CVE-2021-40648
5.5
MEDIUM
CVSS 3.1
EPSS 0.31%
Description
In man2html 1.6g, a filename can be created to overwrite the previous size parameter of the next chunk and the fd, bk, fd_nextsize, bk_nextsize of the current chunk. The next chunk is then freed later on, causing a freeing of an arbitrary amount of memory.
How to fix CVE-2021-40648
No fixed version has been published yet. Mitigate by removing the affected package or applying upstream guidance from the references below.
- Debian/man2html—no fix listed
Is CVE-2021-40648 being exploited?
Low — EPSS is 0.3%, meaning exploitation activity has not been observed at scale.
Affected packages (1)
- from 0
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | MEDIUM5.5 | CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H |