Buffer overflow in Apple Macos
CVE-2021-39537
An issue was discovered in ncurses through v6.2-1. _nc_captoinfo in captoinfo.c has a heap-based buffer overflow.
Vulnerability class: Buffer Overflow
EPSS: 0.032 (87.0th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.
Affected products
- Apple Macos — versions 11.7, 13.0
- Apple Mac_os_x — versions 10.12.6
- Gnu Ncurses
- Invisible-island Ncurses
- N/a — versions n/a
Weakness classification (CWE)
Public proof-of-concept exploits
References
- cve@mitre.org (Exploit, Mailing List, Vendor Advisory)
- cve@mitre.org (Mailing List, Vendor Advisory)
- cve@mitre.org (Patch, Third Party Advisory)
- cve@mitre.org (Third Party Advisory)
- cve@mitre.org (Third Party Advisory)
- cve@mitre.org (Third Party Advisory)
- cve@mitre.org (mailing-list, Mailing List, Third Party Advisory)
- cve@mitre.org (mailing-list, Mailing List, Third Party Advisory)
- cve@mitre.org (mailing-list, Mailing List, Third Party Advisory)
- cve@mitre.org (mailing-list, Mailing List, Third Party Advisory)
Frequently asked questions
- What is CVE-2021-39537?
- CVE-2021-39537 is a high-severity vulnerability in Apple Macos, classified under Out-of-bounds Write. CVSS score: 8.8/10. Published 2021-09-20.
- How severe is CVE-2021-39537?
- High severity. CVSS v3 base score is 8.8 out of 10.
- Is CVE-2021-39537 known to be exploited?
- 7 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.