Double Free in Libgd
CVE-2019-6978
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.
Vulnerability class: Double Free
EPSS: 0.044 (90.4th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Libgd — versions 2.2.5
- Canonical Ubuntu_linux — versions 14.04, 16.04, 18.04
- Debian Debian_linux — versions 8.0, 9.0
- N/a — versions n/a
Weakness classification (CWE)
References
- cve@mitre.org (Patch, Third Party Advisory, x_refsource_MISC)
- cve@mitre.org (x_refsource_UBUNTU, vendor-advisory, Third Party Advisory)
- cve@mitre.org (mailing-list, x_refsource_MLIST, Mailing List, Third Party Advisory)
- cve@mitre.org (Patch, Third Party Advisory, x_refsource_MISC)
- cve@mitre.org (vendor-advisory, Third Party Advisory, x_refsource_DEBIAN)
- cve@mitre.org (Patch, Third Party Advisory, x_refsource_MISC)
- cve@mitre.org (vendor-advisory, Third Party Advisory, x_refsource_GENTOO)
- cve@mitre.org (vendor-advisory, x_refsource_SUSE)
- cve@mitre.org (vendor-advisory, x_refsource_SUSE)
- cve@mitre.org (x_refsource_REDHAT, vendor-advisory)
Frequently asked questions
- What is CVE-2019-6978?
- CVE-2019-6978 is a critical-severity vulnerability in Libgd, classified under Double Free. CVSS score: 9.8/10. Published 2019-01-28.
- How severe is CVE-2019-6978?
- Critical severity. CVSS v3 base score is 9.8 out of 10.