CVE-2021-20296
Publication date 1 April 2021
Last updated 24 July 2024
Ubuntu priority
Cvss 3 Severity Score
A flaw was found in OpenEXR in versions before 3.0.0-beta. A crafted input file supplied by an attacker, that is processed by the Dwa decompression functionality of OpenEXR's IlmImf library, could cause a NULL pointer dereference. The highest threat from this vulnerability is to system availability.
Status
Package | Ubuntu Release | Status |
---|---|---|
openexr | 24.04 LTS noble |
Not affected
|
22.04 LTS jammy |
Not affected
|
|
20.04 LTS focal |
Fixed 2.3.0-6ubuntu0.5+esm1
|
|
18.04 LTS bionic |
Fixed 2.2.0-11.1ubuntu1.7
|
|
16.04 LTS xenial |
Fixed 2.2.0-10ubuntu2.6+esm1
|
|
14.04 LTS trusty | Not in release |
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Get Ubuntu ProSeverity score breakdown
Parameter | Value |
---|---|
Base score | 5.3 · Medium |
Attack vector | Network |
Attack complexity | Low |
Privileges required | None |
User interaction | None |
Scope | Unchanged |
Confidentiality | None |
Integrity impact | None |
Availability impact | Low |
Vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L |
References
Related Ubuntu Security Notices (USN)
- USN-4996-1
- OpenEXR vulnerabilities
- 22 June 2021
- USN-4996-2
- OpenEXR vulnerabilities
- 22 June 2021
- USN-5620-1
- OpenEXR vulnerabilities
- 20 September 2022