CVE-2019-5188

A code execution vulnerability exists in the directory rehashing functionality of E2fsprogs e2fsck 1.45.4. A specially crafted ext4 directory can cause an out-of-bounds write on the stack, resulting in code execution. An attacker can corrupt a partition to trigger this vulnerability.

CVSS 3.1

6.7CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

EPSS

1.1% chance of exploitation in the next 30 days; higher than 64% of CVEs (scores of 2026-10-25)

CWE

CWE-787

Published

2020-01-08

Modified

2026-10-14

Record from

the NVD, synced 2026-10-19

Affected

• canonical:ubuntu_linux
• debian:debian_linux
• e2fsprogs_project:e2fsprogs
• fedoraproject:fedora
• netapp:hci_compute_node_firmware
• netapp:solidfire\,_enterprise_sds_\&_hci_storage_node
• opensuse:leap

References

• http://lists.opensuse.org/opensuse-security-announce/2020-02/msg00004.html
• https://lists.debian.org/debian-lts-announce/2020/03/msg00030.html
• https://lists.debian.org/debian-lts-announce/2020/07/msg00021.html
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/2AKETJ6BREDUHRWQTV35SPGG5C6H7KSI/
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/6DOBCYQKCTTWXBLMUPJ5TX3FY7JNCOKY/

Check your stackJSON