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Vulnerability record · CVE-2017-6362 · published 7 September 2017

CVE-2017-6362: Libgd double free vulnerability

Libgd · Libgd

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.

7.5 CVSS 3.0 High EPSS 5.1% · top 7.9% CWE-415 · Double free
7.5CVSS 3.0 base score, v2 5.0
5.1%EPSS exploitation probability, 30 days
NoNot in CISA KEV
4Affected product versions listed by NVD
8References
17 Jun 2026Last modified by NVD

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.

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Affected products

4 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://www.debian.org/security/2017/dsa-3961 Third Party Advisory
https://github.com/libgd/libgd/issues/381 Issue TrackingThird Party Advisory
https://github.com/libgd/libgd/releases/tag/gd-2.2.5 PatchRelease NotesThird Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/N2BLXX7KNRE7ZVQAKGTHHWS
http://www.debian.org/security/2017/dsa-3961 Third Party Advisory
https://github.com/libgd/libgd/issues/381 Issue TrackingThird Party Advisory
https://github.com/libgd/libgd/releases/tag/gd-2.2.5 PatchRelease NotesThird Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/N2BLXX7KNRE7ZVQAKGTHHWS

Track CVE-2017-6362 inside VULONE

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Source: NIST National Vulnerability Database (record CVE-2017-6362), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.