CVE-2017-6362

Severity: high (CVSS 7.5 v3.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 5.1% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2017-09-07 · updated 2026-06-17
Weakness: CWE-415

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.

Affected products

Canonical Ubuntu Linux: 16.04
Debian Linux: 8.0, 9.0
Fedoraproject Fedora: 26
Libgd: 2.2.4

References

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

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