Ubuntu USN · USN-8438-1

OpenImageIO vulnerabilities

Published: Tue, 16 Jun 2026 21:02

CVE-2026-43903CVE-2026-43906CVE-2026-43907CVE-2026-43908CVE-2026-43904CVE-2026-43909

Summary

Several security issues were fixed in OpenImageIO.

Details

It was discovered that OpenImageIO incorrectly performed bounds checking when processing SGI files. An attacker could possibly use this issue to cause a denial of service or execute arbitrary code. (CVE-2026-43903) It was discovered that OpenImageIO incorrectly handled run-length encoding when processing Softimage PIC files. An attacker could possibly use this issue to cause a denial of service or execute arbitrary code. (CVE-2026-43904) It was discovered that OpenImageIO incorrectly validated subimage metadata when processing HEIF files. An attacker could possibly use this issue to cause a denial of service or execute arbitrary code. This issue only affected Ubuntu 20.04 LTS, Ubuntu 24.04 LTS and Ubuntu 26.04 LTS. (CVE-2026-43906) It was discovered that OpenImageIO contained multiple integer overflow vulnerabilities when processing DPX files. An attacker could possibly use these issues to cause a denial of service or execute arbitrary code. (CVE-2026-43907, CVE-2026-43908, CVE-2026-43909)

Recommended actions per Ubuntu release

StackPatch playbook auto-generated per release codename and per affected package.

Ubuntu bionic

openimageio→1.7.17~dfsg0-1ubuntu2+esm1apt_upgrade
Standard apt upgrade. Install 1.7.17~dfsg0-1ubuntu2+esm1 from the apt repo.
```
sudo apt-get update
sudo apt-get install --only-upgrade -y openimageio
```
Most apt upgrades restart their service automatically. needrestart lists anything else.
libopenimageio-dev→1.7.17~dfsg0-1ubuntu2+esm1apt_upgrade
Standard apt upgrade. Install 1.7.17~dfsg0-1ubuntu2+esm1 from the apt repo.
```
sudo apt-get update
sudo apt-get install --only-upgrade -y libopenimageio-dev
```
Most apt upgrades restart their service automatically. needrestart lists anything else.
libopenimageio-doc→1.7.17~dfsg0-1ubuntu2+esm1apt_upgrade
Standard apt upgrade. Install 1.7.17~dfsg0-1ubuntu2+esm1 from the apt repo.
```
sudo apt-get update
sudo apt-get install --only-upgrade -y libopenimageio-doc
```
Most apt upgrades restart their service automatically. needrestart lists anything else.
libopenimageio1.7→1.7.17~dfsg0-1ubuntu2+esm1apt_upgrade
Standard apt upgrade. Install 1.7.17~dfsg0-1ubuntu2+esm1 from the apt repo.
```
sudo apt-get update
sudo apt-get install --only-upgrade -y libopenimageio1.7
```
Most apt upgrades restart their service automatically. needrestart lists anything else.
openimageio-tools→1.7.17~dfsg0-1ubuntu2+esm1apt_upgrade
Standard apt upgrade. Install 1.7.17~dfsg0-1ubuntu2+esm1 from the apt repo.
```
sudo apt-get update
sudo apt-get install --only-upgrade -y openimageio-tools
```
Most apt upgrades restart their service automatically. needrestart lists anything else.
python-openimageio→1.7.17~dfsg0-1ubuntu2+esm1apt_upgrade
Standard apt upgrade. Install 1.7.17~dfsg0-1ubuntu2+esm1 from the apt repo.
```
sudo apt-get update
sudo apt-get install --only-upgrade -y python-openimageio
```
Most apt upgrades restart their service automatically. needrestart lists anything else.

