SB2026040887 - Fedora 44 update for usd
Published: April 8, 2026
Security Bulletin ID
SB2026040887
Severity
High
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Code execution
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Out-of-bounds write (CVE-ID: CVE-2026-34544)
The vulnerability allows a remote attacker to cause a denial of service and corrupt memory.
The vulnerability exists due to out-of-bounds write in uncompress_b44_impl() in internal_b44.c when decoding a crafted B44 or B44A EXR file via exr_decoding_run(). A remote attacker can supply a specially crafted EXR file to cause a denial of service and corrupt memory.
User interaction is required to open or decode the crafted file.
Remediation
Install update from vendor's website.