Disclosure summary
An issue was discovered in ncurses through v6.2-1. _nc_captoinfo in captoinfo.c has a heap-based buffer overflow.
Source-reported weakness categories
CWE-787
Source-specific records & product guidance
Sources retain their own attribution and scoring. Follow the original record to confirm affected versions, fixed releases, and configuration conditions.
NIST National Vulnerability Database · NVD-CVE-2021-39537
Open original source · Updated Oct 08, 2026
Only CPE matches marked vulnerable=true are indexed. AND/OR platform conditions must be checked in the original NVD record.
| Vendor | Product / association | Version / bounds |
|---|---|---|
| invisible-island | ncurses | * {"versionEndIncluding":"6.2.1"} |
| apple | mac_os_x | 10.12.6 |
| apple | macos | 11.7 |
| apple | macos | 13.0 |
Original records & references
- NIST NVD record
- CVE Program record
- lists.debian.org
- lists.gnu.org — Exploit, Mailing List, Vendor Advisory
- lists.gnu.org — Mailing List, Vendor Advisory
- security.netapp.com
- support.apple.com — Third Party Advisory
- support.apple.com — Third Party Advisory
- support.apple.com — Third Party Advisory
- lists.debian.org
- lists.gnu.org — Exploit, Mailing List, Vendor Advisory
- lists.gnu.org — Mailing List, Vendor Advisory
- security.netapp.com
- support.apple.com — Third Party Advisory
- support.apple.com — Third Party Advisory
- support.apple.com — Third Party Advisory
PUBLISHED 2021-09-20T12:15:12-04:00
MODIFIED 2026-10-08T17:17:39-04:00
INGESTED 2026-10-10T20:50:20-04:00