Md4c
Vendor:
First CVE: May 29, 2018 · Active for 8 years
8
Total CVEs
More Total CVEs than 87% of tracked products
2.7
Avg CVEs / Year
Higher CVE frequency than 78% of tracked products
8.2
Avg CVSS
Higher Avg CVSS than 74% of tracked products
0.0%
KEV Rate
Bottom 1%
Trends Over Time
The number and severity of CVEs published that impact Md4c over time
Volume of CVEsAvg CVSS Base Score
First CVE
May 29, 2018
8 years ago
Most Recent CVE
Apr 29, 2021
1,915 days ago
CVE Severity & Scoring
Md4c8 CVEs
25%
25%
50%
All CVEs352,785 CVEs
45%
40%
11%
MediumHighCritical
Attack Vector
Local3 (37.5%)
Network5 (62.5%)
Unknown0 (0.0%)
Physical0 (0.0%)
Adjacent Network0 (0.0%)
Attack Complexity
Low8 (100.0%)
High0 (0.0%)
Unknown0 (0.0%)
User Interaction
None5 (62.5%)
Unknown0 (0.0%)
Required3 (37.5%)
Privileges Required
Low0 (0.0%)
High0 (0.0%)
None8 (100.0%)
Unknown0 (0.0%)
Top CVEs
Signals from CVEs in this product scope (8 CVEs).
8 CVEs · Highest risk first
| CVE | Published | CVSS | Risk | KEV | Exploit |
|---|---|---|---|---|---|
CVE-2018-11547CRITICAL md_is_link_reference_definition_helper in md4c 0.2.5 has a heap-based buffer over-read because md_is_link_label mishandles loop termination. | May 29, 2018 | 9.8 | 31 | NO | NO |
CVE-2018-11546CRITICAL md4c 0.2.5 has a heap-based buffer over-read because md_is_named_entity_contents has an off-by-one error. | May 29, 2018 | 9.8 | 29 | NO | NO |
CVE-2018-11545CRITICAL md4c 0.2.5 has a heap-based buffer overflow in md_merge_lines because md_is_link_label mishandles the case of a link label composed solely of backslash escapes. | May 29, 2018 | 9.8 | 28 | NO | NO |
CVE-2018-11536CRITICAL md4c before 0.2.5 has a heap-based buffer overflow because md_split_simple_pairing_mark mishandles splits. | May 29, 2018 | 9.8 | 28 | NO | NO |
CVE-2020-26148HIGH md_push_block_bytes in md4c.c in md4c 0.4.5 allows attackers to trigger use of uninitialized memory, and cause a denial of service (e.g., assertion failure) via a malformed Markdow | Sep 30, 2020 | 7.5 | 23 | NO | NO |
CVE-2018-12112HIGH md_build_attribute in md4c.c in md4c 0.2.6 allows remote attackers to cause a denial of service (Segmentation fault and application crash) or possibly have unspecified other impact | Jun 11, 2018 | 7.8 | 23 | NO | NO |
CVE-2021-30027MEDIUM md_analyze_line in md4c.c in md4c 0.4.7 allows attackers to trigger use of uninitialized memory, and cause a denial of service via a malformed Markdown document. | Apr 29, 2021 | 5.5 | 19 | NO | NO |
CVE-2018-12102MEDIUM md4c 0.2.6 has a NULL pointer dereference in the function md_process_line in md4c.c, related to ctx->current_block. | Jun 11, 2018 | 5.5 | 18 | NO | NO |
Exploit Exposure
Signals from CVEs in this product scope (8 CVEs).
CISA KEV
0 CVEs
0.0% of CVEs· Bottom 1%
Metasploit
0 CVEs
0.0% of CVEs· Bottom 1%
Nuclei
0 CVEs
0.0% of CVEs· Bottom 1%
ExploitDB
0 CVEs
0.0% of CVEs· Bottom 1%
Social Chatter
Signals from CVEs in this product scope (8 CVEs).
Media Mentions
Signals from CVEs in this product scope (8 CVEs).
Top CNAs Publishing CVEs For Md4c
Top CWEs
Versions
| Version | CVE Count | Avg CVSS | Avg EPSS | KEV | Exploits |
|---|---|---|---|---|---|
| 0.4.7 | 1 | 5.5 | 0.7% | 0 | 0 |
| 0.4.5 | 1 | 7.5 | 1.4% | 0 | 0 |
| 0.2.6 | 2 | 6.7 | 1.1% | 0 | 0 |
| 0.2.5 | 3 | 9.8 | 1.6% | 0 | 0 |