CVE-2019-13104

Severity: high (CVSS 7.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.1% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2019-08-06 · updated 2026-06-17
Weakness: CWE-191

Description

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.

Affected products

u-boot: from 2016.09 through 2019.04; 2019.07, 2019.07-rc1, 2019.07-rc2, 2019.07-rc3, 2019.07-rc4
openSUSE Leap: 15.0, 15.1

References

http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00002.html
http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00004.html
https://gist.github.com/deephooloovoo/d91b81a1674b4750e662dfae93804d75
https://github.com/u-boot/u-boot/commits/master
https://lists.denx.de/pipermail/u-boot/2019-July/375514.html
http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00002.html
http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00004.html
https://gist.github.com/deephooloovoo/d91b81a1674b4750e662dfae93804d75
https://github.com/u-boot/u-boot/commits/master
https://lists.denx.de/pipermail/u-boot/2019-July/375514.html
https://cert-portal.siemens.com/productcert/html/ssa-577017.html

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