What is the CVSS score of CVE-2022-48620?

CVE-2022-48620 has a CVSS 3.1 base score of 9.8 (Critical). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H. EPSS exploitation probability: 1.1%.

Which versions of Libeuv are affected by CVE-2022-48620?

CVE-2022-48620 presents critical security risk, a buffer overflow vulnerability rated CVSS 9.8.. A patch is available.

How to fix or mitigate CVE-2022-48620?

Within 7 days: Identify all affected systems and apply vendor patches promptly. If patching is delayed, consider network segmentation to limit exposure.

Libeuv CVE-2022-48620

CRITICAL

Classic Buffer Overflow (CWE-120)

2024-01-12 cve@mitre.org

Buffer Overflow Libeuv

9.8

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

9.8 CRITICAL

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

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

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

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Lifecycle Timeline

Analysis Generated

Mar 28, 2026 - 19:34 vuln.today

Patch released

Mar 28, 2026 - 19:34 nvd

Patch available

CVE Published

Jan 12, 2024 - 04:15 nvd

CRITICAL 9.8

DescriptionCVE.org

uev (aka libuev) before 2.4.1 has a buffer overflow in epoll_wait if maxevents is a large number.

AnalysisAI

uev (aka libuev) before 2.4.1 has a buffer overflow in epoll_wait if maxevents is a large number. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. This Buffer Copy without Size Check vulnerability could allow attackers to overflow a buffer to corrupt adjacent memory.

Technical ContextAI

This vulnerability is classified as Buffer Copy without Size Check (CWE-120), which allows attackers to overflow a buffer to corrupt adjacent memory. uev (aka libuev) before 2.4.1 has a buffer overflow in epoll_wait if maxevents is a large number. Affected products include: Troglobit Libeuv. Version information: before 2.4.1.

RemediationAI

A vendor patch is available. Apply the latest security update as soon as possible. Always validate buffer sizes before copy operations. Use bounded functions (strncpy, snprintf). Enable compiler protections.