CVE-2021-20240

HighCVSS 8.8/10Last modified Jun 17, 2026

Description

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 on the victim system. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability.

Metrics

CVSS 3.1 8.8/10CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Weakness enumeration

Affected software

No affected versions have been published.

Timeline

Published
May 28, 2021
Last modified
Jun 17, 2026
NVD status
Analyzed

Related CVEs from 2021

CVE-2021-202415.5A flaw was found in ImageMagick in coders/jp2.c. An attacker who submits a crafted file that is processed by ImageMagick could trigger undefCVE-2021-202435.5A flaw was found in ImageMagick in MagickCore/resize.c. An attacker who submits a crafted file that is processed by ImageMagick could triggeCVE-2021-202445.5A flaw was found in ImageMagick in MagickCore/visual-effects.c. An attacker who submits a crafted file that is processed by ImageMagick coulCVE-2021-202455.5A flaw was found in ImageMagick in coders/webp.c. An attacker who submits a crafted file that is processed by ImageMagick could trigger undeCVE-2021-202465.5A flaw was found in ImageMagick in MagickCore/resample.c. An attacker who submits a crafted file that is processed by ImageMagick could trigCVE-2021-202477.4A flaw was found in mbsync before v1.3.5 and v1.4.1. Validations of the mailbox names returned by IMAP LIST/LSUB do not occur allowing a malCVE-2021-20258.2Vulnerability in the Oracle Business Intelligence Enterprise Edition product of Oracle Fusion Middleware (component: Analytics Web General).CVE-2021-202504.3A flaw was found in wildfly. The JBoss EJB client has publicly accessible privileged actions which may lead to information disclosure on theCVE-2021-202515.9A flaw was found in samba. A race condition in the password lockout code may lead to the risk of brute force attacks being successful if speCVE-2021-202526.5A flaw was found in Red Hat 3scale API Management Platform 2. The 3scale backend does not perform preventive handling on user-requested dateCVE-2021-202536.7A flaw was found in ansible-tower. The default installation is vulnerable to Job Isolation escape allowing an attacker to elevate the privilCVE-2021-202546.8A flaw was found in samba. The Samba smbd file server must map Windows group identities (SIDs) into unix group ids (gids). The code that per
CVE-2021-20240: High severity, CVSS 8.8 | Vulnix