libopenexr22: There's a flaw in OpenEXR's deep tile sample size calculations in versions before 3.0.0-beta
CVE-2021-3477 is fixed in 3 products on 1 platform, first by libopenexr22 2.2.0-11.1ubuntu1.6, released March 31, 2021. It is not reported as exploited. Patch Radar priority: Routine.
There's a flaw in OpenEXR's deep tile sample size calculations in versions before 3.0.0-beta. An attacker who is able to submit a crafted file to be processed by OpenEXR could trigger an integer overflow, subsequently leading to an out-of-bounds read. The greatest risk of this flaw is to application availability.
Where it's fixed
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| Linux | |||
| libopenexr22 · Ubuntu 18.04.6 LTS (bionic) | 2.2.0-11.1ubuntu1.6 | libopenexr22 2.2.0-11.1ubuntu1.6 | Mar 31, 2021 |
| libopenexr24 · Ubuntu 20.04 LTS (focal) | 2.3.0-6ubuntu0.5 | libopenexr24 2.3.0-6ubuntu0.5 | Mar 31, 2021 |
| openexr · Ubuntu 18.04.6 LTS (bionic) | 2.2.0-11.1ubuntu1.6 | openexr 2.2.0-11.1ubuntu1.6 | Mar 31, 2021 |
| openexr · Ubuntu 20.04 LTS (focal) | 2.3.0-6ubuntu0.5 | openexr 2.3.0-6ubuntu0.5 | Mar 31, 2021 |
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