HIGH
There is a heap-based buffer overflow at fromsixel.c (function: image_buffer_resize) in libsixel 1.8.2 that will cause a denial of service or possibly unspecified other impact
Published Nov 30, 2018
7.8
HIGHCVSS 3.0
EPSS 0.82%
Description
There is a heap-based buffer overflow at fromsixel.c (function: image_buffer_resize) in libsixel 1.8.2 that will cause a denial of service or possibly unspecified other impact.
Affected products
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
7.8 HIGH NVD
CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Attack Vector Local
Attack Complexity Low
Privileges Required None
User Interaction Required
Scope Unchanged
Confidentiality Impact High
Integrity Impact High
Availability Impact High
6.8 MEDIUM NVD
AV:N/AC:M/Au:N/C:P/I:P/A:P
Access Vector Network
Access Complexity Medium
Authentication None
Confidentiality Impact Partial
Integrity Impact Partial
Availability Impact Partial
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
0.82% 0.00817
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 4, 2026.
EPSS probability 0.00817
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 (11 key points)
Flat stretches are collapsed. Showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 4, 2026 | 0.82% (0.00817) | 55.65th | v5 (v2026.06.15) |
| Sep 20, 2026 | 0.82% (0.00817) | 55.59th | v5 (v2026.06.15) |
| Jul 20, 2024 | 0.08% (0.00081) | 35.12th | v3 (v2023.03.01) |
| Apr 25, 2024 | 0.08% (0.00081) | 33.72th | v3 (v2023.03.01) |
| Mar 15, 2024 | 0.07% (0.00072) | 29.19th | v3 (v2023.03.01) |
| Feb 8, 2024 | 0.07% (0.00066) | 26.53th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.12% (0.00120) | 44.52th | 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 |
Weaknesses (1)
References (1)
- https://bugzilla.redhat.com/show_bug.cgi?id=1649199 x_refsource_MISCExploitIssue TrackingThird Party Advisory
| Link | Providers | Tags |
|---|---|---|
| https://bugzilla.redhat.com/show_bug.cgi?id=1649199 | x_refsource_MISCExploitIssue TrackingThird Party Advisory |
Change history (0)
No recorded changes yet.
Sources
CVE.org / MITRE
Status PUBLISHED
Assigner mitre
Published Nov 30, 2018
Updated Sep 16, 2024
Reserved Nov 29, 2018
Link CVE-2018-19762
CISA Vulnrichment
Updated n/a