Medium severity · published Mar 25, 2022
CVE-2021-3933
An integer overflow could occur when OpenEXR processes a crafted file on systems where size_t < 64 bits
5.5
CVSS
0.8%
EPSS
No
On KEV
Description
An integer overflow could occur when OpenEXR processes a crafted file on systems where size_t < 64 bits. This could cause an invalid bytesPerLine and maxBytesPerLine value, which could lead to problems with application stability or lead to other attack paths.
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Attack vector
Local
Complexity
Low
Privileges
None
User interaction
Required
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.8% · higher than 58% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
DL
Debian Linux · Debian
10.0; 11.0 · source: NVD
FE
Fedora · Fedoraproject
36 · source: NVD
OP
Openexr · Openexr
before 3.1.2 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2021-3933
CVE.org
https://www.cve.org/CVERecord?id=CVE-2021-3933
Issue Tracking
https://bugzilla.redhat.com/show_bug.cgi?id=2019783
Mailing List
https://lists.debian.org/debian-lts-announce/2022/12/msg00022.html
lists.fedoraproject.org
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/I2JSMJ7HLWFPYYV7IAQZD5ZUUUN7RWBN/
Third Party Advisory
https://security.gentoo.org/glsa/202210-31
Third Party Advisory
https://www.debian.org/security/2022/dsa-5299
More from Debian Linux
10.0
CVE-2025-32433
Erlang/OTP SSH Vulnerable to Pre-Authentication RCE
10.0
CVE-2025-24201
Apple Multiple Products WebKit Out-of-Bounds Write Vulnerability
10.0
CVE-2021-44228
Apache Log4j2 JNDI features do not protect against attacker controlled LDAP and other JNDI related endpoints
10.0
CVE-2015-3306
ProFTPD Improper Access Control Vulnerability
9.8
CVE-2026-111497
Out-of-Bounds Write in Google Brotli Decoder