MEDIUM
md4c 0.2.6 has a NULL pointer dereference in the function md_process_line in md4c.c, related to ctx->current_block
Published Jun 11, 2018
5.5
MEDIUMCVSS 3.0
EPSS 0.85%
Description
md4c 0.2.6 has a NULL pointer dereference in the function md_process_line in md4c.c, related to ctx->current_block.
Affected products
No data.
- 0.2.6
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.
5.5 MEDIUM NVD
CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Attack Vector Local
Attack Complexity Low
Privileges Required None
User Interaction Required
Scope Unchanged
Confidentiality Impact None
Integrity Impact None
Availability Impact High
4.3 MEDIUM NVD
AV:N/AC:M/Au:N/C:N/I:N/A:P
Access Vector Network
Access Complexity Medium
Authentication None
Confidentiality Impact None
Integrity Impact None
Availability Impact Partial
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
0.85% 0.00847
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
EPSS probability 0.00847
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 (9 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 0.85% (0.00847) | 56.55th | v5 (v2026.06.15) |
| Sep 20, 2026 | 0.85% (0.00847) | 56.52th | v5 (v2026.06.15) |
| Jul 20, 2024 | 0.06% (0.00061) | 26.70th | v3 (v2023.03.01) |
| Jun 10, 2024 | 0.06% (0.00061) | 26.04th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.06% (0.00061) | 24.03th | 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 | 0.62% (0.00624) | 17.80th | v5 (v2026.06.15) |
| Apr 14, 2021 | 0.62% (0.00624) | 0.00th | v1 |
Weaknesses (1)
References (2)
- https://github.com/Edward-L/fuzzing-pocs/tree/master/md4c x_refsource_MISCIssue TrackingThird Party Advisory
- https://github.com/mity/md4c/issues/41 x_refsource_MISCIssue TrackingThird Party Advisory
| Link | Providers | Tags |
|---|---|---|
| https://github.com/Edward-L/fuzzing-pocs/tree/master/md4c | x_refsource_MISCIssue TrackingThird Party Advisory | |
| https://github.com/mity/md4c/issues/41 | x_refsource_MISCIssue TrackingThird Party Advisory |
Change history (0)
No recorded changes yet.
Sources
CVE.org / MITRE
Status PUBLISHED
Assigner mitre
Published Jun 11, 2018
Updated Aug 5, 2024
Reserved Jun 11, 2018
Link CVE-2018-12102
CISA Vulnrichment
Updated n/a