What’s Vulnerable › Vulnerabilities

CVE-2019-6978

• Severity: critical (CVSS 9.8 v3.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 4.5% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2019-01-28 · updated 2026-06-17
• Weakness: CWE-415

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.

Affected products

• Canonical Ubuntu Linux: 14.04, 16.04, 18.04, 18.10
• Debian Linux: 8.0, 9.0
• Libgd: 2.2.5

References

• 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%40lists.fedoraproject.org/message/3CZ2QADQTKRHTGB2AHD7J4QQNDLBEMM6/
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/3WRUPZVT2MWFUEMVGTRAGDOBHLNMGK5R/
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/TEYUUOW75YD3DENIPYMO263E6NL2NFHI/
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/TTXSLRZI5BCQT3H5KALG3DHUWUMNPDX2/
• https://security.gentoo.org/glsa/201903-18

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