CVE-2019-6978 Information

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 Vector

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

Reference

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 https://github.com/libgd/libgd/issues/492 https://github.com/php/php-src/commit/089f7c0bc28d399b0420aa6ef058e4c1c120b2ae https://lists.debian.org/debian-lts-announce/2019/01/msg00028.html https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/3CZ2QADQTKRHTGB2AHD7J4QQNDLBEMM6/ https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/3WRUPZVT2MWFUEMVGTRAGDOBHLNMGK5R/ https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/TEYUUOW75YD3DENIPYMO263E6NL2NFHI/ https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/TTXSLRZI5BCQT3H5KALG3DHUWUMNPDX2/ https://security.gentoo.org/glsa/201903-18 https://usn.ubuntu.com/3900-1/ https://www.debian.org/security/2019/dsa-4384

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

HIGH

Base Score

HIGH

Base Severity

9.8