Ubuntu focal

openimageio→2.1.12.0~dfsg0-1ubuntu0.1~esm1apt_upgrade_esm
Fixed at 2.1.12.0~dfsg0-1ubuntu0.1~esm1 — ESM-only. Enable Ubuntu Pro (free for 5 personal machines) or treat as watch item.
```
sudo pro attach <token>
sudo apt-get update
sudo apt-get install --only-upgrade -y openimageio=2.1.12.0~dfsg0-1ubuntu0.1~esm1
```
Sign up at https://ubuntu.com/pro. Free for personal + small-team use.
libopenimageio-dev→2.1.12.0~dfsg0-1ubuntu0.1~esm1apt_upgrade_esm
Fixed at 2.1.12.0~dfsg0-1ubuntu0.1~esm1 — ESM-only. Enable Ubuntu Pro (free for 5 personal machines) or treat as watch item.
```
sudo pro attach <token>
sudo apt-get update
sudo apt-get install --only-upgrade -y libopenimageio-dev=2.1.12.0~dfsg0-1ubuntu0.1~esm1
```
Sign up at https://ubuntu.com/pro. Free for personal + small-team use.
libopenimageio-doc→2.1.12.0~dfsg0-1ubuntu0.1~esm1apt_upgrade_esm
Fixed at 2.1.12.0~dfsg0-1ubuntu0.1~esm1 — ESM-only. Enable Ubuntu Pro (free for 5 personal machines) or treat as watch item.
```
sudo pro attach <token>
sudo apt-get update
sudo apt-get install --only-upgrade -y libopenimageio-doc=2.1.12.0~dfsg0-1ubuntu0.1~esm1
```
Sign up at https://ubuntu.com/pro. Free for personal + small-team use.
libopenimageio2.1→2.1.12.0~dfsg0-1ubuntu0.1~esm1apt_upgrade_esm
Fixed at 2.1.12.0~dfsg0-1ubuntu0.1~esm1 — ESM-only. Enable Ubuntu Pro (free for 5 personal machines) or treat as watch item.
```
sudo pro attach <token>
sudo apt-get update
sudo apt-get install --only-upgrade -y libopenimageio2.1=2.1.12.0~dfsg0-1ubuntu0.1~esm1
```
Sign up at https://ubuntu.com/pro. Free for personal + small-team use.
openimageio-tools→2.1.12.0~dfsg0-1ubuntu0.1~esm1apt_upgrade_esm
Fixed at 2.1.12.0~dfsg0-1ubuntu0.1~esm1 — ESM-only. Enable Ubuntu Pro (free for 5 personal machines) or treat as watch item.
```
sudo pro attach <token>
sudo apt-get update
sudo apt-get install --only-upgrade -y openimageio-tools=2.1.12.0~dfsg0-1ubuntu0.1~esm1
```
Sign up at https://ubuntu.com/pro. Free for personal + small-team use.
python3-openimageio→2.1.12.0~dfsg0-1ubuntu0.1~esm1apt_upgrade_esm
Fixed at 2.1.12.0~dfsg0-1ubuntu0.1~esm1 — ESM-only. Enable Ubuntu Pro (free for 5 personal machines) or treat as watch item.
```
sudo pro attach <token>
sudo apt-get update
sudo apt-get install --only-upgrade -y python3-openimageio=2.1.12.0~dfsg0-1ubuntu0.1~esm1
```
Sign up at https://ubuntu.com/pro. Free for personal + small-team use.

