CVE-2019-5188

Severity: medium (CVSS 6.7 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: yes
Published: 2020-01-08 · updated 2026-10-14
Weakness: CWE-787

Description

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.

Affected products

Canonical Ubuntu Linux: 12.04, 14.04, 16.04, 18.04, 19.04, 19.10
Debian Linux: 8.0, 9.0
E2Fsprogs Project E2Fsprogs: from 1.43.3 through 1.45.4
Fedoraproject Fedora: 30, 31
NetApp Hci Compute Node Firmware: all versions
NetApp Solidfire, Enterprise Sds & Hci Storage Node: all versions
openSUSE Leap: 15.1

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/
https://security.netapp.com/advisory/ntap-20220506-0001/
https://talosintelligence.com/vulnerability_reports/TALOS-2019-0973
https://usn.ubuntu.com/4249-1/
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/

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