CVE-2021-3476
Published: 30 March 2021
A flaw was found in OpenEXR's B44 uncompression functionality in versions before 3.0.0-beta. An attacker who is able to submit a crafted file to OpenEXR could trigger shift overflows, potentially affecting application availability.
Priority
Status
| Package | Release | Status |
|---|---|---|
|
openexr Launchpad, Ubuntu, Debian |
jammy |
Not vulnerable
(2.5.7-1)
|
| impish |
Not vulnerable
(2.5.4-2)
|
|
| upstream |
Released
(2.5.4-1)
|
|
| trusty |
Does not exist
|
|
| bionic |
Released
(2.2.0-11.1ubuntu1.6)
|
|
| focal |
Released
(2.3.0-6ubuntu0.5)
|
|
| groovy |
Released
(2.5.3-2ubuntu0.2)
|
|
| xenial |
Released
(2.2.0-10ubuntu2.6)
|
|
| hirsute |
Not vulnerable
(2.5.4-1)
|
|
|
Patches: upstream: https://github.com/AcademySoftwareFoundation/openexr/commit/eec0dba242bedd2778c973ae4af112107b33d9c9 |
||
Severity score breakdown
| Parameter | Value |
|---|---|
| Base score | 5.3 |
| 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 |