CVE-2018-11503
5.5
MEDIUM
CVSS 3.1
EPSS 0.54%
Description
The isfootnote function in markdown.c in libmarkdown.a in DISCOUNT 2.2.3a allows remote attackers to cause a denial of service (heap-based buffer over-read) via a crafted file, as demonstrated by mkd2html.
How to fix CVE-2018-11503
To remediate CVE-2018-11503, upgrade the affected package to a fixed version below.
- Debian/discount—upgrade to 2.2.4-1 or later
Is CVE-2018-11503 being exploited?
Low — EPSS is 0.5%, meaning exploitation activity has not been observed at scale.
Affected packages (1)
- from 0, < 2.2.4-1
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | MEDIUM5.5 | CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H |