In Lizard (formerly LZ5) 2.0, use of an invalid memory address was discovered in LZ5_compress_continue in lz5_compress.c, related to LZ5_compress_fastSmall and MEM_read32
Published Sep 13, 2018
7.5
HIGHCVSS 3.0
EPSS 1.48%
Description
In Lizard (formerly LZ5) 2.0, use of an invalid memory address was discovered in LZ5_compress_continue in lz5_compress.c, related to LZ5_compress_fastSmall and MEM_read32. The vulnerability causes a segmentation fault and application crash, which leads to denial of service.
Affected products
No data.
- 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:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
AV:N/AC:L/Au:N/C:N/I:N/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 1, 2026.
Score over time
2021–2026- EPSS v1
- EPSS v5
- EPSS v2
- EPSS v3
Percentile over time
- EPSS v1
- EPSS v5
- EPSS v2
- EPSS v3
Table of values (10 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 1.48% (0.01480) | 72.97th | v5 (v2026.06.15) |
| Sep 20, 2026 | 1.48% (0.01480) | 72.76th | v5 (v2026.06.15) |
| Jul 20, 2024 | 0.11% (0.00107) | 43.92th | v3 (v2023.03.01) |
| May 2, 2024 | 0.10% (0.00105) | 42.13th | v3 (v2023.03.01) |
| Sep 3, 2023 | 0.10% (0.00098) | 40.18th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.12% (0.00119) | 44.35th | v3 (v2023.03.01) |
| Mar 6, 2023 | 0.89% (0.00885) | 27.89th | v2 (v2022.01.01) |
| Feb 4, 2022 | 0.89% (0.00885) | 10.50th | v2 (v2022.01.01) |
| Feb 3, 2022 | 0.52% (0.00518) | 11.68th | v5 (v2026.06.15) |
| Apr 14, 2021 | 0.52% (0.00518) | 0.00th | v1 |
References (1)
- https://github.com/inikep/lizard/issues/18 x_refsource_MISCExploitVendor Advisory
| Link | Providers | Tags |
|---|---|---|
| https://github.com/inikep/lizard/issues/18 | x_refsource_MISCExploitVendor Advisory |
Change history (0)
No recorded changes yet.