Buffer overflow in Graphicsmagick

CVE-2018-20184

In GraphicsMagick 1.4 snapshot-20181209 Q8, there is a heap-based buffer overflow in the WriteTGAImage function of tga.c, which allows attackers to cause a denial of service via a crafted image file, because the number of rows or columns can exceed the pixel-dimension restrictions of the TGA specification.

Vulnerability class: Buffer Overflow

EPSS: 0.023 (81.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2018-20184?
CVE-2018-20184 is a medium-severity vulnerability in Graphicsmagick, classified under Out-of-bounds Write. CVSS score: 6.5/10. Published 2018-12-17.
How severe is CVE-2018-20184?
Medium severity. CVSS v3 base score is 6.5 out of 10.