CVE-2019-6978 — Double Free in Libgd

CWE-415 — Double FreeCWE-416 — Use After Free11 documents8 sources
Severity
9.8CRITICALNVD
EPSS
2.6%
top 14.45%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
3
Canonical Ubuntu LinuxDebian LinuxLibgd
Timeline
PublishedJan 28
Latest updateMay 14

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:HExploitability: 3.9 | Impact: 5.9

Affected Packages1 packages

▶NVDlibgd/libgd2.2.5

Also affects: Debian Linux 8.0, 9.0, Ubuntu Linux 14.04, 16.04, 18.04, 18.10

Patches

Patch: github.com ↗Patch: github.com ↗Patch: github.com ↗

🔴Vulnerability Details

3
GHSA
GHSA-7v6r-3q36-qvvp: The GD Graphics Library (aka LibGD) 2↗2022-05-14
▶
OSV
CVE-2019-6978: The GD Graphics Library (aka LibGD) 2↗2019-01-28
▶
CVEList
CVE-2019-6978: The GD Graphics Library (aka LibGD) 2↗2019-01-28
▶

📋Vendor Advisories

3
Ubuntu
GD vulnerabilities↗2019-02-28
▶
Red Hat
gd: Double free in the gdImage*Ptr in gd_gif_out.c, gd_jpeg.c, and gd_wbmp.c↗2019-01-15
▶
Debian
CVE-2019-6978: libgd2 - The GD Graphics Library (aka LibGD) 2.2.5 has a double free in the gdImage*Ptr()...↗2019
▶

💬Community

3
Bugzilla
CVE-2019-6978 gd: Double free in the gdImage*Ptr in gd_gif_out.c, gd_jpeg.c, and gd_wbmp.c↗2019-01-31
▶
Bugzilla
CVE-2019-6978 gd: double free in the gdImage*Ptr in gd_gif_out.c, gd_jpeg.c, and gd_wbmp.c [fedora-all]↗2019-01-31
▶
Bugzilla
CVE-2019-6978 libwmf: gd: double free in the gdImage*Ptr in gd_gif_out.c, gd_jpeg.c, and gd_wbmp.c [fedora-all]↗2019-01-31
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