Vulnerability · Published Aug 23, 2022 · Assigned by redhat
CVE-2021-20298
High 7.5
In plain English
A high-severity uncontrolled resource consumption in OpenEXR. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.6% (higher than 75% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS NVD)7.5High
Exploit odds (30 days)1.6%top 24.5% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official description
A flaw was found in OpenEXR's B44Compressor. This flaw allows an attacker who can submit a crafted file to be processed by OpenEXR, to exhaust all memory accessible to the application. The highest threat from this vulnerability is to system availability.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian:12 | openexr | 2.5.4-1 | DEBIAN-CVE-2021-20298 |
| Debian:13 | openexr | 2.5.4-1 | DEBIAN-CVE-2021-20298 |
| Debian:14 | openexr | 2.5.4-1 | DEBIAN-CVE-2021-20298 |
Affected products (as reported)
Weakness: CWE-400
References
- https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=25913
- https://github.com/AcademySoftwareFoundation/openexr/pull/843
- https://github.com/AcademySoftwareFoundation/openexr/commit/85fd638ae0d5fa132434f4cbf32590261c1dba97
- https://bugzilla.redhat.com/show_bug.cgi?id=1939156
- https://access.redhat.com/security/cve/CVE-2021-20298
- [debian-lts-announce] 20221211 [SECURITY] [DLA 3236-1] openexr security update mailing-list