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
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.045 (91.1th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 91st percentile — 91.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.045 · newest: 0.045 · change: 0.000
Affected products
Weakness classification (CWE)
Public proof-of-concept exploits
References
- github.com/libgd/libgd/blob/gd-2.2.4/CHANGELOG.md (Patch, Release Notes)
- www.debian.org/security/2017/dsa-3777 (vendor-advisory)
- github.com/libgd/libgd/commit/a49feeae76d41959d85ee733925a4cf40bac61b2 (Patch, Vendor Advisory)
- www.securityfocus.com/bid/95843 (vdb-entry)
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.