CVE-2021-39537

CWE-787 — Out-of-bounds WriteCWE-119 — Buffer Overflow12 documents9 sources
Severity
8.8HIGH
EPSS
0.4%
top 41.47%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
3
GNU NcursesApple MAC OS XApple Macos
Timeline
PublishedSep 20
Latest updateMay 23

Description

An issue was discovered in ncurses through v6.2-1. _nc_captoinfo in captoinfo.c has a heap-based buffer overflow.

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:HExploitability: 2.8 | Impact: 5.9

Affected Packages4 packages

▶Debianncurses< 6.2+20200912-1+3
▶NVDgnu/ncurses6.2.1
▶NVDapple/macos11.7, 13.0+1
▶NVDapple/mac_os_x10.12.6

Patches

Patch: cvsweb.netbsd.org ↗Patch: cvsweb.netbsd.org ↗

🔴Vulnerability Details

3
GHSA
GHSA-v5gv-3mwr-6223: An issue was discovered in ncurses through v6↗2022-05-24
▶
OSV
CVE-2021-39537: An issue was discovered in ncurses through v6↗2021-09-20
▶
CVEList
CVE-2021-39537: An issue was discovered in ncurses through v6↗2021-09-20
▶

📋Vendor Advisories

8
Ubuntu
ncurses vulnerabilities↗2023-05-23
▶
Apple
CVE-2021-39537: macOS Ventura 13↗2022-10-24
▶
Apple
CVE-2021-39537: macOS Monterey 12.6↗2022-09-12
▶
Apple
CVE-2021-39537: macOS Big Sur 11.7↗2022-09-12
▶
Ubuntu
ncurses vulnerabilities↗2022-06-14
▶
CVE-2021-39537 (HIGH CVSS 8.8) | An issue was discovered in ncurses | cvebase.io