CVE-2020-19189
Low
No strong exploitation signal.
CVSS base
6.5
MEDIUM
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
EPSS — probability of exploitation (30 days)
2.2%
82.0th percentile
CISA KEV
Not listed
Weakness / dates
CWE-787
Published 2023-08-22 · modified 2026-07-23
CVSS breakdown
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
| Attack Vector | N | Network |
| Attack Complexity | L | Low |
| Privileges Required | N | None |
| User Interaction | R | Required |
| Scope | U | Unchanged |
| Confidentiality | N | None |
| Integrity | N | None |
| Availability | H | High |
Timeline
- 2023-08-22 — Published (NVD)
- 2026-07-23 — Last modified (NVD)
Description
Buffer Overflow vulnerability in postprocess_terminfo function in tinfo/parse_entry.c:997 in ncurses 6.1 allows remote attackers to cause a denial of service via crafted command.
Affected
References
- http://seclists.org/fulldisclosure/2023/Dec/10
- http://seclists.org/fulldisclosure/2023/Dec/11
- http://seclists.org/fulldisclosure/2023/Dec/9
- exploit https://github.com/zjuchenyuan/fuzzpoc/blob/master/infotocap_poc5.md
- https://lists.debian.org/debian-lts-announce/2023/09/msg00033.html
- https://security.netapp.com/advisory/ntap-20231006-0005/
- https://support.apple.com/kb/HT214036
- https://support.apple.com/kb/HT214037
- https://support.apple.com/kb/HT214038
- http://seclists.org/fulldisclosure/2023/Dec/10
- http://seclists.org/fulldisclosure/2023/Dec/11
- http://seclists.org/fulldisclosure/2023/Dec/9
- exploit https://github.com/zjuchenyuan/fuzzpoc/blob/master/infotocap_poc5.md
- https://lists.debian.org/debian-lts-announce/2023/09/msg00033.html
- https://security.netapp.com/advisory/ntap-20231006-0005/
- https://support.apple.com/kb/HT214036
- https://support.apple.com/kb/HT214037
- https://support.apple.com/kb/HT214038