Debian Trixie Updates OpenEXR to Fix Image-Processing Vulnerabilities
Quick Answer
Update Debian trixie OpenEXR packages to 3.2.12-1~deb13u1 through the supported security repository. Restart dependent processes as needed, test image-processing workflows, and retain package and validation evidence.
Confirm Scope And Apply The Supported Remediation
What to do now: Record Debian release, OpenEXR package versions, dependent services and applications, and any path accepting untrusted image files. Confirm trixie and the installed source/binary package relationship. Do not extend this DSA’s fixed package to other Debian suites. Apply the supported Debian security update for openexr and its installed library packages. Ensure long-running dependent processes load the updated libraries. Verify installed packages and loaded libraries; test representative safe EXR images, render or conversion jobs, and dependent applications after maintenance.
Last verified: 2026-11-11 UTC. Recheck the authoritative advisory and supported distribution channel before changing production.
Scope And Authority
| Product scope | OpenEXR source and library packages on Debian 13 trixie |
|---|---|
| Advisory | DSA-6618-1 |
| CVEs | CVE-2026-27622, CVE-2026-34379, CVE-2026-34380, CVE-2026-34543, CVE-2026-34544, CVE-2026-34588, CVE-2026-34589, CVE-2026-40244, CVE-2026-40250, CVE-2026-41142, CVE-2026-42216, CVE-2026-42217, CVE-2026-54920, CVE-2026-55059, CVE-2026-55373, CVE-2026-59183, CVE-2026-59184, CVE-2026-59186, CVE-2026-59189, CVE-2026-59981, CVE-2026-59982, CVE-2026-59983, CVE-2026-59984, CVE-2026-59985, CVE-2026-61555, CVE-2026-68515 |
| Authoritative release date | November 11, 2026 at 05:47:07 UTC, from the Debian security announcement. |
| Authority revision date | Initial DSA-6618-1 release; no separate revision is stated. |
| Affected versions | Debian trixie OpenEXR packages before the fixed security update. The Debian tracker explicitly marks source version 3.1.13-2 vulnerable and 3.2.12-1~deb13u1 fixed. This DSA does not define remediation for other Debian releases. |
| Fixed version | openexr 3.2.12-1~deb13u1 for Debian trixie |
| CVSS base score | Not provided by the authority |
| CVSS severity | Not provided by the authority |
| Exploitation status | Debian does not state malicious exploitation in this advisory.; no exploitation claim is inferred. |
What Changed
Debian fixes 26 OpenEXR issues that can cause denial of service or out-of-bounds memory reads and writes when processing malformed high-dynamic-range images. The update moves to the OpenEXR 3.2 series while retaining the existing trixie library ABI.
What To Validate Now
- Inventory. Record Debian release, OpenEXR package versions, dependent services and applications, and any path accepting untrusted image files.
- Establish applicability. Confirm trixie and the installed source/binary package relationship. Do not extend this DSA’s fixed package to other Debian suites.
- Remediate. Apply the supported Debian security update for openexr and its installed library packages. Ensure long-running dependent processes load the updated libraries.
- Validate. Verify installed packages and loaded libraries; test representative safe EXR images, render or conversion jobs, and dependent applications after maintenance.
- Retain evidence. Preserve asset and owner identifiers, the applicability decision, before-and-after versions, change approval, installation output, validation results, and any exception or rollback record.
Operational Cautions
The upstream-series change warrants application testing even though Debian states ABI compatibility is preserved. Retain failing-file and process-crash evidence safely; do not use production systems to reproduce malformed-input attacks.
Evidence To Retain
- Exact product, release stream, package or application version, enabled feature, environment, and accountable owner.
- UTC timestamps, authority revision, approved change record, installer or package-manager output, and resulting version.
- Relevant logs and monitoring evidence, test results, exceptions, compensating controls, and rollback decisions.
Related TechGeeks Resources
Authoritative References
Correction policy: If the authority changes affected versions, fixed versions, severity, exploitation information, mitigations, or required action, TechGeeks will update this notice and its verification date.

