Ubuntu 16.04 — python-urllib3 — multiple vulnerabilities (10 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 24 April 2026 Affected versions: Ubuntu 16.04 (xenial) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-7599-1 Related CVEs: CVE-2025-50182 CVE-2025-50181 CVE-2024-37891 CVE-2018-25091 CVE-2023-43804 CVE-2023-45803 CVE-2020-26137 CVE-2018-20060  +2 more Upstream summary: Jacob Sandum discovered that urllib3 handled redirects even when they were explicitly disabled while using […]

Read more
Ubuntu 18.04 — libxmltok — multiple vulnerabilities (19 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 18.04

Ubuntu 18.04 — libxmltok — multiple vulnerabilities (19 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 24 April 2026 Affected versions: Ubuntu 18.04 (bionic) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-8023-1 Related CVEs: CVE-2026-25210 CVE-2026-24515 CVE-2012-1148 CVE-2015-1283 CVE-2016-0718 CVE-2016-4472 CVE-2018-20843 CVE-2019-15903  +11 more Upstream summary: It was discovered that Expat, contained within the xmltok library, incorrectly handled the initialization of […]

Read more
Ubuntu 20.04 — linux-lowlatency-hwe-5.15 — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 20.04

Ubuntu 20.04 — linux-lowlatency-hwe-5.15 — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 24 April 2026 Affected versions: Ubuntu 20.04 (focal) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-8291-2 Related CVEs: CVE-2024-35862 CVE-2024-50060 CVE-2026-23274 CVE-2026-23351 CVE-2023-2640 CVE-2023-32629 CVE-2026-23112 CVE-2026-23273  +12 more Upstream summary: Several security issues were discovered in the Linux kernel. An attacker could possibly use these […]

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

Ubuntu 18.04 — erlang — multiple vulnerabilities (5 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 23 April 2026 Affected versions: Ubuntu 18.04 (bionic) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-7831-1 Related CVEs: CVE-2025-48041 CVE-2025-48038 CVE-2025-48040 CVE-2025-48039 CVE-2025-32433 Upstream summary: It was discovered that Erlang incorrectly handled resource allocation and consumption in the SFTP SSH module. An attacker could possibly […]

Read more
CHAT