Fedora 42 mingw-openexr Significant Buffer Overflow DoS CVE-2026-26981
fedora
March 17, 2026
Update to openexr-3.4.6 resp 3.3.8.
Summary
MinGW Windows openexr library.
Update Information:
Update to openexr-3.4.6 resp 3.3.8.
Topics Covered
Change Log
* Sun Mar 8 2026 Sandro Mani
References
[ 1 ] Bug #2442257 - CVE-2026-26981 mingw-openexr: OpenEXR: Denial of Service via heap-buffer-overflow when parsing a malformed EXR file [fedora-all]
https://bugzilla.redhat.com/show_bug.cgi?id=2442257
[ 2 ] Bug #2444289 - CVE-2026-27622 mingw-openexr: OpenEXR: Arbitrary code execution via integer overflow in EXR file processing [fedora-all]
https://bugzilla.redhat.com/show_bug.cgi?id=2444289
Update Instructions
This update can be installed with the "dnf" update program. Use su -c 'dnf upgrade --advisory FEDORA-2026-45845d11c3' at the command line. For more information, refer to the dnf documentation available at http://dnf.readthedocs.io/en/latest/command_ref.html#upgrade-command-label
PREVIOUS
NEXT
Severity
important
Lowest
Low
Medium
High
Critical
Name: mingw-openexr
Product: Fedora 42
Version: 3.3.8
Release: 1.fc42
Summary: MinGW Windows openexr library
Topics Covered
Get the latest News and Insights
Get the latest Linux and open source security news straight to your inbox.
Related News
Powered By
Linux Security - Your source for Top Linux News, Advisories, HOWTOs and Feature Releases
QUICK LINKS
subscribe to newsletters!
Like staying secure? So do we.
Sign up for updates, tips, and alerts!