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Vulnerability record · CVE-2019-6978 · published 28 January 2019

CVE-2019-6978: Libgd double free vulnerability

Libgd · Libgd

The GD Graphics Library (aka LibGD) 2.2.5 has a double free in the gdImage*Ptr() functions in gd_gif_out.c, gd_jpeg.c, and gd_wbmp.c. NOTE: PHP is unaffected.

9.8 CVSS 3.0 Critical EPSS 4.5% · top 8.9% CWE-415 · Double free
9.8CVSS 3.0 base score, v2 7.5
4.5%EPSS exploitation probability, 30 days
NoNot in CISA KEV
3Affected product versions listed by NVD
28References
17 Jun 2026Last modified by NVD

Description

The GD Graphics Library (aka LibGD) 2.2.5 has a double free in the gdImage*Ptr() functions in gd_gif_out.c, gd_jpeg.c, and gd_wbmp.c. NOTE: PHP is unaffected.

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

Affected products

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

References

LinkTags
http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00025.html
http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00031.html
https://access.redhat.com/errata/RHSA-2019:2722
https://github.com/libgd/libgd/commit/553702980ae89c83f2d6e254d62cf82e204956d0 PatchThird Party Advisory
https://github.com/libgd/libgd/issues/492 PatchThird Party Advisory
https://github.com/php/php-src/commit/089f7c0bc28d399b0420aa6ef058e4c1c120b2ae PatchThird Party Advisory
https://lists.debian.org/debian-lts-announce/2019/01/msg00028.html Mailing ListThird Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/3CZ2QADQTKRHTGB2AHD7J4Q
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/3WRUPZVT2MWFUEMVGTRAGDO
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/TEYUUOW75YD3DENIPYMO263
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/TTXSLRZI5BCQT3H5KALG3DH
https://security.gentoo.org/glsa/201903-18 Third Party Advisory
https://usn.ubuntu.com/3900-1/ Third Party Advisory
https://www.debian.org/security/2019/dsa-4384 Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00025.html
http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00031.html
https://access.redhat.com/errata/RHSA-2019:2722
https://github.com/libgd/libgd/commit/553702980ae89c83f2d6e254d62cf82e204956d0 PatchThird Party Advisory
https://github.com/libgd/libgd/issues/492 PatchThird Party Advisory
https://github.com/php/php-src/commit/089f7c0bc28d399b0420aa6ef058e4c1c120b2ae PatchThird Party Advisory
https://lists.debian.org/debian-lts-announce/2019/01/msg00028.html Mailing ListThird Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/3CZ2QADQTKRHTGB2AHD7J4Q
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/3WRUPZVT2MWFUEMVGTRAGDO
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/TEYUUOW75YD3DENIPYMO263
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/TTXSLRZI5BCQT3H5KALG3DH
https://security.gentoo.org/glsa/201903-18 Third Party Advisory
https://usn.ubuntu.com/3900-1/ Third Party Advisory
https://www.debian.org/security/2019/dsa-4384 Third Party Advisory

Track CVE-2019-6978 inside VULONE

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Source: NIST National Vulnerability Database (record CVE-2019-6978), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.