Ubuntu noble

openimageio→2.4.17.0+dfsg-1.1ubuntu0.1~esm1apt_upgrade_esm
Fixed at 2.4.17.0+dfsg-1.1ubuntu0.1~esm1 — ESM-only. Enable Ubuntu Pro (free for 5 personal machines) or treat as watch item.
```
sudo pro attach <token>
sudo apt-get update
sudo apt-get install --only-upgrade -y openimageio=2.4.17.0+dfsg-1.1ubuntu0.1~esm1
```
Sign up at https://ubuntu.com/pro. Free for personal + small-team use.
libopenimageio-dev→2.4.17.0+dfsg-1.1ubuntu0.1~esm1apt_upgrade_esm
Fixed at 2.4.17.0+dfsg-1.1ubuntu0.1~esm1 — ESM-only. Enable Ubuntu Pro (free for 5 personal machines) or treat as watch item.
```
sudo pro attach <token>
sudo apt-get update
sudo apt-get install --only-upgrade -y libopenimageio-dev=2.4.17.0+dfsg-1.1ubuntu0.1~esm1
```
Sign up at https://ubuntu.com/pro. Free for personal + small-team use.
libopenimageio-doc→2.4.17.0+dfsg-1.1ubuntu0.1~esm1apt_upgrade_esm
Fixed at 2.4.17.0+dfsg-1.1ubuntu0.1~esm1 — ESM-only. Enable Ubuntu Pro (free for 5 personal machines) or treat as watch item.
```
sudo pro attach <token>
sudo apt-get update
sudo apt-get install --only-upgrade -y libopenimageio-doc=2.4.17.0+dfsg-1.1ubuntu0.1~esm1
```
Sign up at https://ubuntu.com/pro. Free for personal + small-team use.
libopenimageio2.4t64→2.4.17.0+dfsg-1.1ubuntu0.1~esm1apt_upgrade_esm
Fixed at 2.4.17.0+dfsg-1.1ubuntu0.1~esm1 — ESM-only. Enable Ubuntu Pro (free for 5 personal machines) or treat as watch item.
```
sudo pro attach <token>
sudo apt-get update
sudo apt-get install --only-upgrade -y libopenimageio2.4t64=2.4.17.0+dfsg-1.1ubuntu0.1~esm1
```
Sign up at https://ubuntu.com/pro. Free for personal + small-team use.
openimageio-tools→2.4.17.0+dfsg-1.1ubuntu0.1~esm1apt_upgrade_esm
Fixed at 2.4.17.0+dfsg-1.1ubuntu0.1~esm1 — ESM-only. Enable Ubuntu Pro (free for 5 personal machines) or treat as watch item.
```
sudo pro attach <token>
sudo apt-get update
sudo apt-get install --only-upgrade -y openimageio-tools=2.4.17.0+dfsg-1.1ubuntu0.1~esm1
```
Sign up at https://ubuntu.com/pro. Free for personal + small-team use.
python3-openimageio→2.4.17.0+dfsg-1.1ubuntu0.1~esm1apt_upgrade_esm
Fixed at 2.4.17.0+dfsg-1.1ubuntu0.1~esm1 — ESM-only. Enable Ubuntu Pro (free for 5 personal machines) or treat as watch item.
```
sudo pro attach <token>
sudo apt-get update
sudo apt-get install --only-upgrade -y python3-openimageio=2.4.17.0+dfsg-1.1ubuntu0.1~esm1
```
Sign up at https://ubuntu.com/pro. Free for personal + small-team use.

