CVE-2019-5188

MEDIUM
6.7
CVSS Score
Published: January 8, 2020 at 03:45 PM UTC
Updated: October 14, 2026 at 07:16 AM UTC
7 products affected across 6 vendorsDebian LinuxFedoraUbuntu Linux· also runs on 1 platform

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Severity
MEDIUM6.7
Exploit prediction
EPSS 1%
SSVC
No known exploit

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

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Runs on — not affected

The affected product only carries this flaw when running on these platforms. The platforms themselves are not vulnerable.

SSVC — Action Prioritization

SSVCNo known exploitNot automatableTotal impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

Attack Vector
LOCAL
Complexity
LOW
Privileges
HIGH
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-787

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