Vulnerability · Published Mar 25, 2022 · Assigned by redhat
CVE-2021-3933
Medium 5.5
In plain English
A medium-severity integer overflow in openexr. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.8% (higher than 58% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS NVD)5.5Medium
Exploit odds (30 days)0.8%top 41.8% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official 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.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian:12 | openexr | 3.1.5-2 | DEBIAN-CVE-2021-3933 |
| Debian:13 | openexr | 3.1.5-2 | DEBIAN-CVE-2021-3933 |
| Debian:14 | openexr | 3.1.5-2 | DEBIAN-CVE-2021-3933 |
| Ubuntu:22.04:LTS | ilmbase | no fix listed | UBUNTU-CVE-2021-3933 |
| Ubuntu:22.04:LTS | povray | no fix listed | UBUNTU-CVE-2021-3933 |
| Ubuntu:24.04:LTS | povray | no fix listed | UBUNTU-CVE-2021-3933 |
| Ubuntu:25.10 | povray | no fix listed | UBUNTU-CVE-2021-3933 |
| Ubuntu:26.04:LTS | povray | no fix listed | UBUNTU-CVE-2021-3933 |
| Ubuntu:26.10 | povray | no fix listed | UBUNTU-CVE-2021-3933 |
Affected products (as reported)
Weakness: CWE-190
References
- https://bugzilla.redhat.com/show_bug.cgi?id=2019783
- FEDORA-2022-18e14f460c vendor-advisory
- GLSA-202210-31 vendor-advisory
- DSA-5299 vendor-advisory
- [debian-lts-announce] 20221211 [SECURITY] [DLA 3236-1] openexr security update mailing-list