CVE-2018-12102
md4c 0.2.6 has a NULL pointer dereference in the function md_process_line in md4c.c, related to...
md4c 0.2.6 has a NULL pointer dereference in the function md_process_line in md4c.c, related to ctx->current_block.
Attack profile
How easy it is to exploit
- Attack vector
- Local
- Complexity
- Low
- Privileges needed
- None
- User interaction
- Required
What an attacker can affect
- Confidentiality
- None
- Integrity
- None
- Availability
- High
Exploit likelihood
What each source reports
NVD Score used
md4c 0.2.6 has a NULL pointer dereference in the function md_process_line in md4c.c, related to ctx->current_block.
- Record
CVE-2018-12102- CVSS 3.0
- 5.5 Medium
CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H - CVSS 2.0
- 4.3 Medium
AV:N/AC:M/Au:N/C:N/I:N/A:P - Weakness
- CWE-476
- Updated
- 2026-11-02
CVE List No score
md4c 0.2.6 has a NULL pointer dereference in the function md_process_line in md4c.c, related to ctx->current_block.
- Record
CVE-2018-12102- Updated
- 2026-11-02
EUVDEUVD-2018-4081 No score
md4c 0.2.6 has a NULL pointer dereference in the function md_process_line in md4c.c, related to ctx->current_block.
- Record
EUVD-2018-4081- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-3c3h-v674-rhqr
md4c 0.2.6 has a NULL pointer dereference in the function md_process_line in md4c.c, related to...
md4c 0.2.6 has a NULL pointer dereference in the function md_process_line in md4c.c, related to ctx->current_block.
- Record
GHSA-3c3h-v674-rhqr- CVSS 3.0
- 5.5 Medium
CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H - Weakness
- CWE-476
- Updated
- 2026-11-02
OSV
md4c 0.2.6 has a NULL pointer dereference in the function md_process_line in md4c.c, related to ctx->current_block.
- Record
CVE-2018-12102- CVSS 3.0
- 5.5 Medium
CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H - Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2018-12102 is a medium vulnerability (CVSS 5.5) in Md4c Project Md4c, published June 11, 2018. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.83%, the 57th percentile. No source names a fixed version.