CVE-2021-39537
ncurses - security update
8.8
HIGH
CVSS 3.1
EPSS 0.51%
Description
An issue was discovered in ncurses through v6.2-1. _nc_captoinfo in captoinfo.c has a heap-based buffer overflow.
How to fix CVE-2021-39537
To remediate CVE-2021-39537, upgrade the affected package to a fixed version below.
- Alpine/ncurses—upgrade to 6.2_p20200523-r1 or later
- Debian/ncurses—upgrade to 6.2+20200912-1 or later
- —upgrade to 6.1+20181013-2+deb10u5 or later
Is CVE-2021-39537 being exploited?
Low — EPSS is 0.5%, meaning exploitation activity has not been observed at scale.
Affected packages (3)
- from 0, < 6.2_p20200523-r1
- from 0, < 6.2+20200912-1
- from 0, < 6.1+20181013-2+deb10u5
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | HIGH8.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |