01 Record
CVE-2026-34962
barebox ext4 Directory Parsing Infinite Loop Denial of Service
MediumPUBLISHEDCNA: VulnCheck
CNA base score6.9 CVSS v4.0CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
02 Description
barebox ext4 Directory Parsing Infinite Loop Denial of Service
03 Exploitation and scoring
- Exploitation
- Assessed, none found. CISA's assessment recorded neither public exploit code nor evidence of exploitation when it was made.
- SSVC decision
- ExploitationnoneCISA recorded no public exploit code and no evidence of exploitation.
- AutomatablenoAt least one step from reconnaissance to exploitation cannot be reliably automated.
- Technical ImpactpartialSuccessful exploitation gives limited control of the vulnerable component.
- EPSS probability
- 0.12% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 2.5% of scored records. A rank, not a probability.
- NVD base score
- 6.9 (CVSS v4.0), scored by the NVD independently of the CNA.
- NVD CVSS vector
- CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
- NVD analysis status
- Modified. NVD last modified this record on 2026-07-18.
- Red Hat severity
- No Red Hat rating. Red Hat rates the CVEs that affect its products.
Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.
04 Metadata
- Published
- 2026-05-11 21:58Z5 MO AGO
- Last updated
- 2026-07-18 03:02Z3 MO AGO
- Reserved
- 2026-03-31
- Assigning CNA
- VulnCheck
- Record state
- PUBLISHED
- Severity
- Medium (CVSS 6.9)
- CNA CVSS vector
- CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
- Weaknesses
- CWE-835Loop with Unreachable Exit Condition ('Infinite Loop')Base
- Data version
- 5.2
- Document digest
- e17c0d576dec222e5f56e1730ce9576c959716bed356c788dad0769c95723271
05 Affected products
VendorProductVersionsPlatforms
06 References
- github.comhttps://github.com/barebox/barebox
- github.comhttps://github.com/barebox/barebox/releases/tag/v2026.04.0
- www.vulncheck.comhttps://www.vulncheck.com/advisories/barebox-ext4-directory-parsing-infinite-loop-denial-of-service
- y637f9qq2x.comBlog Posthttps://y637f9qq2x.com/posts/barebox-sandbox-vulns/