What is the CVSS score of CVE-2020-11866?

CVE-2020-11866 has a CVSS 3.1 base score of 7.8 (High). CVSS vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H. EPSS exploitation probability: 1.3%.

Is there a patch available for CVE-2020-11866?

Yes, a patch is available for CVE-2020-11866. Update the affected software to the latest version immediately.

Libemf CVE-2020-11866

HIGH

Use After Free (CWE-416)

2020-05-11 cve@mitre.org

Use After Free Memory Corruption Information Disclosure Libemf Fedora Leap

7.8

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

7.8 HIGH

AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Attack Vector

Local

Attack Complexity

Low

Privileges Required

None

User Interaction

Required

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Lifecycle Timeline

CVE Published

May 11, 2020 - 16:15 nvd

HIGH 7.8

DescriptionNVD

libEMF (aka ECMA-234 Metafile Library) through 1.0.11 allows a use-after-free.

AnalysisAI

libEMF (aka ECMA-234 Metafile Library) through 1.0.11 allows a use-after-free. Rated high severity (CVSS 7.8), this vulnerability is no authentication required, low attack complexity. This Use After Free vulnerability could allow attackers to access freed memory to execute arbitrary code or crash the application.

Technical ContextAI

This vulnerability is classified as Use After Free (CWE-416), which allows attackers to access freed memory to execute arbitrary code or crash the application. libEMF (aka ECMA-234 Metafile Library) through 1.0.11 allows a use-after-free. Affected products include: Libemf Project Libemf, Fedoraproject Fedora, Opensuse Leap. Version information: through 1.0.11.

RemediationAI

A vendor patch is available. Apply the latest security update as soon as possible. Use smart pointers or garbage-collected languages. Set pointers to NULL after freeing. Enable memory sanitizers.