High severity · published May 28, 2021
CVE-2021-20240
A flaw was found in gdk-pixbuf in versions before 2.42.0
8.8
CVSS
2.3%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
Required
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)2.3% · higher than 84% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
FE
Fedora · Fedoraproject
33; 34 · source: NVD
GD
Gdk-pixbuf · Gnome
before 2.39.2 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2021-20240
CVE.org
https://www.cve.org/CVERecord?id=CVE-2021-20240
Issue Tracking
https://bugzilla.redhat.com/show_bug.cgi?id=1926787
Mailing List
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/B5H3GNVWMZTYZR3JBYCK57PF7PFMQBNP/
Mailing List
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/BGZVCTH5O7WBJLYXZ2UOKLYNIFPVR55D/
Mailing List
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/EANWYODLOJDFLMBH6WEKJJMQ5PKLEWML/
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