CVE-2021-33457
5.5
MEDIUM
CVSS 3.1
EPSS 0.16%
Description
An issue was discovered in yasm version 1.3.0. There is a NULL pointer dereference in expand_mmac_params() in modules/preprocs/nasm/nasm-pp.c.
How to fix CVE-2021-33457
No fixed version has been published yet. Mitigate by removing the affected package or applying upstream guidance from the references below.
- Debian/yasm—no fix listed
Is CVE-2021-33457 being exploited?
Low — EPSS is 0.2%, 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 |