Vulnerability Details : CVE-2020-26148
Potential exploit
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 Markdown document.
Vulnerability category: Denial of service
Products affected by CVE-2020-26148
- cpe:2.3:a:md4c_project:md4c:0.4.5:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2020-26148
0.09%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 39 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2020-26148
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
5.0
|
MEDIUM | AV:N/AC:L/Au:N/C:N/I:N/A:P |
10.0
|
2.9
|
NIST | |
|
7.5
|
HIGH | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
3.9
|
3.6
|
NIST |
CWE ids for CVE-2020-26148
-
The product uses or accesses a resource that has not been initialized.Assigned by: nvd@nist.gov (Primary)
References for CVE-2020-26148
-
https://github.com/mity/md4c/issues/130
Use of uninitialized value in the md_push_block_bytes() function · Issue #130 · mity/md4c · GitHubExploit;Patch;Third Party Advisory
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