Vulnerability Description
An issue was discovered in ncurses through v6.2-1. _nc_captoinfo in captoinfo.c has a heap-based buffer overflow.
CVSS Score
8.8
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Gnu | Ncurses | <= 6.2.1 |
| Apple | Mac Os X | 10.12.6 |
| Apple | Macos | 11.7 |
Related Weaknesses (CWE)
References
- http://cvsweb.netbsd.org/bsdweb.cgi/pkgsrc/devel/ncurses/patches/patch-ncurses_tPatchThird Party Advisory
- http://seclists.org/fulldisclosure/2022/Oct/28Mailing ListThird Party Advisory
- http://seclists.org/fulldisclosure/2022/Oct/41Mailing ListThird Party Advisory
- http://seclists.org/fulldisclosure/2022/Oct/43Mailing ListThird Party Advisory
- http://seclists.org/fulldisclosure/2022/Oct/45Mailing ListThird Party Advisory
- https://lists.debian.org/debian-lts-announce/2023/12/msg00004.html
- https://lists.gnu.org/archive/html/bug-ncurses/2020-08/msg00006.htmlExploitMailing ListVendor Advisory
- https://lists.gnu.org/archive/html/bug-ncurses/2021-10/msg00023.htmlMailing ListVendor Advisory
- https://security.netapp.com/advisory/ntap-20230427-0012/
- https://support.apple.com/kb/HT213443Third Party Advisory
- https://support.apple.com/kb/HT213444Third Party Advisory
- https://support.apple.com/kb/HT213488Third Party Advisory
- http://cvsweb.netbsd.org/bsdweb.cgi/pkgsrc/devel/ncurses/patches/patch-ncurses_tPatchThird Party Advisory
- http://seclists.org/fulldisclosure/2022/Oct/28Mailing ListThird Party Advisory
- http://seclists.org/fulldisclosure/2022/Oct/41Mailing ListThird Party Advisory
FAQ
What is CVE-2021-39537?
CVE-2021-39537 is a vulnerability with a CVSS score of 8.8 (HIGH). An issue was discovered in ncurses through v6.2-1. _nc_captoinfo in captoinfo.c has a heap-based buffer overflow.
How severe is CVE-2021-39537?
CVE-2021-39537 has been rated HIGH with a CVSS base score of 8.8/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2021-39537?
Check the references section above for vendor advisories and patch information. Affected products include: Gnu Ncurses, Apple Mac Os X, Apple Macos.