Vulnerability · Published Sep 29, 2020 · Assigned by mitre
CVE-2020-26148
High 7.5
In plain English
A high-severity security flaw in the md4c package (Debian). There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.4% (higher than 73% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS NVD)7.5High
Exploit odds (30 days)1.4%top 27.0% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official description
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.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian:12 | md4c | 0.4.5-2 | DEBIAN-CVE-2020-26148 |
| Debian:13 | md4c | 0.4.5-2 | DEBIAN-CVE-2020-26148 |
| Debian:14 | md4c | 0.4.5-2 | DEBIAN-CVE-2020-26148 |
Affected products (as reported)
References
- https://github.com/mity/md4c/issues/130 x_refsource_MISC