Buffer overflow in E2fsprogs_project E2fsprogs

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 corru…

Vulnerability class: Buffer Overflow

EPSS: 0.010 (59.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2019-5188?
CVE-2019-5188 is a high-severity vulnerability in E2fsprogs_project E2fsprogs, classified under Out-of-bounds Write. CVSS score: 7.5/10. Published 2020-01-08.
How severe is CVE-2019-5188?
High severity. CVSS v3 base score is 7.5 out of 10.
Is CVE-2019-5188 known to be exploited?
2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.