Python Library OpenEXR 3.4.x < 3.4.7 Heap Buffer Overflow (OOB Read)

Version 1.2

Apr 6, 2026, 7:45 AM

CVSS metrics ("Cvssv4 score" set to 8.4)
CVSS metrics ("Cvssv4 threat vector" set to "CVSS:4.0/E:U")
CVSS metrics ("Cvssv4 vector" set to "CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N")
CVSS temporal metrics ("CVSSv2 temporal vector" set to "CVSS2#E:U/RL:OF/RC:C")
CVSS temporal metrics ("CVSSv3 temporal vector" set to "CVSS:3.0/E:U/RL:O/RC:C")
Exploit attributes ("Exploit available" set to "False")
Exploit attributes ("Exploitability ease" set to "No known exploits are available")