What is CVE-2018-11498?

CVE-2018-11498 is a high-severity vulnerability in Lizard Project, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 7.8/10. Published 2018-05-26.

How severe is CVE-2018-11498?

High severity. CVSS v3 base score is 7.8 out of 10.

Buffer overflow in Lizard Project

CVE-2018-11498

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.

Vulnerability class: Buffer Overflow

EPSS: 0.020 (78.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

Affected products

Lizard_project Lizard — versions 1.0
Lizard_project Lz5 — versions 2.0
N/a — versions n/a

Weakness classification (CWE)

CWE-119 — Improper Restriction of Operations within the Bounds of a Memory Buffer

References

cve@mitre.org (Third Party Advisory, x_refsource_MISC)

Frequently asked questions

What is CVE-2018-11498?: CVE-2018-11498 is a high-severity vulnerability in Lizard Project, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 7.8/10. Published 2018-05-26.
How severe is CVE-2018-11498?: High severity. CVSS v3 base score is 7.8 out of 10.