CVE-2020-18900 - Vulnerability Details - OpenCVE

Description

A heap-based buffer overflow in the libexe_io_handle_read_coff_optional_header function of libyal libexe before 20181128. NOTE: the vendor has disputed this as described in libyal/libexe issue 1 on GitHub

Published: 2021-08-19

Score: 3.3 Low

EPSS: < 1% Very Low

KEV: No

Impact:

Action:

Analysis

Analysis and contextual insights are available on OpenCVE Cloud.

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions

n/a

n/a

affected

Version	Status	Constraints
`n/a`	affected	—

Configuration 1 [-]

cpe:2.3:a:libexe_project:libexe:*:*:*:*:*:*:*:*

No data.

No data available yet.

Remediation

No vendor fix or workaround currently provided.

Additional remediation guidance may be available on OpenCVE Cloud.

Tracking

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Advisories

No advisories yet.

No CVSS v4.0

Attack Vector Local

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact None

Integrity Impact None

Availability Impact Low

User Interaction Required

No CVSS v3.0

Access Vector Local

Access Complexity Medium

Authentication None

Confidentiality Impact None

Integrity Impact None

Availability Impact Partial

This CVE is not in the KEV list.

The EPSS score is 0.00053.

Exploitation poc

Automatable no

Technical Impact partial

References

Link	Providers
https://github.com/libyal/libexe/issues/1

History

Tue, 24 Feb 2026 21:15:00 +0000

Type	Values Removed	Values Added
Metrics		ssvc `{'options': {'Automatable': 'no', 'Exploitation': 'poc', 'Technical Impact': 'partial'}, 'version': '2.0.3'}`

Subscriptions

Libexe Project Libexe

MITRE

Status: PUBLISHED

Assigner: mitre

Published: 2021-08-19T21:20:38.000Z

Updated: 2024-08-04T14:08:30.582Z

Reserved: 2020-08-13T00:00:00.000Z

Link: CVE-2020-18900

Vulnrichment

Updated: 2024-08-04T14:08:30.582Z

NVD

Status : Modified

Published: 2021-08-19T22:15:07.373

Modified: 2024-11-21T05:08:51.817

Link: CVE-2020-18900

Redhat

No data.

OpenCVE Enrichment

No data.

Weaknesses

CWE-787

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