CVE-2021-39537
At a glance
- Severity
- Not available
- EPSS
- EPSS 3.24 % · percentile 88 (2026-10-27)
- State
- PUBLISHED
- Published
- Updated
- Assigner
- mitre
- NVD status
- Modified
Description
An issue was discovered in ncurses through v6.2-1. _nc_captoinfo in captoinfo.c has a heap-based buffer overflow.
Scores
| Version | Score | Vector | Scored by |
|---|---|---|---|
| CVSS 3.1 | HIGH 8.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H | NVD · nvd@nist.gov (Primary) |
| CVSS 2.0 | MEDIUM 6.8 | AV:N/AC:M/Au:N/C:P/I:P/A:P | NVD · nvd@nist.gov (Primary) |
Weaknesses (CWE)
European references
- ENISA EUVD · EUVD-2021-25894
- GCVE · GCVE-0-2021-39537
CERT-FR advisories
- CERTFR-2026-AVI-0218 — Multiples vulnérabilités dans les produits VMware · cert.ssi.gouv.fr
- CERTFR-2025-AVI-1057 — Multiples vulnérabilités dans les produits VMware · cert.ssi.gouv.fr
- CERTFR-2025-AVI-0969 — Multiples vulnérabilités dans les produits VMware · cert.ssi.gouv.fr
- CERTFR-2022-AVI-947 — Multiples vulnérabilités dans les produits Apple · cert.ssi.gouv.fr
Affected configurations (NVD CPE)
cpe:2.3:a:invisible-island:ncurses:*:*:*:*:*:*:*:*≤ 6.2.1cpe:2.3:o:apple:mac_os_x:10.12.6:*:*:*:*:*:*:*cpe:2.3:o:apple:macos:11.7:*:*:*:*:*:*:*cpe:2.3:o:apple:macos:13.0:*:*:*:*:*:*:*
Affected products
| Product | Versions |
|---|---|
| affected n/a |
References
- https://lists.gnu.org/archive/html/bug-ncurses/2020-08/msg00006.html
- https://lists.gnu.org/archive/html/bug-ncurses/2021-10/msg00023.html
- http://cvsweb.netbsd.org/bsdweb.cgi/pkgsrc/devel/ncurses/patches/patch-ncurses_tinfo_captoinfo.c?rev=1.1&content-type=text/x-cvsweb-markup
- https://support.apple.com/kb/HT213443
- https://support.apple.com/kb/HT213444
- https://support.apple.com/kb/HT213488
- http://seclists.org/fulldisclosure/2022/Oct/41
- http://seclists.org/fulldisclosure/2022/Oct/28
- http://seclists.org/fulldisclosure/2022/Oct/43
- http://seclists.org/fulldisclosure/2022/Oct/45
- https://security.netapp.com/advisory/ntap-20230427-0012/
- https://lists.debian.org/debian-lts-announce/2023/12/msg00004.html
Sources
| Source | Licence |
|---|---|
| CVE List (CVEProject cvelistV5) | CVE Program Terms of Use |
| EPSS (FIRST.org) | FIRST — attribution requested |
| ENISA EUVD | ENISA — reproduction authorised, source acknowledged |
| CERT-FR (ANSSI) | Licence Ouverte / Etalab 2.0 |
| NVD (NIST) via fkie-cad/nvd-json-data-feeds | Public domain — this product uses data from the NVD API but is not endorsed or certified by the NVD |