Use After Free in Graphicsmagick

CVE-2017-11403

The ReadMNGImage function in coders/png.c in GraphicsMagick 1.3.26 has an out-of-order CloseBlob call, resulting in a use-after-free via a crafted file.

Vulnerability class: Use-After-Free

EPSS: 0.283 (97.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2017-11403?
CVE-2017-11403 is a high-severity vulnerability in Graphicsmagick, classified under Use After Free. CVSS score: 8.8/10. Published 2017-07-18.
How severe is CVE-2017-11403?
High severity. CVSS v3 base score is 8.8 out of 10.
Is CVE-2017-11403 known to be exploited?
4 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.