Ubuntu 26.04 LTS : libheif vulnerabilities (USN-8526-1)

medium Nessus Plugin ID 326250

Version 1.4

Jul 30, 2026, 11:45 AM

  • 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")
  • Exploit attributes ("Exploit available" set to "True")
  • Exploit attributes ("Exploitability ease" changed from "No known exploits are available" to "Exploits are available")

Plugin Feed: 202607301145

Version 1.3

Jul 23, 2026, 8:43 AM

  • CVSS metrics ("CVSSv3 score" set to 7.1)
  • CVSS metrics ("CVSSv3 vector" set to "CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:H")
  • CVSSv3 score source (changed from "CVE-2026-47254" to none)
  • CVSSv3 severity (based on None, severity increased from "Medium" to "High")

Plugin Feed: 202607230843

Version 1.2

Jul 22, 2026, 11:38 AM

  • CVSS metrics ("Cvssv4 score" set to 6.9)
  • 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:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N")
  • CVSSv4 severity (based on CVE-2026-47709, severity decreased from "High" to "Medium")

Plugin Feed: 202607221138

Version 1.1

Jul 10, 2026, 4:01 PM

  • New

Plugin Feed: 202607101601

* Changelogs are generally available for changes made after Nov 1, 2022