CVE-2018-11498

HIGH

Lizard v1.0 and LZ5 v2.0 - Remote Code Execution via Unchecked Buffer in Lizard_decompress_LIZv1

Title source: llm

Description

In Lizard v1.0 and LZ5 v2.0 (the prior release, before the product was renamed), there is an unchecked buffer size during a memcpy in the Lizard_decompress_LIZv1 function (lib/lizard_decompress_liz.h). Remote attackers can leverage this vulnerability to cause a denial of service via a crafted input file, as well as achieve remote code execution.

References (1)

Core 1

Core References

Third Party Advisory x_refsource_misc

https://github.com/inikep/lizard/issues/16

Scores

CVSS v3 7.8

EPSS 0.0201

EPSS Percentile 78.5%

Attack Vector LOCAL

CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Details

CWE

CWE-119

Status published

Products (2)

lizard_project/lizard 1.0

lizard_project/lz5 2.0

Published May 26, 2018

Tracked Since Feb 18, 2026