CVE-2021-39537

medium
Published — · Modified —
CVSS v3
CVSS v2
VIR risk
5.5

Description

An issue was discovered in ncurses through v6.2-1. _nc_captoinfo in captoinfo.c has a heap-based buffer overflow.

Predictions

Exploit likelihood
20%
Patch ETA

Heuristic predictions, AS-IS, for prioritization only.

Mitigations

vendor Authored 2026-05-27

Vendor advisory: debian — https://security-tracker.debian.org/tracker/CVE-2021-39537

vendor Authored 2026-05-27

Vendor advisory: suse — https://www.suse.com/security/cve/CVE-2021-39537.html

OS impact

OSVersionStatusFixed in
arch archfixed6.3-1
suse slesaffected
debian debianbookwormfixed6.2+20200912-1
debian debianbullseyefixed6.2+20200912-1
debian debianforkyfixed6.2+20200912-1
debian debiansidfixed6.2+20200912-1
debian debiantrixiefixed6.2+20200912-1

References

Verify integrity in audit chain (admin only). AS-IS.