CVE-2019-6978

CRITICAL

LibGD 2.2.5 - Use After Free

Title source: llm

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.

References (14)

[Mailing List] http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00025.html

[Mailing List] http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00031.html

[Vendor Advisory] https://access.redhat.com/errata/RHSA-2019:2722

[Patch, Third Party Advisory] https://github.com/libgd/libgd/commit/553702980ae89c83f2d6e254d62cf82e204956d0

View Patch ZIP pw:eip

[Patch, Third Party Advisory] https://github.com/libgd/libgd/issues/492

[Patch, Third Party Advisory] https://github.com/php/php-src/commit/089f7c0bc28d399b0420aa6ef058e4c1c120b2ae

View Patch ZIP pw:eip

[Mailing List, Third Party Advisory] https://lists.debian.org/debian-lts-announce/2019/01/msg00028.html

[Third Party Advisory] 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

[Mailing List, Third Party Advisory] https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/3CZ2QADQTKRHTGB2AHD7J4QQNDLBEMM6/

[Mailing List, Third Party Advisory] https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/3WRUPZVT2MWFUEMVGTRAGDOBHLNMGK5R/

[Mailing List, Third Party Advisory] https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/TEYUUOW75YD3DENIPYMO263E6NL2NFHI/

[Mailing List, Third Party Advisory] https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/TTXSLRZI5BCQT3H5KALG3DHUWUMNPDX2/

Scores

CVSS v3 9.8

EPSS 0.0361

EPSS Percentile 87.6%

Attack Vector NETWORK

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

Classification

CWE

CWE-415

Status published

Affected Products (7)

libgd/libgd

debian/debian_linux

canonical/ubuntu_linux

Timeline

Published Jan 28, 2019

Tracked Since Feb 18, 2026