Ubuntu 22.04

Ubuntu 22.04 — policykit-1 — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 22.04

Ubuntu 22.04 — policykit-1 — 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-8173-1 Related CVEs: CVE-2025-7519 CVE-2026-4897 Upstream summary: It was discovered that polkit incorrectly handled nested elements in XML policy files. If an administrator were tricked into installing a malicious policy […]

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Ubuntu 22.04 — grub2-signed — multiple vulnerabilities (13 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 22.04

Ubuntu 22.04 — grub2-signed — multiple vulnerabilities (13 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-6410-1 Related CVEs: CVE-2023-4692 CVE-2023-4693 CVE-2022-28737 CVE-2021-3695 CVE-2021-3696 CVE-2021-3697 CVE-2021-3981 CVE-2022-28733  +5 more Upstream summary: It was discovered that a specially crafted file system image could cause a heap-based out-of-bounds […]

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Ubuntu 22.04 — xdg-dbus-proxy — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 22.04

Ubuntu 22.04 — xdg-dbus-proxy — 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-8167-1 Related CVEs: CVE-2026-34080 Upstream summary: It was discovered that xdg-dbus-proxy incorrectly handled eavesdropping in policy rules. A local attacker could possibly use this issue to intercept certain D-Bus messages. […]

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Ubuntu 22.04 — node-follow-redirects — multiple vulnerabilities (4 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 22.04

Ubuntu 22.04 — node-follow-redirects — multiple vulnerabilities (4 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-8217-1 Related CVEs: CVE-2022-0155 CVE-2022-0536 CVE-2023-26159 CVE-2024-28849 Upstream summary: It was discovered that follow-redirects did not properly protect sensitive user information during redirects. An attacker could possibly use this issue […]

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Ubuntu 22.04 — lua-bitop — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 22.04

Ubuntu 22.04 — lua-bitop — multiple vulnerabilities (3 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-8169-1 Related CVEs: CVE-2025-49844 CVE-2022-24834 CVE-2024-31449 Upstream summary: It was discovered that Redis incorrectly handled certain specially crafted Lua scripts. A remote attacker could possibly use this issue to cause […]

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

Ubuntu 22.04 — systemd — 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-8119-1 Related CVEs: CVE-2026-29111 CVE-2025-4598 CVE-2022-3821 CVE-2022-4415 CVE-2022-45873 Upstream summary: It was discovered that systemd incorrectly handled certain cgroup paths. A local attacker could possibly use this issue to cause […]

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Ubuntu 22.04 — sudo — multiple vulnerabilities (8 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 22.04

Ubuntu 22.04 — sudo — multiple vulnerabilities (8 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-8092-1 Related CVEs: https://launchpad.net/bugs/2143042 CVE-2025-32462 CVE-2025-32463 CVE-2023-28486 CVE-2023-28487 CVE-2023-27320 CVE-2022-33070 CVE-2023-22809 Upstream summary: It was discovered that Sudo incorrectly checked return codes when dropping privileges to run the mailer. A […]

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Ubuntu 22.04 — python-multipart — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 22.04

Ubuntu 22.04 — python-multipart — multiple vulnerabilities (3 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-8027-1 Related CVEs: CVE-2026-24486 CVE-2024-53981 CVE-2024-24762 Upstream summary: It was discovered that Python-Multipart incorrectly handled certain regular expressions. An attacker could possibly use this issue to cause Python-Multipart to consume […]

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Ubuntu 22.04 — screen — multiple vulnerabilities (4 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 22.04

Ubuntu 22.04 — screen — multiple vulnerabilities (4 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-7978-1 Related CVEs: CVE-2025-46802 CVE-2025-46804 CVE-2025-46805 CVE-2023-24626 Upstream summary: It was discovered that GNU Screen incorrectly handled signals when setuid or setgid privileges were being used, which is not the […]

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Ubuntu 22.04 — gnupg2 — multiple vulnerabilities (4 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 22.04

Ubuntu 22.04 — gnupg2 — multiple vulnerabilities (4 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-7946-1 Related CVEs: CVE-2025-68973 https://launchpad.net/bugs/2114775 CVE-2025-30258 CVE-2022-34903 Upstream summary: It was discovered that GnuPG incorrectly handled crafted input. A remote attacker could possibly use this issue to crash the program, […]

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