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)
Published May 26, 2018
7.8
HIGHCVSS 3.0
EPSS 1.98%
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.
Affected products
No data.
- 1.0
- 2.0
No data.
No Red Hat product state for this CVE.
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
AV:N/AC:M/Au:N/C:P/I:P/A:P
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 2, 2026.
Score over time
2021–2026- EPSS v1
- EPSS v5
- EPSS v2
- EPSS v3
- EPSS v4
Percentile over time
- EPSS v1
- EPSS v5
- EPSS v2
- EPSS v3
- EPSS v4
Table of values (12 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 2, 2026 | 1.98% (0.01982) | 79.83th | v5 (v2026.06.15) |
| Jun 15, 2026 | 2.01% (0.02013) | 78.28th | v5 (v2026.06.15) |
| Dec 3, 2025 | 2.51% (0.02511) | 84.94th | v4 (v2025.03.14) |
| Jul 20, 2024 | 0.35% (0.00347) | 71.97th | v3 (v2023.03.01) |
| Jun 10, 2024 | 0.35% (0.00347) | 71.71th | v3 (v2023.03.01) |
| May 5, 2024 | 0.26% (0.00255) | 65.16th | v3 (v2023.03.01) |
| Apr 4, 2024 | 0.22% (0.00216) | 59.03th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.18% (0.00176) | 52.98th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.21% (0.01208) | 61.88th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.10% (0.01103) | 28.56th | v2 (v2022.01.01) |
| Feb 3, 2022 | 1.14% (0.01142) | 29.57th | v5 (v2026.06.15) |
| Apr 14, 2021 | 1.14% (0.01142) | 0.00th | v1 |
References (1)
- https://github.com/inikep/lizard/issues/16 x_refsource_MISCThird Party Advisory
| Link | Providers | Tags |
|---|---|---|
| https://github.com/inikep/lizard/issues/16 | x_refsource_MISCThird Party Advisory |
Change history (0)
No recorded changes yet.