Buffer overflow in Denx U-boot

CVE-2019-13104

In Das U-Boot versions 2016.11-rc1 through 2019.07-rc4, an underflow can cause memcpy() to overwrite a very large amount of data (including the whole stack) while reading a crafted ext4 filesystem.

EPSS: 0.002 (48.4th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2019-13104?
CVE-2019-13104 is a high-severity vulnerability in Denx U-boot, classified under Integer Underflow. CVSS score: 7.8/10. Published 2019-08-06.
How severe is CVE-2019-13104?
High severity. CVSS v3 base score is 7.8 out of 10.
Is CVE-2019-13104 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.