CVE-2021-20298
Severity Score
7.5
*CVSS v3.1
Exploit Likelihood
*EPSS
Affected Versions
*CPE
Public Exploits
0
*Multiple Sources
Exploited in Wild
-
*KEV
Decision
-
*SSVC
Descriptions
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.
Se ha encontrado un fallo en B44Compressor de OpenEXR. Este fallo permite a un atacante que puede enviar un archivo diseñado para ser procesado por OpenEXR, agotar toda la memoria accesible a la aplicación. La mayor amenaza de esta vulnerabilidad es la disponibilidad del sistema.
*Credits:
N/A
CVSS Scores
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
* Common Vulnerability Scoring System
SSVC
- Decision:-
Exploitation
Automatable
Tech. Impact
* Organization's Worst-case Scenario
Timeline
- 2020-12-17 CVE Reserved
- 2022-08-23 CVE Published
- 2024-04-13 EPSS Updated
- 2024-08-03 CVE Updated
- ---------- Exploited in Wild
- ---------- KEV Due Date
- ---------- First Exploit
CWE
- CWE-400: Uncontrolled Resource Consumption
- CWE-787: Out-of-bounds Write
CAPEC
References (6)
| URL | Tag | Source |
|---|---|---|
| https://access.redhat.com/security/cve/CVE-2021-20298 | Third Party Advisory | |
| https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=25913 | Mailing List | |
| https://bugzilla.redhat.com/show_bug.cgi?id=1939156 | Issue Tracking | |
| https://lists.debian.org/debian-lts-announce/2022/12/msg00022.html | Mailing List |
|
| URL | Date | SRC |
|---|
| URL | Date | SRC |
|---|---|---|
| https://github.com/AcademySoftwareFoundation/openexr/commit/85fd638ae0d5fa132434f4cbf32590261c1dba97 | 2022-12-13 | |
| https://github.com/AcademySoftwareFoundation/openexr/pull/843 | 2022-12-13 |
| URL | Date | SRC |
|---|
Affected Vendors, Products, and Versions
| Vendor | Product | Version | Other | Status | ||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Vendor | Product | Version | Other | Status | <-- --> | Vendor | Product | Version | Other | Status |
| Openexr Search vendor "Openexr" | Openexr Search vendor "Openexr" for product "Openexr" | <= 2.5.7 Search vendor "Openexr" for product "Openexr" and version " <= 2.5.7" | - |
Affected
| ||||||
| Debian Search vendor "Debian" | Debian Linux Search vendor "Debian" for product "Debian Linux" | 10.0 Search vendor "Debian" for product "Debian Linux" and version "10.0" | - |
Affected
| ||||||