CVE-2018-11498

7.8 highEPSS 2.0%

High (7.8) in lizard project. EPSS 2.0% chance of exploitation in the next 30 days.

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.

Severity

CVSS 3.0

7.8 high

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

EPSS: 2.0% chance of exploitation in the next 30 days; higher than 80% of CVEs (scores of 2026-10-31)
CWE: CWE-119
Published: 2018-05-26
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

lizard_project:lizard
lizard_project:lz5

References

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

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