Ubuntu resolute

openimageio→2.5.19.1+dfsg-2ubuntu0.1~esm1apt_upgrade_esm
Fixed at 2.5.19.1+dfsg-2ubuntu0.1~esm1 — ESM-only. Enable Ubuntu Pro (free for 5 personal machines) or treat as watch item.
```
sudo pro attach <token>
sudo apt-get update
sudo apt-get install --only-upgrade -y openimageio=2.5.19.1+dfsg-2ubuntu0.1~esm1
```
Sign up at https://ubuntu.com/pro. Free for personal + small-team use.
libopenimageio-dev→2.5.19.1+dfsg-2ubuntu0.1~esm1apt_upgrade_esm
Fixed at 2.5.19.1+dfsg-2ubuntu0.1~esm1 — ESM-only. Enable Ubuntu Pro (free for 5 personal machines) or treat as watch item.
```
sudo pro attach <token>
sudo apt-get update
sudo apt-get install --only-upgrade -y libopenimageio-dev=2.5.19.1+dfsg-2ubuntu0.1~esm1
```
Sign up at https://ubuntu.com/pro. Free for personal + small-team use.
libopenimageio-doc→2.5.19.1+dfsg-2ubuntu0.1~esm1apt_upgrade_esm
Fixed at 2.5.19.1+dfsg-2ubuntu0.1~esm1 — ESM-only. Enable Ubuntu Pro (free for 5 personal machines) or treat as watch item.
```
sudo pro attach <token>
sudo apt-get update
sudo apt-get install --only-upgrade -y libopenimageio-doc=2.5.19.1+dfsg-2ubuntu0.1~esm1
```
Sign up at https://ubuntu.com/pro. Free for personal + small-team use.
libopenimageio2.5→2.5.19.1+dfsg-2ubuntu0.1~esm1apt_upgrade_esm
Fixed at 2.5.19.1+dfsg-2ubuntu0.1~esm1 — ESM-only. Enable Ubuntu Pro (free for 5 personal machines) or treat as watch item.
```
sudo pro attach <token>
sudo apt-get update
sudo apt-get install --only-upgrade -y libopenimageio2.5=2.5.19.1+dfsg-2ubuntu0.1~esm1
```
Sign up at https://ubuntu.com/pro. Free for personal + small-team use.
openimageio-tools→2.5.19.1+dfsg-2ubuntu0.1~esm1apt_upgrade_esm
Fixed at 2.5.19.1+dfsg-2ubuntu0.1~esm1 — ESM-only. Enable Ubuntu Pro (free for 5 personal machines) or treat as watch item.
```
sudo pro attach <token>
sudo apt-get update
sudo apt-get install --only-upgrade -y openimageio-tools=2.5.19.1+dfsg-2ubuntu0.1~esm1
```
Sign up at https://ubuntu.com/pro. Free for personal + small-team use.
python3-openimageio→2.5.19.1+dfsg-2ubuntu0.1~esm1apt_upgrade_esm
Fixed at 2.5.19.1+dfsg-2ubuntu0.1~esm1 — ESM-only. Enable Ubuntu Pro (free for 5 personal machines) or treat as watch item.
```
sudo pro attach <token>
sudo apt-get update
sudo apt-get install --only-upgrade -y python3-openimageio=2.5.19.1+dfsg-2ubuntu0.1~esm1
```
Sign up at https://ubuntu.com/pro. Free for personal + small-team use.

Ubuntu xenial

openimageio→1.6.11~dfsg0-1ubuntu1+esm2apt_upgrade
Standard apt upgrade. Install 1.6.11~dfsg0-1ubuntu1+esm2 from the apt repo.
```
sudo apt-get update
sudo apt-get install --only-upgrade -y openimageio
```
Most apt upgrades restart their service automatically. needrestart lists anything else.
libopenimageio-dev→1.6.11~dfsg0-1ubuntu1+esm2apt_upgrade
Standard apt upgrade. Install 1.6.11~dfsg0-1ubuntu1+esm2 from the apt repo.
```
sudo apt-get update
sudo apt-get install --only-upgrade -y libopenimageio-dev
```
Most apt upgrades restart their service automatically. needrestart lists anything else.
libopenimageio-doc→1.6.11~dfsg0-1ubuntu1+esm2apt_upgrade
Standard apt upgrade. Install 1.6.11~dfsg0-1ubuntu1+esm2 from the apt repo.
```
sudo apt-get update
sudo apt-get install --only-upgrade -y libopenimageio-doc
```
Most apt upgrades restart their service automatically. needrestart lists anything else.
libopenimageio1.6→1.6.11~dfsg0-1ubuntu1+esm2apt_upgrade
Standard apt upgrade. Install 1.6.11~dfsg0-1ubuntu1+esm2 from the apt repo.
```
sudo apt-get update
sudo apt-get install --only-upgrade -y libopenimageio1.6
```
Most apt upgrades restart their service automatically. needrestart lists anything else.
openimageio-tools→1.6.11~dfsg0-1ubuntu1+esm2apt_upgrade
Standard apt upgrade. Install 1.6.11~dfsg0-1ubuntu1+esm2 from the apt repo.
```
sudo apt-get update
sudo apt-get install --only-upgrade -y openimageio-tools
```
Most apt upgrades restart their service automatically. needrestart lists anything else.
python-openimageio→1.6.11~dfsg0-1ubuntu1+esm2apt_upgrade
Standard apt upgrade. Install 1.6.11~dfsg0-1ubuntu1+esm2 from the apt repo.
```
sudo apt-get update
sudo apt-get install --only-upgrade -y python-openimageio
```
Most apt upgrades restart their service automatically. needrestart lists anything else.

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