Ubuntu vulnerabilities and fixes

CVEs that mention Ubuntu, ranked by priority. 3 tracked.

Ubuntu has 3 tracked vulnerabilities, 0 critical. A fixed release or vendor patch exists for 1. Most recent: 2026-08-06. Highest priority: CVE-2023-30549 (score 37/100).

• CVE-2023-30549 HIGH 7.1 UPGRADE MITIGATE Apptainer is an open source container platform for Linux
• CVE-2026-12565 MEDIUM 5.3 The unarchive internal module's archive extraction commands perform no code-level validation on extracted file
• CVE-2026-41861 MEDIUM 4.2 Path Traversal in BOSH-Ecosystem / BOSH allows an IaaS-metadata attacker to make the agent write a root-owned

FAQ

How do I fix Ubuntu vulnerabilities?

Open the CVE for your version, check the affected range, then follow the listed action: upgrade to the fixed release, or downgrade or mitigate if no fix exists yet. Commands for each OS are shown on every CVE page.

Is Ubuntu being exploited right now?

None of the tracked Ubuntu CVEs are on the CISA Known Exploited Vulnerabilities list at the moment. This is checked every 20 minutes.

Which Ubuntu CVE should I patch first?

CVE-2023-30549 currently ranks highest (37/100): Apptainer is an open source container platform for Linux.

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