What is CVE-2016-6912?

CVE-2016-6912 is a critical-severity vulnerability in Libgd, classified under Double Free. CVSS score: 9.8/10. Published 2017-01-26.

How severe is CVE-2016-6912?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Is CVE-2016-6912 known to be exploited?

3 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Double Free in Libgd

CVE-2016-6912

Double free vulnerability in the gdImageWebPtr function in the GD Graphics Library (aka libgd) before 2.2.4 allows remote attackers to have unspecified impact via large width and height values.

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
N/a — versions n/a

Weakness classification (CWE)

CWE-415 — Double Free

Public proof-of-concept exploits

References

cve@mitre.org (x_refsource_CONFIRM, Patch, Release Notes)
cve@mitre.org (vendor-advisory, x_refsource_DEBIAN)
cve@mitre.org (x_refsource_CONFIRM, Patch, Vendor Advisory)
cve@mitre.org (vdb-entry, x_refsource_BID)

Frequently asked questions

What is CVE-2016-6912?: CVE-2016-6912 is a critical-severity vulnerability in Libgd, classified under Double Free. CVSS score: 9.8/10. Published 2017-01-26.
How severe is CVE-2016-6912?: Critical severity. CVSS v3 base score is 9.8 out of 10.
Is CVE-2016-6912 known to be exploited?: 3 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.