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High 8.8Published Sep 20, 2021
CVE-2021-39537An issue was discovered in ncurses through v6.2-1.
Updated under an hour ago ()
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It affects invisible-island ncurses and 2 other products. Add what you run to find out whether that includes you.
No exploitation reported and no EPSS estimate yet.
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An issue was discovered in ncurses through v6.2-1. _nc_captoinfo in captoinfo.c has a heap-based buffer overflow.
- CVSS
- 8.8 HIGH (v3.1, NVD)CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- Weakness (CWE)
- Not given
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- mitre
- NVD analysis
- Modified
- Record last updated
- Oct 8, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
invisible-island ncurses invisible-island:ncurses | through 6.2.1 | NVD |
apple mac_os_x apple:mac_os_x | 10.12.6 | NVD |
apple macos apple:macos | 11.7; 13.0 | NVD |
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/41mailing-list
- http://seclists.org/fulldisclosure/2022/Oct/28mailing-list
- http://seclists.org/fulldisclosure/2022/Oct/43mailing-list
- http://seclists.org/fulldisclosure/2022/Oct/45mailing-list
- https://security.netapp.com/advisory/ntap-20230427-0012/
- https://lists.debian.org/debian-lts-announce/2023/12/msg00004.htmlmailing-list
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.