PatchTheCVEbarebox vulnerabilities and fixes
Recent CVEs affecting barebox, with upgrade or downgrade steps. 4 tracked.
barebox has 4 tracked vulnerabilities, 0 critical. A fixed release or vendor patch exists for 4. Most recent: 2026-05-11. Highest priority: CVE-2026-34963 (score 31/100).
- CVE-2026-34963 HIGH 8.4 UPGRADE barebox version prior to 2026.04.0 contains multiple memory-safety vulnerabilities in the EFI PE loader in efi
- CVE-2026-34962 MEDIUM 6.2 UPGRADE barebox version prior to 2026.04.0 contains a denial-of-service vulnerability in ext4 directory parsing in fs/
- CVE-2026-34961 MEDIUM 6.2 UPGRADE barebox prior to version 2026.04.0 contains out-of-bounds read vulnerabilities in ext4 extent parsing due to m
- CVE-2026-34960 MEDIUM 6.5 UPGRADE barebox prior to version 2026.04.0 contains an out-of-bounds read vulnerability in DHCP option parsing within
FAQ
How do I fix barebox 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 barebox being exploited right now?
None of the tracked barebox CVEs are on the CISA Known Exploited Vulnerabilities list at the moment. This is checked every 20 minutes.
Which barebox CVE should I patch first?
CVE-2026-34963 currently ranks highest (31/100): barebox version prior to 2026.04.0 contains multiple memory-safety vulnerabilities in the EFI PE loader in efi.