Ubuntu 22.04 LTS / 24.04 LTS / 25.10 libpng の脆弱性USN-8039-1

バージョン 1.2

Feb 17, 2026, 12:54 AM

CVSS metrics ("CVSSv2 score" set to 7.6)
CVSS metrics ("CVSSv2 vector" set to "CVSS2#AV:N/AC:H/Au:N/C:C/I:C/A:C")
CVSS metrics ("CVSSv3 score" set to 8.1)
CVSS metrics ("CVSSv3 vector" set to "CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H")
CVSS metrics ("Cvssv4 threat vector" set to "CVSS:4.0/E:P")
CVSS temporal metrics ("CVSSv2 temporal vector" set to "CVSS2#E:POC/RL:OF/RC:C")
CVSS temporal metrics ("CVSSv3 temporal vector" set to "CVSS:3.0/E:P/RL:O/RC:C")
CVSSv2 severity (based on CVE-2026-25646, severity increased from "Medium" to "High")
CVSSv3 severity (based on None, severity increased from "Medium" to "High")
Exploit attributes ("Exploit available" set to "True")
Exploit attributes ("Exploitability ease" changed from "No known exploits are available" to "Exploits are available")