Vulnerability · Published Mar 4, 2022 · Assigned by redhat
CVE-2021-20303
Medium 6.1
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 57% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS NVD)6.1Medium
Exploit odds (30 days)0.8%top 42.5% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official description
A flaw found in function dataWindowForTile() of IlmImf/ImfTiledMisc.cpp. An attacker who is able to submit a crafted file to be processed by OpenEXR could trigger an integer overflow, leading to an out-of-bounds write on the heap. The greatest impact of this flaw is to application availability, with some potential impact to data integrity as well.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian:12 | openexr | 2.5.4-1 | DEBIAN-CVE-2021-20303 |
| Debian:13 | openexr | 2.5.4-1 | DEBIAN-CVE-2021-20303 |
| Debian:14 | openexr | 2.5.4-1 | DEBIAN-CVE-2021-20303 |
Affected products (as reported)
Weakness: CWE-190