What is CVE-2021-20240?

CVE-2021-20240 is a high-severity vulnerability in Gnome Gdk-pixbuf, classified under Integer Underflow. CVSS score: 8.8/10. Published 2021-05-28.

How severe is CVE-2021-20240?

High severity. CVSS v3 base score is 8.8 out of 10.

Integer overflow in Gnome Gdk-pixbuf

CVE-2021-20240

A flaw was found in gdk-pixbuf in versions before 2.42.0. An integer wraparound leading to an out of bounds write can occur when a crafted GIF image is loaded. An attacker may cause applications to crash or could potentially execute code o…

EPSS: 0.023 (81.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

Affected products

Gnome Gdk-pixbuf
Fedoraproject Fedora — versions 33, 34
N/a Gdk-pixbuf — versions gdk-pixbuf 2.42.0

Weakness classification (CWE)

CWE-191 — Integer Underflow

References

secalert@redhat.com (x_refsource_FEDORA, vendor-advisory, Mailing List, Third Party Advisory)
secalert@redhat.com (x_refsource_FEDORA, vendor-advisory, Mailing List, Third Party Advisory)
secalert@redhat.com (x_refsource_FEDORA, vendor-advisory, Mailing List, Third Party Advisory)
secalert@redhat.com (Patch, Third Party Advisory, x_refsource_MISC, Issue Tracking)

Frequently asked questions

What is CVE-2021-20240?: CVE-2021-20240 is a high-severity vulnerability in Gnome Gdk-pixbuf, classified under Integer Underflow. CVSS score: 8.8/10. Published 2021-05-28.
How severe is CVE-2021-20240?: High severity. CVSS v3 base score is 8.8 out of 10.