Out-of-bounds read in oiio - CVE-2026-63635
Published: August 2, 2026
Vulnerability identifier: #VU140739
CSH Severity: Medium
CVSS v4 BT: 4 [CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]
CVE-ID: CVE-2026-63635
CWE-ID: CWE-125
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to cause a denial of service.
The vulnerability exists due to out-of-bounds read in PSDInput::setup() when parsing a crafted PSD file through the RawColor input path. A remote attacker can trick the victim into opening a crafted file to cause a denial of service.
Only applications that enable raw PSD color output with oiio:RawColor=1 or psd:RawData=1 are vulnerable.
Affected software
oiio
How to mitigate CVE-2026-63635
Install security update from vendor's website.
oiio - update to 3.1.16.0