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Vulnerabilities

Vulnerability · CVE-2019-5188

A code execution vulnerability exists in the directory rehashing functionality of E2fsprogs e2fsck 1.45.4.

Published Jan 8, 2020 · catalog updated Oct 14, 2026 · e2fsprogs project

Check if you run it

No confirmed exploitation is on record for CVE-2019-5188. EPSS is 1.08%. Act only if a listed version of e2fsprogs project is installed.

Gaps on this record

  • No vendor fix or required action is stored. Compare the linked advisory before you change production.
Severity
Medium6.7
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
1.08%
Remediation
Advisory link
Affected products
cpe canonical/ubuntu linux · cpe debian/debian linux · cpe e2fsprogs project/e2fsprogs · cpe fedoraproject/fedora · cpe netapp/hci compute node firmware · cpe netapp/solidfire, enterprise sds & hci storage node

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.

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • cpe canonical/ubuntu linux12.04
  • cpe canonical/ubuntu linux14.04
  • cpe canonical/ubuntu linux16.04
  • cpe debian/debian linux8.0
  • cpe debian/debian linux9.0
  • cpe e2fsprogs project/e2fsprogsversion unspecified
  • cpe fedoraproject/fedora30
  • cpe fedoraproject/fedora31
  • cpe netapp/hci compute node firmwareversion unspecified
  • cpe netapp/solidfire, enterprise sds & hci storage nodeversion unspecified
  • cpe opensuse/leap15.1

How to fix CVE-2019-5188

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

No confirmed exploitation is on record for CVE-2019-5188. EPSS is 1.08%. Act only if a listed version of e2fsprogs project is installed.

Which versions are affected?

Compare what you have installed with canonical/ubuntu linux 12.04; canonical/ubuntu linux 14.04; canonical/ubuntu linux 16.04; debian/debian linux 8.0. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

CWE-787: Out-of-bounds Write. EPSS 1.08%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

  1. Jan 8, 2020 · NIST NVD

    Detected

    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.

  2. Oct 14, 2026 · NIST NVD

    Updated

    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.

Sources

  • CVE.orgVulnerability recordCVE-2019-5188

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2019-5188

    30-day exploitation probability 1.1%

    first.org
  • NIST NVDVulnerability recordCVE-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 vulnerabil

    nvd.nist.gov

References

Freshness

Last verified in this catalog Oct 16, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.